diff --git a/SOURCES/openssh-6.7p1-coverity.patch b/SOURCES/openssh-6.7p1-coverity.patch index e372f09..f12f40e 100644 --- a/SOURCES/openssh-6.7p1-coverity.patch +++ b/SOURCES/openssh-6.7p1-coverity.patch @@ -74,33 +74,6 @@ diff -up openssh-7.4p1/channels.c.coverity openssh-7.4p1/channels.c close(c->sock); c->sock = c->rfd = c->wfd = sock; channel_find_maxfd(ssh->chanctxt); -@@ -3804,7 +3804,7 @@ int - channel_request_remote_forwarding(struct ssh *ssh, struct Forward *fwd) - { - int r, success = 0, idx = -1; -- char *host_to_connect, *listen_host, *listen_path; -+ char *host_to_connect = NULL, *listen_host = NULL, *listen_path = NULL; - int port_to_connect, listen_port; - - /* Send the forward request to the remote side. */ -@@ -3832,7 +3832,6 @@ channel_request_remote_forwarding(struct - success = 1; - if (success) { - /* Record that connection to this host/port is permitted. */ -- host_to_connect = listen_host = listen_path = NULL; - port_to_connect = listen_port = 0; - if (fwd->connect_path != NULL) { - host_to_connect = xstrdup(fwd->connect_path); -@@ -3853,6 +3852,9 @@ channel_request_remote_forwarding(struct - host_to_connect, port_to_connect, - listen_host, listen_path, listen_port, NULL); - } -+ free(host_to_connect); -+ free(listen_host); -+ free(listen_path); - return idx; - } - diff -up openssh-8.5p1/dns.c.coverity openssh-8.5p1/dns.c --- openssh-8.5p1/dns.c.coverity 2021-03-02 11:31:47.000000000 +0100 +++ openssh-8.5p1/dns.c 2021-03-24 12:03:33.783968166 +0100 diff --git a/SOURCES/openssh-8.7p1-UTC-time-parse.patch b/SOURCES/openssh-8.7p1-UTC-time-parse.patch new file mode 100644 index 0000000..1fd953d --- /dev/null +++ b/SOURCES/openssh-8.7p1-UTC-time-parse.patch @@ -0,0 +1,323 @@ +diff --git a/misc.c b/misc.c +index a8e87430..f2135803 100644 +--- a/misc.c ++++ b/misc.c +@@ -2399,15 +2399,26 @@ parse_absolute_time(const char *s, uint64_t *tp) + struct tm tm; + time_t tt; + char buf[32], *fmt; ++ const char *cp; ++ size_t l; ++ int is_utc = 0; + + *tp = 0; + ++ l = strlen(s); ++ if (l > 1 && strcasecmp(s + l - 1, "Z") == 0) { ++ is_utc = 1; ++ l--; ++ } else if (l > 3 && strcasecmp(s + l - 3, "UTC") == 0) { ++ is_utc = 1; ++ l -= 3; ++ } + /* + * POSIX strptime says "The application shall ensure that there + * is white-space or other non-alphanumeric characters between + * any two conversion specifications" so arrange things this way. + */ +- switch (strlen(s)) { ++ switch (l) { + case 8: /* YYYYMMDD */ + fmt = "%Y-%m-%d"; + snprintf(buf, sizeof(buf), "%.4s-%.2s-%.2s", s, s + 4, s + 6); +@@ -2427,10 +2438,15 @@ parse_absolute_time(const char *s, uint64_t *tp) + } + + memset(&tm, 0, sizeof(tm)); +- if (strptime(buf, fmt, &tm) == NULL) +- return SSH_ERR_INVALID_FORMAT; +- if ((tt = mktime(&tm)) < 0) ++ if ((cp = strptime(buf, fmt, &tm)) == NULL || *cp != '\0') + return SSH_ERR_INVALID_FORMAT; ++ if (is_utc) { ++ if ((tt = timegm(&tm)) < 0) ++ return SSH_ERR_INVALID_FORMAT; ++ } else { ++ if ((tt = mktime(&tm)) < 0) ++ return SSH_ERR_INVALID_FORMAT; ++ } + /* success */ + *tp = (uint64_t)tt; + return 0; +diff --git a/regress/unittests/misc/test_convtime.c b/regress/unittests/misc/test_convtime.c +index ef6fd77d..4794dbd9 100644 +--- a/regress/unittests/misc/test_convtime.c ++++ b/regress/unittests/misc/test_convtime.c +@@ -20,6 +20,7 @@ + + #include "log.h" + #include "misc.h" ++#include "ssherr.h" + + void test_convtime(void); + +@@ -27,6 +28,7 @@ void + test_convtime(void) + { + char buf[1024]; ++ uint64_t t; + + TEST_START("misc_convtime"); + ASSERT_INT_EQ(convtime("0"), 0); +@@ -56,4 +58,64 @@ test_convtime(void) + ASSERT_INT_EQ(convtime("3550w5d3h14m8s"), -1); + #endif + TEST_DONE(); ++ ++ /* XXX timezones/DST make verification of this tricky */ ++ /* XXX maybe setenv TZ and tzset() to make it unambiguous? */ ++ TEST_START("misc_parse_absolute_time"); ++ ASSERT_INT_EQ(parse_absolute_time("20000101", &t), 0); ++ ASSERT_INT_EQ(parse_absolute_time("200001011223", &t), 0); ++ ASSERT_INT_EQ(parse_absolute_time("20000101122345", &t), 0); ++ ++ /* forced UTC TZ */ ++ ASSERT_INT_EQ(parse_absolute_time("20000101Z", &t), 0); ++ ASSERT_U64_EQ(t, 946684800); ++ ASSERT_INT_EQ(parse_absolute_time("200001011223Z", &t), 0); ++ ASSERT_U64_EQ(t, 946729380); ++ ASSERT_INT_EQ(parse_absolute_time("20000101122345Z", &t), 0); ++ ASSERT_U64_EQ(t, 946729425); ++ ASSERT_INT_EQ(parse_absolute_time("20000101UTC", &t), 0); ++ ASSERT_U64_EQ(t, 946684800); ++ ASSERT_INT_EQ(parse_absolute_time("200001011223UTC", &t), 0); ++ ASSERT_U64_EQ(t, 946729380); ++ ASSERT_INT_EQ(parse_absolute_time("20000101122345UTC", &t), 0); ++ ASSERT_U64_EQ(t, 946729425); ++ ++ /* Bad month */ ++ ASSERT_INT_EQ(parse_absolute_time("20001301", &t), ++ SSH_ERR_INVALID_FORMAT); ++ ASSERT_INT_EQ(parse_absolute_time("20000001", &t), ++ SSH_ERR_INVALID_FORMAT); ++ /* Incomplete */ ++ ASSERT_INT_EQ(parse_absolute_time("2", &t), ++ SSH_ERR_INVALID_FORMAT); ++ ASSERT_INT_EQ(parse_absolute_time("2000", &t), ++ SSH_ERR_INVALID_FORMAT); ++ ASSERT_INT_EQ(parse_absolute_time("20000", &t), ++ SSH_ERR_INVALID_FORMAT); ++ ASSERT_INT_EQ(parse_absolute_time("200001", &t), ++ SSH_ERR_INVALID_FORMAT); ++ ASSERT_INT_EQ(parse_absolute_time("2000010", &t), ++ SSH_ERR_INVALID_FORMAT); ++ ASSERT_INT_EQ(parse_absolute_time("200001010", &t), ++ SSH_ERR_INVALID_FORMAT); ++ /* Bad day, hour, minute, second */ ++ ASSERT_INT_EQ(parse_absolute_time("20000199", &t), ++ SSH_ERR_INVALID_FORMAT); ++ ASSERT_INT_EQ(parse_absolute_time("200001019900", &t), ++ SSH_ERR_INVALID_FORMAT); ++ ASSERT_INT_EQ(parse_absolute_time("200001010099", &t), ++ SSH_ERR_INVALID_FORMAT); ++ ASSERT_INT_EQ(parse_absolute_time("20000101000099", &t), ++ SSH_ERR_INVALID_FORMAT); ++ /* Invalid TZ specifier */ ++ ASSERT_INT_EQ(parse_absolute_time("20000101ZZ", &t), ++ SSH_ERR_INVALID_FORMAT); ++ ASSERT_INT_EQ(parse_absolute_time("20000101PDT", &t), ++ SSH_ERR_INVALID_FORMAT); ++ ASSERT_INT_EQ(parse_absolute_time("20000101U", &t), ++ SSH_ERR_INVALID_FORMAT); ++ ASSERT_INT_EQ(parse_absolute_time("20000101UTCUTC", &t), ++ SSH_ERR_INVALID_FORMAT); ++ ++ TEST_DONE(); + } +diff --git a/ssh-keygen.1 b/ssh-keygen.1 +index 5f429813..6aeab1cb 100644 +--- a/ssh-keygen.1 ++++ b/ssh-keygen.1 +@@ -511,8 +511,11 @@ Print the full public key to standard output after signature verification. + .It Cm verify-time Ns = Ns Ar timestamp + Specifies a time to use when validating signatures instead of the current + time. +-The time may be specified as a date in YYYYMMDD format or a time +-in YYYYMMDDHHMM[SS] format. ++The time may be specified as a date or time in the YYYYMMDD[Z] or ++in YYYYMMDDHHMM[SS][Z] formats. ++Dates and times will be interpreted in the current system time zone unless ++suffixed with a Z character, which causes them to be interpreted in the ++UTC time zone. + .El + .Pp + The +@@ -603,31 +606,67 @@ A validity interval may consist of a single time, indicating that the + certificate is valid beginning now and expiring at that time, or may consist + of two times separated by a colon to indicate an explicit time interval. + .Pp +-The start time may be specified as the string ++The start time may be specified as: ++.Bl -bullet -compact ++.It ++The string + .Dq always +-to indicate the certificate has no specified start time, +-a date in YYYYMMDD format, a time in YYYYMMDDHHMM[SS] format, +-a relative time (to the current time) consisting of a minus sign followed by +-an interval in the format described in the ++to indicate the certificate has no specified start time. ++.It ++A date or time in the system time zone formatted as YYYYMMDD or ++YYYYMMDDHHMM[SS]. ++.It ++A date or time in the UTC time zone as YYYYMMDDZ or YYYYMMDDHHMM[SS]Z. ++.It ++A relative time before the current system time consisting of a minus sign ++followed by an interval in the format described in the + TIME FORMATS section of + .Xr sshd_config 5 . ++.It ++A raw seconds since epoch (Jan 1 1970 00:00:00 UTC) as a hexadecimal ++number beginning with ++.Dq 0x . ++.El + .Pp +-The end time may be specified as a YYYYMMDD date, a YYYYMMDDHHMM[SS] time, +-a relative time starting with a plus character or the string ++The end time may be specified similarly to the start time: ++.Bl -bullet -compact ++.It ++The string + .Dq forever +-to indicate that the certificate has no expiry date. ++to indicate the certificate has no specified end time. ++.It ++A date or time in the system time zone formatted as YYYYMMDD or ++YYYYMMDDHHMM[SS]. ++.It ++A date or time in the UTC time zone as YYYYMMDDZ or YYYYMMDDHHMM[SS]Z. ++.It ++A relative time after the current system time consisting of a plus sign ++followed by an interval in the format described in the ++TIME FORMATS section of ++.Xr sshd_config 5 . ++.It ++A raw seconds since epoch (Jan 1 1970 00:00:00 UTC) as a hexadecimal ++number beginning with ++.Dq 0x . ++.El + .Pp + For example: +-.Dq +52w1d +-(valid from now to 52 weeks and one day from now), +-.Dq -4w:+4w +-(valid from four weeks ago to four weeks from now), +-.Dq 20100101123000:20110101123000 +-(valid from 12:30 PM, January 1st, 2010 to 12:30 PM, January 1st, 2011), +-.Dq -1d:20110101 +-(valid from yesterday to midnight, January 1st, 2011), +-.Dq -1m:forever +-(valid from one minute ago and never expiring). ++.Bl -tag -width Ds ++.It +52w1d ++Valid from now to 52 weeks and one day from now. ++.It -4w:+4w ++Valid from four weeks ago to four weeks from now. ++.It 20100101123000:20110101123000 ++Valid from 12:30 PM, January 1st, 2010 to 12:30 PM, January 1st, 2011. ++.It 20100101123000Z:20110101123000Z ++Similar, but interpreted in the UTC time zone rather than the system time zone. ++.It -1d:20110101 ++Valid from yesterday to midnight, January 1st, 2011. ++.It 0x1:0x2000000000 ++Valid from roughly early 1970 to May 2033. ++.It -1m:forever ++Valid from one minute ago and never expiring. ++.El + .It Fl v + Verbose mode. + Causes +@@ -1206,7 +1245,10 @@ signature object and presented on the verification command-line must + match the specified list before the key will be considered acceptable. + .It Cm valid-after Ns = Ns "timestamp" + Indicates that the key is valid for use at or after the specified timestamp, +-which may be a date in YYYYMMDD format or a time in YYYYMMDDHHMM[SS] format. ++which may be a date or time in the YYYYMMDD[Z] or YYYYMMDDHHMM[SS][Z] formats. ++Dates and times will be interpreted in the current system time zone unless ++suffixed with a Z character, which causes them to be interpreted in the UTC ++time zone. + .It Cm valid-before Ns = Ns "timestamp" + Indicates that the key is valid for use at or before the specified timestamp. + .El +diff --git a/ssh-keygen.c b/ssh-keygen.c +index 20b321cc..9b2beda0 100644 +--- a/ssh-keygen.c ++++ b/ssh-keygen.c +@@ -1916,6 +1916,21 @@ parse_relative_time(const char *s, time_t now) + return now + (u_int64_t)(secs * mul); + } + ++static void ++parse_hex_u64(const char *s, uint64_t *up) ++{ ++ char *ep; ++ unsigned long long ull; ++ ++ errno = 0; ++ ull = strtoull(s, &ep, 16); ++ if (*s == '\0' || *ep != '\0') ++ fatal("Invalid certificate time: not a number"); ++ if (errno == ERANGE && ull == ULONG_MAX) ++ fatal_fr(SSH_ERR_SYSTEM_ERROR, "Invalid certificate time"); ++ *up = (uint64_t)ull; ++} ++ + static void + parse_cert_times(char *timespec) + { +@@ -1938,8 +1953,8 @@ parse_cert_times(char *timespec) + + /* + * from:to, where +- * from := [+-]timespec | YYYYMMDD | YYYYMMDDHHMMSS | "always" +- * to := [+-]timespec | YYYYMMDD | YYYYMMDDHHMMSS | "forever" ++ * from := [+-]timespec | YYYYMMDD | YYYYMMDDHHMMSS | 0x... | "always" ++ * to := [+-]timespec | YYYYMMDD | YYYYMMDDHHMMSS | 0x... | "forever" + */ + from = xstrdup(timespec); + to = strchr(from, ':'); +@@ -1951,6 +1966,8 @@ parse_cert_times(char *timespec) + cert_valid_from = parse_relative_time(from, now); + else if (strcmp(from, "always") == 0) + cert_valid_from = 0; ++ else if (strncmp(from, "0x", 2) == 0) ++ parse_hex_u64(from, &cert_valid_from); + else if (parse_absolute_time(from, &cert_valid_from) != 0) + fatal("Invalid from time \"%s\"", from); + +@@ -1958,6 +1975,8 @@ parse_cert_times(char *timespec) + cert_valid_to = parse_relative_time(to, now); + else if (strcmp(to, "forever") == 0) + cert_valid_to = ~(u_int64_t)0; ++ else if (strncmp(to, "0x", 2) == 0) ++ parse_hex_u64(to, &cert_valid_to); + else if (parse_absolute_time(to, &cert_valid_to) != 0) + fatal("Invalid to time \"%s\"", to); + +diff --git a/sshd.8 b/sshd.8 +index 2b50514e..8ccc5bc0 100644 +--- a/sshd.8 ++++ b/sshd.8 +@@ -533,8 +533,9 @@ controlled via the + option. + .It Cm expiry-time="timespec" + Specifies a time after which the key will not be accepted. +-The time may be specified as a YYYYMMDD date or a YYYYMMDDHHMM[SS] time +-in the system time-zone. ++The time may be specified as a YYYYMMDD[Z] date or a YYYYMMDDHHMM[SS][Z] time. ++Dates and times will be interpreted in the system time zone unless suffixed ++by a Z character, in which case they will be interpreted in the UTC time zone. + .It Cm from="pattern-list" + Specifies that in addition to public key authentication, either the canonical + name of the remote host or its IP address must be present in the diff --git a/SOURCES/openssh-8.7p1-evp-fips-compl-dh.patch b/SOURCES/openssh-8.7p1-evp-fips-compl-dh.patch new file mode 100644 index 0000000..ec04910 --- /dev/null +++ b/SOURCES/openssh-8.7p1-evp-fips-compl-dh.patch @@ -0,0 +1,292 @@ +diff --color -ru -x regress -x autom4te.cache -x '*.o' -x '*.lo' -x Makefile -x config.status -x configure~ -x configure.ac openssh-8.7p1/dh.c openssh-8.7p1-patched/dh.c +--- openssh-8.7p1/dh.c 2023-05-25 09:01:23.295627077 +0200 ++++ openssh-8.7p1-patched/dh.c 2023-05-25 09:00:56.519332820 +0200 +@@ -37,6 +37,9 @@ + #include + #include + #include ++#include ++#include ++#include + + #include "dh.h" + #include "pathnames.h" +@@ -290,10 +293,15 @@ + int + dh_gen_key(DH *dh, int need) + { +- int pbits; +- const BIGNUM *dh_p, *pub_key; ++ const BIGNUM *dh_p, *dh_g; ++ BIGNUM *pub_key = NULL, *priv_key = NULL; ++ EVP_PKEY *pkey = NULL; ++ EVP_PKEY_CTX *ctx = NULL; ++ OSSL_PARAM_BLD *param_bld = NULL; ++ OSSL_PARAM *params = NULL; ++ int pbits, r = 0; + +- DH_get0_pqg(dh, &dh_p, NULL, NULL); ++ DH_get0_pqg(dh, &dh_p, NULL, &dh_g); + + if (need < 0 || dh_p == NULL || + (pbits = BN_num_bits(dh_p)) <= 0 || +@@ -301,19 +309,85 @@ + return SSH_ERR_INVALID_ARGUMENT; + if (need < 256) + need = 256; ++ ++ if ((param_bld = OSSL_PARAM_BLD_new()) == NULL || ++ (ctx = EVP_PKEY_CTX_new_from_name(NULL, "DH", NULL)) == NULL) { ++ OSSL_PARAM_BLD_free(param_bld); ++ return SSH_ERR_ALLOC_FAIL; ++ } ++ ++ if (OSSL_PARAM_BLD_push_BN(param_bld, ++ OSSL_PKEY_PARAM_FFC_P, dh_p) != 1 || ++ OSSL_PARAM_BLD_push_BN(param_bld, ++ OSSL_PKEY_PARAM_FFC_G, dh_g) != 1) { ++ error_f("Could not set p,q,g parameters"); ++ r = SSH_ERR_LIBCRYPTO_ERROR; ++ goto out; ++ } + /* + * Pollard Rho, Big step/Little Step attacks are O(sqrt(n)), + * so double requested need here. + */ +- if (!DH_set_length(dh, MINIMUM(need * 2, pbits - 1))) +- return SSH_ERR_LIBCRYPTO_ERROR; +- +- if (DH_generate_key(dh) == 0) +- return SSH_ERR_LIBCRYPTO_ERROR; +- DH_get0_key(dh, &pub_key, NULL); +- if (!dh_pub_is_valid(dh, pub_key)) +- return SSH_ERR_INVALID_FORMAT; +- return 0; ++ if (OSSL_PARAM_BLD_push_int(param_bld, ++ OSSL_PKEY_PARAM_DH_PRIV_LEN, ++ MINIMUM(need * 2, pbits - 1)) != 1 || ++ (params = OSSL_PARAM_BLD_to_param(param_bld)) == NULL) { ++ r = SSH_ERR_LIBCRYPTO_ERROR; ++ goto out; ++ } ++ if (EVP_PKEY_fromdata_init(ctx) != 1) { ++ r = SSH_ERR_LIBCRYPTO_ERROR; ++ goto out; ++ } ++ if (EVP_PKEY_fromdata(ctx, &pkey, ++ EVP_PKEY_KEY_PARAMETERS, params) != 1) { ++ error_f("Failed key generation"); ++ r = SSH_ERR_LIBCRYPTO_ERROR; ++ goto out; ++ } ++ ++ /* reuse context for key generation */ ++ EVP_PKEY_CTX_free(ctx); ++ ctx = NULL; ++ ++ if ((ctx = EVP_PKEY_CTX_new_from_pkey(NULL, pkey, NULL)) == NULL || ++ EVP_PKEY_keygen_init(ctx) != 1) { ++ error_f("Could not create or init context"); ++ r = SSH_ERR_LIBCRYPTO_ERROR; ++ goto out; ++ } ++ if (EVP_PKEY_generate(ctx, &pkey) != 1) { ++ error_f("Could not generate keys"); ++ r = SSH_ERR_LIBCRYPTO_ERROR; ++ goto out; ++ } ++ if (EVP_PKEY_public_check(ctx) != 1) { ++ error_f("The public key is incorrect"); ++ r = SSH_ERR_LIBCRYPTO_ERROR; ++ goto out; ++ } ++ ++ if (EVP_PKEY_get_bn_param(pkey, OSSL_PKEY_PARAM_PUB_KEY, ++ &pub_key) != 1 || ++ EVP_PKEY_get_bn_param(pkey, OSSL_PKEY_PARAM_PRIV_KEY, ++ &priv_key) != 1 || ++ DH_set0_key(dh, pub_key, priv_key) != 1) { ++ error_f("Could not set pub/priv keys to DH struct"); ++ r = SSH_ERR_LIBCRYPTO_ERROR; ++ goto out; ++ } ++ ++ /* transferred */ ++ pub_key = NULL; ++ priv_key = NULL; ++out: ++ OSSL_PARAM_free(params); ++ OSSL_PARAM_BLD_free(param_bld); ++ EVP_PKEY_CTX_free(ctx); ++ EVP_PKEY_free(pkey); ++ BN_clear_free(pub_key); ++ BN_clear_free(priv_key); ++ return r; + } + + DH * +diff --color -ru -x regress -x autom4te.cache -x '*.o' -x '*.lo' -x Makefile -x config.status -x configure~ -x configure.ac openssh-8.7p1/kex.c openssh-8.7p1-patched/kex.c +--- openssh-8.7p1/kex.c 2023-05-25 09:01:23.299627122 +0200 ++++ openssh-8.7p1-patched/kex.c 2023-05-25 09:00:56.519332820 +0200 +@@ -1603,3 +1603,47 @@ + return r; + } + ++#ifdef WITH_OPENSSL ++/* ++ * Creates an EVP_PKEY from the given parameters and keys. ++ * The private key can be omitted. ++ */ ++int ++kex_create_evp_dh(EVP_PKEY **pkey, const BIGNUM *p, const BIGNUM *q, ++ const BIGNUM *g, const BIGNUM *pub, const BIGNUM *priv) ++{ ++ OSSL_PARAM_BLD *param_bld = NULL; ++ EVP_PKEY_CTX *ctx = NULL; ++ int r = 0; ++ ++ /* create EVP_PKEY-DH key */ ++ if ((ctx = EVP_PKEY_CTX_new_from_name(NULL, "DH", NULL)) == NULL || ++ (param_bld = OSSL_PARAM_BLD_new()) == NULL) { ++ error_f("EVP_PKEY_CTX or PARAM_BLD init failed"); ++ r = SSH_ERR_ALLOC_FAIL; ++ goto out; ++ } ++ if (OSSL_PARAM_BLD_push_BN(param_bld, OSSL_PKEY_PARAM_FFC_P, p) != 1 || ++ OSSL_PARAM_BLD_push_BN(param_bld, OSSL_PKEY_PARAM_FFC_Q, q) != 1 || ++ OSSL_PARAM_BLD_push_BN(param_bld, OSSL_PKEY_PARAM_FFC_G, g) != 1 || ++ OSSL_PARAM_BLD_push_BN(param_bld, ++ OSSL_PKEY_PARAM_PUB_KEY, pub) != 1) { ++ error_f("Failed pushing params to OSSL_PARAM_BLD"); ++ r = SSH_ERR_LIBCRYPTO_ERROR; ++ goto out; ++ } ++ if (priv != NULL && ++ OSSL_PARAM_BLD_push_BN(param_bld, ++ OSSL_PKEY_PARAM_PRIV_KEY, priv) != 1) { ++ error_f("Failed pushing private key to OSSL_PARAM_BLD"); ++ r = SSH_ERR_LIBCRYPTO_ERROR; ++ goto out; ++ } ++ if ((*pkey = sshkey_create_evp(param_bld, ctx)) == NULL) ++ r = SSH_ERR_LIBCRYPTO_ERROR; ++out: ++ OSSL_PARAM_BLD_free(param_bld); ++ EVP_PKEY_CTX_free(ctx); ++ return r; ++} ++#endif /* WITH_OPENSSL */ +diff --color -ru -x regress -x autom4te.cache -x '*.o' -x '*.lo' -x Makefile -x config.status -x configure~ -x configure.ac openssh-8.7p1/kexdh.c openssh-8.7p1-patched/kexdh.c +--- openssh-8.7p1/kexdh.c 2023-05-25 09:01:23.237626425 +0200 ++++ openssh-8.7p1-patched/kexdh.c 2023-05-25 09:03:21.817957988 +0200 +@@ -35,6 +35,10 @@ + + #include "openbsd-compat/openssl-compat.h" + #include ++#include ++#include ++#include ++#include + + #include "sshkey.h" + #include "kex.h" +@@ -83,9 +87,12 @@ + kex_dh_compute_key(struct kex *kex, BIGNUM *dh_pub, struct sshbuf *out) + { + BIGNUM *shared_secret = NULL; ++ const BIGNUM *pub, *priv, *p, *q, *g; ++ EVP_PKEY *pkey = NULL, *dh_pkey = NULL; ++ EVP_PKEY_CTX *ctx = NULL; + u_char *kbuf = NULL; + size_t klen = 0; +- int kout, r; ++ int kout, r = 0; + + #ifdef DEBUG_KEXDH + fprintf(stderr, "dh_pub= "); +@@ -100,24 +107,59 @@ + r = SSH_ERR_MESSAGE_INCOMPLETE; + goto out; + } +- klen = DH_size(kex->dh); ++ ++ DH_get0_key(kex->dh, &pub, &priv); ++ DH_get0_pqg(kex->dh, &p, &q, &g); ++ /* import key */ ++ r = kex_create_evp_dh(&pkey, p, q, g, pub, priv); ++ if (r != 0) { ++ error_f("Could not create EVP_PKEY for dh"); ++ ERR_print_errors_fp(stderr); ++ goto out; ++ } ++ /* import peer key ++ * the parameters should be the same as with pkey ++ */ ++ r = kex_create_evp_dh(&dh_pkey, p, q, g, dh_pub, NULL); ++ if (r != 0) { ++ error_f("Could not import peer key for dh"); ++ ERR_print_errors_fp(stderr); ++ goto out; ++ } ++ ++ if ((ctx = EVP_PKEY_CTX_new_from_pkey(NULL, pkey, NULL)) == NULL) { ++ error_f("Could not init EVP_PKEY_CTX for dh"); ++ r = SSH_ERR_ALLOC_FAIL; ++ goto out; ++ } ++ if (EVP_PKEY_derive_init(ctx) != 1 || ++ EVP_PKEY_derive_set_peer(ctx, dh_pkey) != 1 || ++ EVP_PKEY_derive(ctx, NULL, &klen) != 1) { ++ error_f("Could not get key size"); ++ r = SSH_ERR_LIBCRYPTO_ERROR; ++ goto out; ++ } + if ((kbuf = malloc(klen)) == NULL || + (shared_secret = BN_new()) == NULL) { + r = SSH_ERR_ALLOC_FAIL; + goto out; + } +- if ((kout = DH_compute_key(kbuf, dh_pub, kex->dh)) < 0 || +- BN_bin2bn(kbuf, kout, shared_secret) == NULL) { ++ if (EVP_PKEY_derive(ctx, kbuf, &klen) != 1 || ++ BN_bin2bn(kbuf, klen, shared_secret) == NULL) { ++ error_f("Could not derive key"); + r = SSH_ERR_LIBCRYPTO_ERROR; + goto out; + } + #ifdef DEBUG_KEXDH +- dump_digest("shared secret", kbuf, kout); ++ dump_digest("shared secret", kbuf, klen); + #endif + r = sshbuf_put_bignum2(out, shared_secret); + out: + freezero(kbuf, klen); + BN_clear_free(shared_secret); ++ EVP_PKEY_free(pkey); ++ EVP_PKEY_free(dh_pkey); ++ EVP_PKEY_CTX_free(ctx); + return r; + } + +diff --color -ru -x regress -x autom4te.cache -x '*.o' -x '*.lo' -x Makefile -x config.status -x configure~ -x configure.ac openssh-8.7p1/kex.h openssh-8.7p1-patched/kex.h +--- openssh-8.7p1/kex.h 2023-05-25 09:01:23.299627122 +0200 ++++ openssh-8.7p1-patched/kex.h 2023-05-25 09:00:56.519332820 +0200 +@@ -33,6 +33,9 @@ + # include + # include + # include ++# include ++# include ++# include + # ifdef OPENSSL_HAS_ECC + # include + # else /* OPENSSL_HAS_ECC */ +@@ -278,6 +281,8 @@ + const u_char pub[CURVE25519_SIZE], struct sshbuf *out, int) + __attribute__((__bounded__(__minbytes__, 1, CURVE25519_SIZE))) + __attribute__((__bounded__(__minbytes__, 2, CURVE25519_SIZE))); ++int kex_create_evp_dh(EVP_PKEY **, const BIGNUM *, const BIGNUM *, ++ const BIGNUM *, const BIGNUM *, const BIGNUM *); + + #if defined(DEBUG_KEX) || defined(DEBUG_KEXDH) || defined(DEBUG_KEXECDH) + void dump_digest(const char *, const u_char *, int); diff --git a/SOURCES/openssh-8.7p1-evp-fips-compl-ecdh.patch b/SOURCES/openssh-8.7p1-evp-fips-compl-ecdh.patch new file mode 100644 index 0000000..0313c6f --- /dev/null +++ b/SOURCES/openssh-8.7p1-evp-fips-compl-ecdh.patch @@ -0,0 +1,207 @@ +diff --color -ru -x regress -x autom4te.cache -x '*.o' -x '*.lo' -x Makefile -x config.status -x configure~ -x configure.ac ../openssh-8.7p1/kexecdh.c ./kexecdh.c +--- ../openssh-8.7p1/kexecdh.c 2021-08-20 06:03:49.000000000 +0200 ++++ ./kexecdh.c 2023-04-13 14:30:14.882449593 +0200 +@@ -35,17 +35,57 @@ + #include + + #include ++#include ++#include ++#include ++#include + + #include "sshkey.h" + #include "kex.h" + #include "sshbuf.h" + #include "digest.h" + #include "ssherr.h" ++#include "log.h" + + static int + kex_ecdh_dec_key_group(struct kex *, const struct sshbuf *, EC_KEY *key, + const EC_GROUP *, struct sshbuf **); + ++static EC_KEY * ++generate_ec_keys(int ec_nid) ++{ ++ EC_KEY *client_key = NULL; ++ EVP_PKEY *pkey = NULL; ++ EVP_PKEY_CTX *ctx = NULL; ++ OSSL_PARAM_BLD *param_bld = NULL; ++ OSSL_PARAM *params = NULL; ++ const char *group_name; ++ ++ if ((ctx = EVP_PKEY_CTX_new_from_name(NULL, "EC", NULL)) == NULL || ++ (param_bld = OSSL_PARAM_BLD_new()) == NULL) ++ goto out; ++ if ((group_name = OSSL_EC_curve_nid2name(ec_nid)) == NULL || ++ OSSL_PARAM_BLD_push_utf8_string(param_bld, ++ OSSL_PKEY_PARAM_GROUP_NAME, group_name, 0) != 1 || ++ (params = OSSL_PARAM_BLD_to_param(param_bld)) == NULL) { ++ error_f("Could not create OSSL_PARAM"); ++ goto out; ++ } ++ if (EVP_PKEY_keygen_init(ctx) != 1 || ++ EVP_PKEY_CTX_set_params(ctx, params) != 1 || ++ EVP_PKEY_generate(ctx, &pkey) != 1 || ++ (client_key = EVP_PKEY_get1_EC_KEY(pkey)) == NULL) { ++ error_f("Could not generate ec keys"); ++ goto out; ++ } ++out: ++ EVP_PKEY_free(pkey); ++ EVP_PKEY_CTX_free(ctx); ++ OSSL_PARAM_BLD_free(param_bld); ++ OSSL_PARAM_free(params); ++ return client_key; ++} ++ + int + kex_ecdh_keypair(struct kex *kex) + { +@@ -55,11 +95,7 @@ + struct sshbuf *buf = NULL; + int r; + +- if ((client_key = EC_KEY_new_by_curve_name(kex->ec_nid)) == NULL) { +- r = SSH_ERR_ALLOC_FAIL; +- goto out; +- } +- if (EC_KEY_generate_key(client_key) != 1) { ++ if ((client_key = generate_ec_keys(kex->ec_nid)) == NULL) { + r = SSH_ERR_LIBCRYPTO_ERROR; + goto out; + } +@@ -101,11 +137,7 @@ + *server_blobp = NULL; + *shared_secretp = NULL; + +- if ((server_key = EC_KEY_new_by_curve_name(kex->ec_nid)) == NULL) { +- r = SSH_ERR_ALLOC_FAIL; +- goto out; +- } +- if (EC_KEY_generate_key(server_key) != 1) { ++ if ((server_key = generate_ec_keys(kex->ec_nid)) == NULL) { + r = SSH_ERR_LIBCRYPTO_ERROR; + goto out; + } +@@ -140,11 +172,21 @@ + { + struct sshbuf *buf = NULL; + BIGNUM *shared_secret = NULL; +- EC_POINT *dh_pub = NULL; +- u_char *kbuf = NULL; +- size_t klen = 0; ++ EVP_PKEY_CTX *ctx = NULL; ++ EVP_PKEY *pkey = NULL, *dh_pkey = NULL; ++ OSSL_PARAM_BLD *param_bld = NULL; ++ OSSL_PARAM *params = NULL; ++ u_char *kbuf = NULL, *pub = NULL; ++ size_t klen = 0, publen; ++ const char *group_name; + int r; + ++ /* import EC_KEY to EVP_PKEY */ ++ if ((r = ssh_create_evp_ec(key, kex->ec_nid, &pkey)) != 0) { ++ error_f("Could not create EVP_PKEY"); ++ goto out; ++ } ++ + *shared_secretp = NULL; + + if ((buf = sshbuf_new()) == NULL) { +@@ -153,45 +195,82 @@ + } + if ((r = sshbuf_put_stringb(buf, ec_blob)) != 0) + goto out; +- if ((dh_pub = EC_POINT_new(group)) == NULL) { ++ ++ /* the public key is in the buffer in octet string UNCOMPRESSED ++ * format. See sshbuf_put_ec */ ++ if ((r = sshbuf_get_string(buf, &pub, &publen)) != 0) ++ goto out; ++ sshbuf_reset(buf); ++ if ((ctx = EVP_PKEY_CTX_new_from_pkey(NULL, pkey, NULL)) == NULL || ++ (param_bld = OSSL_PARAM_BLD_new()) == NULL) { + r = SSH_ERR_ALLOC_FAIL; + goto out; + } +- if ((r = sshbuf_get_ec(buf, dh_pub, group)) != 0) { ++ if ((group_name = OSSL_EC_curve_nid2name(kex->ec_nid)) == NULL) { ++ r = SSH_ERR_LIBCRYPTO_ERROR; ++ goto out; ++ } ++ if (OSSL_PARAM_BLD_push_octet_string(param_bld, ++ OSSL_PKEY_PARAM_PUB_KEY, pub, publen) != 1 || ++ OSSL_PARAM_BLD_push_utf8_string(param_bld, ++ OSSL_PKEY_PARAM_GROUP_NAME, group_name, 0) != 1 || ++ (params = OSSL_PARAM_BLD_to_param(param_bld)) == NULL) { ++ error_f("Failed to set params for dh_pkey"); ++ r = SSH_ERR_LIBCRYPTO_ERROR; ++ goto out; ++ } ++ if (EVP_PKEY_fromdata_init(ctx) != 1 || ++ EVP_PKEY_fromdata(ctx, &dh_pkey, ++ EVP_PKEY_PUBLIC_KEY, params) != 1 || ++ EVP_PKEY_public_check(ctx) != 1) { ++ error_f("Peer public key import failed"); ++ r = SSH_ERR_LIBCRYPTO_ERROR; + goto out; + } +- sshbuf_reset(buf); + + #ifdef DEBUG_KEXECDH + fputs("public key:\n", stderr); +- sshkey_dump_ec_point(group, dh_pub); ++ EVP_PKEY_print_public_fp(stderr, dh_pkey, 0, NULL); + #endif +- if (sshkey_ec_validate_public(group, dh_pub) != 0) { +- r = SSH_ERR_MESSAGE_INCOMPLETE; ++ EVP_PKEY_CTX_free(ctx); ++ ctx = NULL; ++ if ((ctx = EVP_PKEY_CTX_new_from_pkey(NULL, pkey, NULL)) == NULL || ++ EVP_PKEY_derive_init(ctx) != 1 || ++ EVP_PKEY_derive_set_peer(ctx, dh_pkey) != 1 || ++ EVP_PKEY_derive(ctx, NULL, &klen) != 1) { ++ error_f("Failed to get derive information"); ++ r = SSH_ERR_LIBCRYPTO_ERROR; + goto out; + } +- klen = (EC_GROUP_get_degree(group) + 7) / 8; +- if ((kbuf = malloc(klen)) == NULL || +- (shared_secret = BN_new()) == NULL) { ++ if ((kbuf = malloc(klen)) == NULL) { + r = SSH_ERR_ALLOC_FAIL; + goto out; + } +- if (ECDH_compute_key(kbuf, klen, dh_pub, key, NULL) != (int)klen || +- BN_bin2bn(kbuf, klen, shared_secret) == NULL) { ++ if (EVP_PKEY_derive(ctx, kbuf, &klen) != 1) { + r = SSH_ERR_LIBCRYPTO_ERROR; + goto out; + } + #ifdef DEBUG_KEXECDH + dump_digest("shared secret", kbuf, klen); + #endif ++ if ((shared_secret = BN_new()) == NULL || ++ (BN_bin2bn(kbuf, klen, shared_secret) == NULL)) { ++ r = SSH_ERR_ALLOC_FAIL; ++ goto out; ++ } + if ((r = sshbuf_put_bignum2(buf, shared_secret)) != 0) + goto out; + *shared_secretp = buf; + buf = NULL; + out: +- EC_POINT_clear_free(dh_pub); ++ EVP_PKEY_CTX_free(ctx); ++ EVP_PKEY_free(pkey); ++ EVP_PKEY_free(dh_pkey); ++ OSSL_PARAM_BLD_free(param_bld); ++ OSSL_PARAM_free(params); + BN_clear_free(shared_secret); + freezero(kbuf, klen); ++ freezero(pub, publen); + sshbuf_free(buf); + return r; + } diff --git a/SOURCES/openssh-8.7p1-evp-fips-compl-sign.patch b/SOURCES/openssh-8.7p1-evp-fips-compl-sign.patch new file mode 100644 index 0000000..fc71678 --- /dev/null +++ b/SOURCES/openssh-8.7p1-evp-fips-compl-sign.patch @@ -0,0 +1,468 @@ +diff --color -ru -x regress -x autom4te.cache -x '*.o' -x '*.lo' -x Makefile -x config.status -x configure~ -x configure.ac ../../openssh-8.7p1/ssh-dss.c ./ssh-dss.c +--- ../../openssh-8.7p1/ssh-dss.c 2023-03-08 15:35:14.669943335 +0100 ++++ ./ssh-dss.c 2023-03-08 15:34:33.508578129 +0100 +@@ -32,6 +32,8 @@ + #include + #include + #include ++#include ++#include + + #include + #include +@@ -72,9 +74,8 @@ + sshkey_type_plain(key->type) != KEY_DSA) + return SSH_ERR_INVALID_ARGUMENT; + +- if ((pkey = EVP_PKEY_new()) == NULL || +- EVP_PKEY_set1_DSA(pkey, key->dsa) != 1) +- return SSH_ERR_ALLOC_FAIL; ++ if ((ret = ssh_create_evp_dss(key, &pkey)) != 0) ++ return ret; + ret = sshkey_calculate_signature(pkey, SSH_DIGEST_SHA1, &sigb, &len, + data, datalen); + EVP_PKEY_free(pkey); +@@ -201,11 +202,8 @@ + goto out; + } + +- if ((pkey = EVP_PKEY_new()) == NULL || +- EVP_PKEY_set1_DSA(pkey, key->dsa) != 1) { +- ret = SSH_ERR_ALLOC_FAIL; ++ if ((ret = ssh_create_evp_dss(key, &pkey)) != 0) + goto out; +- } + ret = sshkey_verify_signature(pkey, SSH_DIGEST_SHA1, data, datalen, + sigb, slen); + EVP_PKEY_free(pkey); +@@ -221,4 +219,63 @@ + freezero(sigblob, len); + return ret; + } ++ ++int ++ssh_create_evp_dss(const struct sshkey *k, EVP_PKEY **pkey) ++{ ++ OSSL_PARAM_BLD *param_bld = NULL; ++ EVP_PKEY_CTX *ctx = NULL; ++ const BIGNUM *p = NULL, *q = NULL, *g = NULL, *pub = NULL, *priv = NULL; ++ int ret = 0; ++ ++ if (k == NULL) ++ return SSH_ERR_INVALID_ARGUMENT; ++ if ((ctx = EVP_PKEY_CTX_new_from_name(NULL, "DSA", NULL)) == NULL || ++ (param_bld = OSSL_PARAM_BLD_new()) == NULL) { ++ ret = SSH_ERR_ALLOC_FAIL; ++ goto out; ++ } ++ ++ DSA_get0_pqg(k->dsa, &p, &q, &g); ++ DSA_get0_key(k->dsa, &pub, &priv); ++ ++ if (p != NULL && ++ OSSL_PARAM_BLD_push_BN(param_bld, OSSL_PKEY_PARAM_FFC_P, p) != 1) { ++ ret = SSH_ERR_LIBCRYPTO_ERROR; ++ goto out; ++ } ++ if (q != NULL && ++ OSSL_PARAM_BLD_push_BN(param_bld, OSSL_PKEY_PARAM_FFC_Q, q) != 1) { ++ ret = SSH_ERR_LIBCRYPTO_ERROR; ++ goto out; ++ } ++ if (g != NULL && ++ OSSL_PARAM_BLD_push_BN(param_bld, OSSL_PKEY_PARAM_FFC_G, g) != 1) { ++ ret = SSH_ERR_LIBCRYPTO_ERROR; ++ goto out; ++ } ++ if (pub != NULL && ++ OSSL_PARAM_BLD_push_BN(param_bld, ++ OSSL_PKEY_PARAM_PUB_KEY, ++ pub) != 1) { ++ ret = SSH_ERR_LIBCRYPTO_ERROR; ++ goto out; ++ } ++ if (priv != NULL && ++ OSSL_PARAM_BLD_push_BN(param_bld, ++ OSSL_PKEY_PARAM_PRIV_KEY, ++ priv) != 1) { ++ ret = SSH_ERR_LIBCRYPTO_ERROR; ++ goto out; ++ } ++ if ((*pkey = sshkey_create_evp(param_bld, ctx)) == NULL) { ++ ret = SSH_ERR_LIBCRYPTO_ERROR; ++ goto out; ++ } ++ ++out: ++ OSSL_PARAM_BLD_free(param_bld); ++ EVP_PKEY_CTX_free(ctx); ++ return ret; ++} + #endif /* WITH_OPENSSL */ +diff --color -ru -x regress -x autom4te.cache -x '*.o' -x '*.lo' -x Makefile -x config.status -x configure~ -x configure.ac ../../openssh-8.7p1/ssh-ecdsa.c ./ssh-ecdsa.c +--- ../../openssh-8.7p1/ssh-ecdsa.c 2023-03-08 15:35:14.669943335 +0100 ++++ ./ssh-ecdsa.c 2023-03-08 15:40:52.628201267 +0100 +@@ -34,6 +34,8 @@ + #include + #include + #include ++#include ++#include + + #include + +@@ -72,9 +74,8 @@ + if ((hash_alg = sshkey_ec_nid_to_hash_alg(key->ecdsa_nid)) == -1) + return SSH_ERR_INTERNAL_ERROR; + +- if ((pkey = EVP_PKEY_new()) == NULL || +- EVP_PKEY_set1_EC_KEY(pkey, key->ecdsa) != 1) +- return SSH_ERR_ALLOC_FAIL; ++ if ((ret = ssh_create_evp_ec(key->ecdsa, key->ecdsa_nid, &pkey)) != 0) ++ return ret; + ret = sshkey_calculate_signature(pkey, hash_alg, &sigb, &len, data, + datalen); + EVP_PKEY_free(pkey); +@@ -193,11 +194,8 @@ + goto out; + } + +- if ((pkey = EVP_PKEY_new()) == NULL || +- EVP_PKEY_set1_EC_KEY(pkey, key->ecdsa) != 1) { +- ret = SSH_ERR_ALLOC_FAIL; ++ if (ssh_create_evp_ec(key->ecdsa, key->ecdsa_nid, &pkey) != 0) + goto out; +- } + ret = sshkey_verify_signature(pkey, hash_alg, data, datalen, sigb, len); + EVP_PKEY_free(pkey); + +@@ -212,4 +210,76 @@ + return ret; + } + ++int ++ssh_create_evp_ec(EC_KEY *k, int ecdsa_nid, EVP_PKEY **pkey) ++{ ++ OSSL_PARAM_BLD *param_bld = NULL; ++ EVP_PKEY_CTX *ctx = NULL; ++ BN_CTX *bn_ctx = NULL; ++ uint8_t *pub_ser = NULL; ++ const char *group_name; ++ const EC_POINT *pub = NULL; ++ const BIGNUM *priv = NULL; ++ int ret = 0; ++ ++ if (k == NULL) ++ return SSH_ERR_INVALID_ARGUMENT; ++ if ((ctx = EVP_PKEY_CTX_new_from_name(NULL, "EC", NULL)) == NULL || ++ (param_bld = OSSL_PARAM_BLD_new()) == NULL || ++ (bn_ctx = BN_CTX_new()) == NULL) { ++ ret = SSH_ERR_ALLOC_FAIL; ++ goto out; ++ } ++ ++ if ((group_name = OSSL_EC_curve_nid2name(ecdsa_nid)) == NULL || ++ OSSL_PARAM_BLD_push_utf8_string(param_bld, ++ OSSL_PKEY_PARAM_GROUP_NAME, ++ group_name, ++ strlen(group_name)) != 1) { ++ ret = SSH_ERR_LIBCRYPTO_ERROR; ++ goto out; ++ } ++ if ((pub = EC_KEY_get0_public_key(k)) != NULL) { ++ const EC_GROUP *group; ++ size_t len; ++ ++ group = EC_KEY_get0_group(k); ++ len = EC_POINT_point2oct(group, pub, ++ POINT_CONVERSION_UNCOMPRESSED, NULL, 0, NULL); ++ if ((pub_ser = malloc(len)) == NULL) { ++ ret = SSH_ERR_ALLOC_FAIL; ++ goto out; ++ } ++ EC_POINT_point2oct(group, ++ pub, ++ POINT_CONVERSION_UNCOMPRESSED, ++ pub_ser, ++ len, ++ bn_ctx); ++ if (OSSL_PARAM_BLD_push_octet_string(param_bld, ++ OSSL_PKEY_PARAM_PUB_KEY, ++ pub_ser, ++ len) != 1) { ++ ret = SSH_ERR_LIBCRYPTO_ERROR; ++ goto out; ++ } ++ } ++ if ((priv = EC_KEY_get0_private_key(k)) != NULL && ++ OSSL_PARAM_BLD_push_BN(param_bld, ++ OSSL_PKEY_PARAM_PRIV_KEY, priv) != 1) { ++ ret = SSH_ERR_LIBCRYPTO_ERROR; ++ goto out; ++ } ++ if ((*pkey = sshkey_create_evp(param_bld, ctx)) == NULL) { ++ ret = SSH_ERR_LIBCRYPTO_ERROR; ++ goto out; ++ } ++ ++out: ++ OSSL_PARAM_BLD_free(param_bld); ++ EVP_PKEY_CTX_free(ctx); ++ BN_CTX_free(bn_ctx); ++ free(pub_ser); ++ return ret; ++} + #endif /* WITH_OPENSSL && OPENSSL_HAS_ECC */ +diff --color -ru -x regress -x autom4te.cache -x '*.o' -x '*.lo' -x Makefile -x config.status -x configure~ -x configure.ac ../../openssh-8.7p1/sshkey.c ./sshkey.c +--- ../../openssh-8.7p1/sshkey.c 2023-03-08 15:35:14.702943628 +0100 ++++ ./sshkey.c 2023-03-08 15:39:03.354082015 +0100 +@@ -35,6 +35,8 @@ + #include + #include + #include ++#include ++#include + #endif + + #include "crypto_api.h" +@@ -492,13 +494,14 @@ + { + EVP_MD_CTX *ctx = NULL; + u_char *sig = NULL; +- int ret, slen, len; ++ int ret, slen; ++ size_t len; + + if (sigp == NULL || lenp == NULL) { + return SSH_ERR_INVALID_ARGUMENT; + } + +- slen = EVP_PKEY_size(pkey); ++ slen = EVP_PKEY_get_size(pkey); + if (slen <= 0 || slen > SSHBUF_MAX_BIGNUM) + return SSH_ERR_INVALID_ARGUMENT; + +@@ -511,9 +514,10 @@ + ret = SSH_ERR_ALLOC_FAIL; + goto error; + } +- if (EVP_SignInit_ex(ctx, ssh_digest_to_md(hash_alg), NULL) <= 0 || +- EVP_SignUpdate(ctx, data, datalen) <= 0 || +- EVP_SignFinal(ctx, sig, &len, pkey) <= 0) { ++ if (EVP_DigestSignInit(ctx, NULL, ssh_digest_to_md(hash_alg), ++ NULL, pkey) != 1 || ++ EVP_DigestSignUpdate(ctx, data, datalen) != 1 || ++ EVP_DigestSignFinal(ctx, sig, &len) != 1) { + ret = SSH_ERR_LIBCRYPTO_ERROR; + goto error; + } +@@ -540,12 +544,13 @@ + if ((ctx = EVP_MD_CTX_new()) == NULL) { + return SSH_ERR_ALLOC_FAIL; + } +- if (EVP_VerifyInit_ex(ctx, ssh_digest_to_md(hash_alg), NULL) <= 0 || +- EVP_VerifyUpdate(ctx, data, datalen) <= 0) { ++ if (EVP_DigestVerifyInit(ctx, NULL, ssh_digest_to_md(hash_alg), ++ NULL, pkey) != 1 || ++ EVP_DigestVerifyUpdate(ctx, data, datalen) != 1) { + ret = SSH_ERR_LIBCRYPTO_ERROR; + goto done; + } +- ret = EVP_VerifyFinal(ctx, sigbuf, siglen, pkey); ++ ret = EVP_DigestVerifyFinal(ctx, sigbuf, siglen); + switch (ret) { + case 1: + ret = 0; +@@ -5038,3 +5043,27 @@ + return 0; + } + #endif /* WITH_XMSS */ ++ ++#ifdef WITH_OPENSSL ++EVP_PKEY * ++sshkey_create_evp(OSSL_PARAM_BLD *param_bld, EVP_PKEY_CTX *ctx) ++{ ++ EVP_PKEY *ret = NULL; ++ OSSL_PARAM *params = NULL; ++ if (param_bld == NULL || ctx == NULL) { ++ debug2_f("param_bld or ctx is NULL"); ++ return NULL; ++ } ++ if ((params = OSSL_PARAM_BLD_to_param(param_bld)) == NULL) { ++ debug2_f("Could not build param list"); ++ return NULL; ++ } ++ if (EVP_PKEY_fromdata_init(ctx) != 1 || ++ EVP_PKEY_fromdata(ctx, &ret, EVP_PKEY_KEYPAIR, params) != 1) { ++ debug2_f("EVP_PKEY_fromdata failed"); ++ OSSL_PARAM_free(params); ++ return NULL; ++ } ++ return ret; ++} ++#endif /* WITH_OPENSSL */ +diff --color -ru -x regress -x autom4te.cache -x '*.o' -x '*.lo' -x Makefile -x config.status -x configure~ -x configure.ac ../../openssh-8.7p1/sshkey.h ./sshkey.h +--- ../../openssh-8.7p1/sshkey.h 2023-03-08 15:35:14.702943628 +0100 ++++ ./sshkey.h 2023-03-08 15:34:33.509578138 +0100 +@@ -31,6 +31,9 @@ + #ifdef WITH_OPENSSL + #include + #include ++#include ++#include ++#include + # ifdef OPENSSL_HAS_ECC + # include + # include +@@ -293,6 +295,13 @@ + + void sshkey_sig_details_free(struct sshkey_sig_details *); + ++#ifdef WITH_OPENSSL ++EVP_PKEY *sshkey_create_evp(OSSL_PARAM_BLD *, EVP_PKEY_CTX *); ++int ssh_create_evp_dss(const struct sshkey *, EVP_PKEY **); ++int ssh_create_evp_rsa(const struct sshkey *, EVP_PKEY **); ++int ssh_create_evp_ec(EC_KEY *, int, EVP_PKEY **); ++#endif /* WITH_OPENSSL */ ++ + #ifdef SSHKEY_INTERNAL + int ssh_rsa_sign(const struct sshkey *key, + u_char **sigp, size_t *lenp, const u_char *data, size_t datalen, +diff --color -ru -x regress -x autom4te.cache -x '*.o' -x '*.lo' -x Makefile -x config.status -x configure~ -x configure.ac ../../openssh-8.7p1/ssh-rsa.c ./ssh-rsa.c +--- ../../openssh-8.7p1/ssh-rsa.c 2023-03-08 15:35:14.669943335 +0100 ++++ ./ssh-rsa.c 2023-03-08 15:34:33.509578138 +0100 +@@ -23,6 +23,8 @@ + + #include + #include ++#include ++#include + + #include + #include +@@ -172,9 +174,8 @@ + if (RSA_bits(key->rsa) < SSH_RSA_MINIMUM_MODULUS_SIZE) + return SSH_ERR_KEY_LENGTH; + +- if ((pkey = EVP_PKEY_new()) == NULL || +- EVP_PKEY_set1_RSA(pkey, key->rsa) != 1) +- return SSH_ERR_ALLOC_FAIL; ++ if ((ret = ssh_create_evp_rsa(key, &pkey)) != 0) ++ return ret; + ret = sshkey_calculate_signature(pkey, hash_alg, &sig, &len, data, + datalen); + EVP_PKEY_free(pkey); +@@ -285,11 +286,8 @@ + len = modlen; + } + +- if ((pkey = EVP_PKEY_new()) == NULL || +- EVP_PKEY_set1_RSA(pkey, key->rsa) != 1) { +- ret = SSH_ERR_ALLOC_FAIL; ++ if ((ret = ssh_create_evp_rsa(key, &pkey)) != 0) + goto out; +- } + ret = openssh_RSA_verify(hash_alg, data, datalen, sigblob, len, pkey); + EVP_PKEY_free(pkey); + +@@ -306,11 +304,9 @@ + u_char *sigbuf, size_t siglen, EVP_PKEY *pkey) + { + size_t rsasize = 0; +- const RSA *rsa; + int ret; + +- rsa = EVP_PKEY_get0_RSA(pkey); +- rsasize = RSA_size(rsa); ++ rsasize = EVP_PKEY_get_size(pkey); + if (rsasize <= 0 || rsasize > SSHBUF_MAX_BIGNUM || + siglen == 0 || siglen > rsasize) { + ret = SSH_ERR_INVALID_ARGUMENT; +@@ -323,4 +319,87 @@ + done: + return ret; + } ++ ++int ++ssh_create_evp_rsa(const struct sshkey *k, EVP_PKEY **pkey) ++{ ++ OSSL_PARAM_BLD *param_bld = NULL; ++ EVP_PKEY_CTX *ctx = NULL; ++ int ret = 0; ++ const BIGNUM *n = NULL, *e = NULL, *d = NULL, *p = NULL, *q = NULL; ++ const BIGNUM *dmp1 = NULL, *dmq1 = NULL, *iqmp = NULL; ++ ++ if (k == NULL) ++ return SSH_ERR_INVALID_ARGUMENT; ++ if ((ctx = EVP_PKEY_CTX_new_from_name(NULL, "RSA", NULL)) == NULL || ++ (param_bld = OSSL_PARAM_BLD_new()) == NULL) { ++ ret = SSH_ERR_ALLOC_FAIL; ++ goto out; ++ } ++ ++ RSA_get0_key(k->rsa, &n, &e, &d); ++ RSA_get0_factors(k->rsa, &p, &q); ++ RSA_get0_crt_params(k->rsa, &dmp1, &dmq1, &iqmp); ++ ++ if (n != NULL && ++ OSSL_PARAM_BLD_push_BN(param_bld, OSSL_PKEY_PARAM_RSA_N, n) != 1) { ++ ret = SSH_ERR_LIBCRYPTO_ERROR; ++ goto out; ++ } ++ if (e != NULL && ++ OSSL_PARAM_BLD_push_BN(param_bld, OSSL_PKEY_PARAM_RSA_E, e) != 1) { ++ ret = SSH_ERR_LIBCRYPTO_ERROR; ++ goto out; ++ } ++ if (d != NULL && ++ OSSL_PARAM_BLD_push_BN(param_bld, OSSL_PKEY_PARAM_RSA_D, d) != 1) { ++ ret = SSH_ERR_LIBCRYPTO_ERROR; ++ goto out; ++ } ++ ++ if ((*pkey = sshkey_create_evp(param_bld, ctx)) == NULL) { ++ ret = SSH_ERR_LIBCRYPTO_ERROR; ++ goto out; ++ } ++ ++ /* setting this to param_build makes the creation process fail */ ++ if (p != NULL && ++ EVP_PKEY_set_bn_param(*pkey, OSSL_PKEY_PARAM_RSA_FACTOR1, p) != 1) { ++ debug2_f("failed to add 'p' param"); ++ ret = SSH_ERR_LIBCRYPTO_ERROR; ++ goto out; ++ } ++ if (q != NULL && ++ EVP_PKEY_set_bn_param(*pkey, OSSL_PKEY_PARAM_RSA_FACTOR2, q) != 1) { ++ debug2_f("failed to add 'q' param"); ++ ret = SSH_ERR_LIBCRYPTO_ERROR; ++ goto out; ++ } ++ if (dmp1 != NULL && ++ EVP_PKEY_set_bn_param(*pkey, ++ OSSL_PKEY_PARAM_RSA_EXPONENT1, dmp1) != 1) { ++ debug2_f("failed to add 'dmp1' param"); ++ ret = SSH_ERR_LIBCRYPTO_ERROR; ++ goto out; ++ } ++ if (dmq1 != NULL && ++ EVP_PKEY_set_bn_param(*pkey, ++ OSSL_PKEY_PARAM_RSA_EXPONENT2, dmq1) != 1) { ++ debug2_f("failed to add 'dmq1' param"); ++ ret = SSH_ERR_LIBCRYPTO_ERROR; ++ goto out; ++ } ++ if (iqmp != NULL && ++ EVP_PKEY_set_bn_param(*pkey, ++ OSSL_PKEY_PARAM_RSA_COEFFICIENT1, iqmp) != 1) { ++ debug2_f("failed to add 'iqmp' param"); ++ ret = SSH_ERR_LIBCRYPTO_ERROR; ++ goto out; ++ } ++ ++out: ++ OSSL_PARAM_BLD_free(param_bld); ++ EVP_PKEY_CTX_free(ctx); ++ return ret; ++} + #endif /* WITH_OPENSSL */ diff --git a/SOURCES/openssh-8.7p1-evp-pkcs11.patch b/SOURCES/openssh-8.7p1-evp-pkcs11.patch new file mode 100644 index 0000000..44e0b8f --- /dev/null +++ b/SOURCES/openssh-8.7p1-evp-pkcs11.patch @@ -0,0 +1,131 @@ +diff --color -ru -x regress -x autom4te.cache -x '*.o' -x '*.lo' -x Makefile -x config.status -x configure~ -x configure.ac openssh-8.7p1/ssh-ecdsa.c openssh-8.7p1-patched/ssh-ecdsa.c +--- openssh-8.7p1/ssh-ecdsa.c 2023-05-24 09:39:45.002631174 +0200 ++++ openssh-8.7p1-patched/ssh-ecdsa.c 2023-05-24 09:09:34.400853951 +0200 +@@ -74,8 +74,18 @@ + if ((hash_alg = sshkey_ec_nid_to_hash_alg(key->ecdsa_nid)) == -1) + return SSH_ERR_INTERNAL_ERROR; + +- if ((ret = ssh_create_evp_ec(key->ecdsa, key->ecdsa_nid, &pkey)) != 0) +- return ret; ++#ifdef ENABLE_PKCS11 ++ if (is_ecdsa_pkcs11(key->ecdsa)) { ++ if ((pkey = EVP_PKEY_new()) == NULL || ++ EVP_PKEY_set1_EC_KEY(pkey, key->ecdsa) != 1) ++ return SSH_ERR_ALLOC_FAIL; ++ } else { ++#endif ++ if ((ret = ssh_create_evp_ec(key->ecdsa, key->ecdsa_nid, &pkey)) != 0) ++ return ret; ++#ifdef ENABLE_PKCS11 ++ } ++#endif + ret = sshkey_calculate_signature(pkey, hash_alg, &sigb, &len, data, + datalen); + EVP_PKEY_free(pkey); +diff --color -ru -x regress -x autom4te.cache -x '*.o' -x '*.lo' -x Makefile -x config.status -x configure~ -x configure.ac openssh-8.7p1/ssh-pkcs11.c openssh-8.7p1-patched/ssh-pkcs11.c +--- openssh-8.7p1/ssh-pkcs11.c 2023-05-24 09:39:44.950630607 +0200 ++++ openssh-8.7p1-patched/ssh-pkcs11.c 2023-05-24 09:33:59.153866357 +0200 +@@ -775,8 +775,24 @@ + + return (0); + } ++ ++int ++is_ecdsa_pkcs11(EC_KEY *ecdsa) ++{ ++ if (EC_KEY_get_ex_data(ecdsa, ec_key_idx) != NULL) ++ return 1; ++ return 0; ++} + #endif /* HAVE_EC_KEY_METHOD_NEW */ + ++int ++is_rsa_pkcs11(RSA *rsa) ++{ ++ if (RSA_get_ex_data(rsa, rsa_idx) != NULL) ++ return 1; ++ return 0; ++} ++ + /* remove trailing spaces */ + static void + rmspace(u_char *buf, size_t len) +diff --color -ru -x regress -x autom4te.cache -x '*.o' -x '*.lo' -x Makefile -x config.status -x configure~ -x configure.ac openssh-8.7p1/ssh-pkcs11-client.c openssh-8.7p1-patched/ssh-pkcs11-client.c +--- openssh-8.7p1/ssh-pkcs11-client.c 2023-05-24 09:39:44.950630607 +0200 ++++ openssh-8.7p1-patched/ssh-pkcs11-client.c 2023-05-24 09:31:16.139092673 +0200 +@@ -225,8 +225,36 @@ + static RSA_METHOD *helper_rsa; + #ifdef HAVE_EC_KEY_METHOD_NEW + static EC_KEY_METHOD *helper_ecdsa; ++ ++int ++is_ecdsa_pkcs11(EC_KEY *ecdsa) ++{ ++ const EC_KEY_METHOD *meth; ++ ECDSA_SIG *(*sign_sig)(const unsigned char *dgst, int dgstlen, ++ const BIGNUM *kinv, const BIGNUM *rp, EC_KEY *eckey) = NULL; ++ ++ meth = EC_KEY_get_method(ecdsa); ++ EC_KEY_METHOD_get_sign(meth, NULL, NULL, &sign_sig); ++ if (sign_sig == ecdsa_do_sign) ++ return 1; ++ return 0; ++} + #endif /* HAVE_EC_KEY_METHOD_NEW */ + ++int ++is_rsa_pkcs11(RSA *rsa) ++{ ++ const RSA_METHOD *meth; ++ int (*priv_enc)(int flen, const unsigned char *from, ++ unsigned char *to, RSA *rsa, int padding) = NULL; ++ ++ meth = RSA_get_method(rsa); ++ priv_enc = RSA_meth_get_priv_enc(meth); ++ if (priv_enc == rsa_encrypt) ++ return 1; ++ return 0; ++} ++ + /* redirect private key crypto operations to the ssh-pkcs11-helper */ + static void + wrap_key(struct sshkey *k) +diff --color -ru -x regress -x autom4te.cache -x '*.o' -x '*.lo' -x Makefile -x config.status -x configure~ -x configure.ac openssh-8.7p1/ssh-pkcs11.h openssh-8.7p1-patched/ssh-pkcs11.h +--- openssh-8.7p1/ssh-pkcs11.h 2023-05-24 09:39:44.950630607 +0200 ++++ openssh-8.7p1-patched/ssh-pkcs11.h 2023-05-24 09:36:49.055714975 +0200 +@@ -39,6 +39,11 @@ + u_int32_t *); + #endif + ++#ifdef HAVE_EC_KEY_METHOD_NEW ++int is_ecdsa_pkcs11(EC_KEY *ecdsa); ++#endif ++int is_rsa_pkcs11(RSA *rsa); ++ + #if !defined(WITH_OPENSSL) && defined(ENABLE_PKCS11) + #undef ENABLE_PKCS11 + #endif +diff --color -ru -x regress -x autom4te.cache -x '*.o' -x '*.lo' -x Makefile -x config.status -x configure~ -x configure.ac openssh-8.7p1/ssh-rsa.c openssh-8.7p1-patched/ssh-rsa.c +--- openssh-8.7p1/ssh-rsa.c 2023-05-24 09:39:45.003631184 +0200 ++++ openssh-8.7p1-patched/ssh-rsa.c 2023-05-24 09:31:37.019319860 +0200 +@@ -174,8 +174,18 @@ + if (RSA_bits(key->rsa) < SSH_RSA_MINIMUM_MODULUS_SIZE) + return SSH_ERR_KEY_LENGTH; + +- if ((ret = ssh_create_evp_rsa(key, &pkey)) != 0) +- return ret; ++#ifdef ENABLE_PKCS11 ++ if (is_rsa_pkcs11(key->rsa)) { ++ if ((pkey = EVP_PKEY_new()) == NULL || ++ EVP_PKEY_set1_RSA(pkey, key->rsa) != 1) ++ return SSH_ERR_ALLOC_FAIL; ++ } else { ++#endif ++ if ((ret = ssh_create_evp_rsa(key, &pkey)) != 0) ++ return ret; ++#ifdef ENABLE_PKCS11 ++ } ++#endif + ret = sshkey_calculate_signature(pkey, hash_alg, &sig, &len, data, + datalen); + EVP_PKEY_free(pkey); diff --git a/SOURCES/openssh-8.7p1-man-hostkeyalgos.patch b/SOURCES/openssh-8.7p1-man-hostkeyalgos.patch new file mode 100644 index 0000000..92c53b1 --- /dev/null +++ b/SOURCES/openssh-8.7p1-man-hostkeyalgos.patch @@ -0,0 +1,31 @@ +diff --color -ru -x regress -x autom4te.cache -x '*.o' -x '*.lo' -x Makefile -x config.status -x configure~ -x configure.ac openssh-8.7p1/ssh_config.5 openssh-8.7p1-patched/ssh_config.5 +--- openssh-8.7p1/ssh_config.5 2023-06-02 09:14:40.279373577 +0200 ++++ openssh-8.7p1-patched/ssh_config.5 2023-05-30 16:01:04.533848172 +0200 +@@ -989,6 +989,17 @@ + .Pp + The list of available signature algorithms may also be obtained using + .Qq ssh -Q HostKeyAlgorithms . ++.Pp ++The proposed ++.Cm HostKeyAlgorithms ++during KEX are limited to the set of algorithms that is defined in ++.Cm PubkeyAcceptedAlgorithms ++and therefore they are indirectly affected by system-wide ++.Xr crypto_policies 7 . ++.Xr crypto_policies 7 can not handle the list of host key algorithms directly as doing so ++would break the order given by the ++.Pa known_hosts ++file. + .It Cm HostKeyAlias + Specifies an alias that should be used instead of the + real host name when looking up or saving the host key +@@ -1564,6 +1575,9 @@ + .Pp + The list of available signature algorithms may also be obtained using + .Qq ssh -Q PubkeyAcceptedAlgorithms . ++.Pp ++This option affects also ++.Cm HostKeyAlgorithms + .It Cm PubkeyAuthentication + Specifies whether to try public key authentication. + The argument to this keyword must be diff --git a/SOURCES/openssh-8.7p1-nohostsha1proof.patch b/SOURCES/openssh-8.7p1-nohostsha1proof.patch index a5323e4..5c54e78 100644 --- a/SOURCES/openssh-8.7p1-nohostsha1proof.patch +++ b/SOURCES/openssh-8.7p1-nohostsha1proof.patch @@ -43,6 +43,255 @@ diff -up openssh-8.7p1/compat.h.sshrsacheck openssh-8.7p1/compat.h #define SSH_OLD_SESSIONID 0x00000010 /* #define unused 0x00000020 */ #define SSH_BUG_DEBUG 0x00000040 +diff -up openssh-8.7p1/monitor.c.sshrsacheck openssh-8.7p1/monitor.c +--- openssh-8.7p1/monitor.c.sshrsacheck 2023-01-20 13:07:54.279676981 +0100 ++++ openssh-8.7p1/monitor.c 2023-01-20 15:01:07.007821379 +0100 +@@ -660,11 +660,12 @@ mm_answer_sign(struct ssh *ssh, int sock + struct sshkey *key; + struct sshbuf *sigbuf = NULL; + u_char *p = NULL, *signature = NULL; +- char *alg = NULL; ++ char *alg = NULL, *effective_alg; + size_t datlen, siglen, alglen; + int r, is_proof = 0; + u_int keyid, compat; + const char proof_req[] = "hostkeys-prove-00@openssh.com"; ++ const char safe_rsa[] = "rsa-sha2-256"; + + debug3_f("entering"); + +@@ -719,18 +720,30 @@ mm_answer_sign(struct ssh *ssh, int sock + } + + if ((key = get_hostkey_by_index(keyid)) != NULL) { +- if ((r = sshkey_sign(key, &signature, &siglen, p, datlen, alg, ++ if (ssh->compat & SSH_RH_RSASIGSHA && strcmp(alg, "ssh-rsa") == 0 ++ && (sshkey_type_plain(key->type) == KEY_RSA)) { ++ effective_alg = safe_rsa; ++ } else { ++ effective_alg = alg; ++ } ++ if ((r = sshkey_sign(key, &signature, &siglen, p, datlen, effective_alg, + options.sk_provider, NULL, compat)) != 0) + fatal_fr(r, "sign"); + } else if ((key = get_hostkey_public_by_index(keyid, ssh)) != NULL && + auth_sock > 0) { ++ if (ssh->compat & SSH_RH_RSASIGSHA && strcmp(alg, "ssh-rsa") == 0 ++ && (sshkey_type_plain(key->type) == KEY_RSA)) { ++ effective_alg = safe_rsa; ++ } else { ++ effective_alg = alg; ++ } + if ((r = ssh_agent_sign(auth_sock, key, &signature, &siglen, +- p, datlen, alg, compat)) != 0) ++ p, datlen, effective_alg, compat)) != 0) + fatal_fr(r, "agent sign"); + } else + fatal_f("no hostkey from index %d", keyid); + +- debug3_f("%s %s signature len=%zu", alg, ++ debug3_f("%s (effective: %s) %s signature len=%zu", alg, effective_alg, + is_proof ? "hostkey proof" : "KEX", siglen); + + sshbuf_reset(m); +diff -up openssh-8.7p1/regress/cert-userkey.sh.sshrsacheck openssh-8.7p1/regress/cert-userkey.sh +--- openssh-8.7p1/regress/cert-userkey.sh.sshrsacheck 2023-01-25 14:26:52.885963113 +0100 ++++ openssh-8.7p1/regress/cert-userkey.sh 2023-01-25 14:27:25.757219800 +0100 +@@ -7,7 +7,8 @@ rm -f $OBJ/authorized_keys_$USER $OBJ/us + cp $OBJ/sshd_proxy $OBJ/sshd_proxy_bak + cp $OBJ/ssh_proxy $OBJ/ssh_proxy_bak + +-PLAIN_TYPES=`$SSH -Q key-plain | maybe_filter_sk | sed 's/^ssh-dss/ssh-dsa/;s/^ssh-//'` ++#ssh-dss keys are incompatible with DEFAULT crypto policy ++PLAIN_TYPES=`$SSH -Q key-plain | maybe_filter_sk | grep -v 'ssh-dss' | sed 's/^ssh-dss/ssh-dsa/;s/^ssh-//'` + EXTRA_TYPES="" + rsa="" + +diff -up openssh-8.7p1/regress/Makefile.sshrsacheck openssh-8.7p1/regress/Makefile +--- openssh-8.7p1/regress/Makefile.sshrsacheck 2023-01-20 13:07:54.169676051 +0100 ++++ openssh-8.7p1/regress/Makefile 2023-01-20 13:07:54.290677074 +0100 +@@ -2,7 +2,8 @@ + + tests: prep file-tests t-exec unit + +-REGRESS_TARGETS= t1 t2 t3 t4 t5 t6 t7 t8 t9 t10 t11 t12 ++#ssh-dss tests will not pass on DEFAULT crypto-policy because of SHA1, skipping ++REGRESS_TARGETS= t1 t2 t3 t4 t5 t7 t8 t9 t10 t11 t12 + + # File based tests + file-tests: $(REGRESS_TARGETS) +diff -up openssh-8.7p1/regress/test-exec.sh.sshrsacheck openssh-8.7p1/regress/test-exec.sh +--- openssh-8.7p1/regress/test-exec.sh.sshrsacheck 2023-01-25 14:24:54.778040819 +0100 ++++ openssh-8.7p1/regress/test-exec.sh 2023-01-25 14:26:39.500858590 +0100 +@@ -581,8 +581,9 @@ maybe_filter_sk() { + fi + } + +-SSH_KEYTYPES=`$SSH -Q key-plain | maybe_filter_sk` +-SSH_HOSTKEY_TYPES=`$SSH -Q key-plain | maybe_filter_sk` ++#ssh-dss keys are incompatible with DEFAULT crypto policy ++SSH_KEYTYPES=`$SSH -Q key-plain | maybe_filter_sk | grep -v 'ssh-dss'` ++SSH_HOSTKEY_TYPES=`$SSH -Q key-plain | maybe_filter_sk | grep -v 'ssh-dss'` + + for t in ${SSH_KEYTYPES}; do + # generate user key +diff -up openssh-8.7p1/regress/unittests/kex/test_kex.c.sshrsacheck openssh-8.7p1/regress/unittests/kex/test_kex.c +--- openssh-8.7p1/regress/unittests/kex/test_kex.c.sshrsacheck 2023-01-26 13:34:52.645743677 +0100 ++++ openssh-8.7p1/regress/unittests/kex/test_kex.c 2023-01-26 13:36:56.220745823 +0100 +@@ -97,7 +97,8 @@ do_kex_with_key(char *kex, int keytype, + memcpy(kex_params.proposal, myproposal, sizeof(myproposal)); + if (kex != NULL) + kex_params.proposal[PROPOSAL_KEX_ALGS] = kex; +- keyname = strdup(sshkey_ssh_name(private)); ++ keyname = (strcmp(sshkey_ssh_name(private), "ssh-rsa")) ? ++ strdup(sshkey_ssh_name(private)) : strdup("rsa-sha2-256"); + ASSERT_PTR_NE(keyname, NULL); + kex_params.proposal[PROPOSAL_SERVER_HOST_KEY_ALGS] = keyname; + ASSERT_INT_EQ(ssh_init(&client, 0, &kex_params), 0); +@@ -180,7 +181,7 @@ do_kex(char *kex) + { + #ifdef WITH_OPENSSL + do_kex_with_key(kex, KEY_RSA, 2048); +- do_kex_with_key(kex, KEY_DSA, 1024); ++ /* do_kex_with_key(kex, KEY_DSA, 1024); */ + #ifdef OPENSSL_HAS_ECC + do_kex_with_key(kex, KEY_ECDSA, 256); + #endif /* OPENSSL_HAS_ECC */ +diff -up openssh-8.7p1/regress/unittests/sshkey/test_file.c.sshrsacheck openssh-8.7p1/regress/unittests/sshkey/test_file.c +--- openssh-8.7p1/regress/unittests/sshkey/test_file.c.sshrsacheck 2023-01-26 12:04:55.946343408 +0100 ++++ openssh-8.7p1/regress/unittests/sshkey/test_file.c 2023-01-26 12:06:35.235164432 +0100 +@@ -110,6 +110,7 @@ sshkey_file_tests(void) + sshkey_free(k2); + TEST_DONE(); + ++ /* Skip this test, SHA1 signatures are not supported + TEST_START("load RSA cert with SHA1 signature"); + ASSERT_INT_EQ(sshkey_load_cert(test_data_file("rsa_1_sha1"), &k2), 0); + ASSERT_PTR_NE(k2, NULL); +@@ -117,7 +118,7 @@ sshkey_file_tests(void) + ASSERT_INT_EQ(sshkey_equal_public(k1, k2), 1); + ASSERT_STRING_EQ(k2->cert->signature_type, "ssh-rsa"); + sshkey_free(k2); +- TEST_DONE(); ++ TEST_DONE(); */ + + TEST_START("load RSA cert with SHA512 signature"); + ASSERT_INT_EQ(sshkey_load_cert(test_data_file("rsa_1_sha512"), &k2), 0); +diff -up openssh-8.7p1/regress/unittests/sshkey/test_fuzz.c.sshrsacheck openssh-8.7p1/regress/unittests/sshkey/test_fuzz.c +--- openssh-8.7p1/regress/unittests/sshkey/test_fuzz.c.sshrsacheck 2023-01-26 12:10:37.533168013 +0100 ++++ openssh-8.7p1/regress/unittests/sshkey/test_fuzz.c 2023-01-26 12:15:35.637631860 +0100 +@@ -333,13 +333,14 @@ sshkey_fuzz_tests(void) + TEST_DONE(); + + #ifdef WITH_OPENSSL ++ /* Skip this test, SHA1 signatures are not supported + TEST_START("fuzz RSA sig"); + buf = load_file("rsa_1"); + ASSERT_INT_EQ(sshkey_parse_private_fileblob(buf, "", &k1, NULL), 0); + sshbuf_free(buf); + sig_fuzz(k1, "ssh-rsa"); + sshkey_free(k1); +- TEST_DONE(); ++ TEST_DONE();*/ + + TEST_START("fuzz RSA SHA256 sig"); + buf = load_file("rsa_1"); +@@ -357,6 +358,7 @@ sshkey_fuzz_tests(void) + sshkey_free(k1); + TEST_DONE(); + ++ /* Skip this test, SHA1 signatures are not supported + TEST_START("fuzz DSA sig"); + buf = load_file("dsa_1"); + ASSERT_INT_EQ(sshkey_parse_private_fileblob(buf, "", &k1, NULL), 0); +@@ -364,6 +366,7 @@ sshkey_fuzz_tests(void) + sig_fuzz(k1, NULL); + sshkey_free(k1); + TEST_DONE(); ++ */ + + #ifdef OPENSSL_HAS_ECC + TEST_START("fuzz ECDSA sig"); +diff -up openssh-8.7p1/regress/unittests/sshkey/test_sshkey.c.sshrsacheck openssh-8.7p1/regress/unittests/sshkey/test_sshkey.c +--- openssh-8.7p1/regress/unittests/sshkey/test_sshkey.c.sshrsacheck 2023-01-26 11:02:52.339413463 +0100 ++++ openssh-8.7p1/regress/unittests/sshkey/test_sshkey.c 2023-01-26 11:58:42.324253896 +0100 +@@ -60,6 +60,9 @@ build_cert(struct sshbuf *b, struct sshk + u_char *sigblob; + size_t siglen; + ++ /* ssh-rsa implies SHA1, forbidden in DEFAULT cp */ ++ int expected = (sig_alg == NULL || strcmp(sig_alg, "ssh-rsa") == 0) ? SSH_ERR_LIBCRYPTO_ERROR : 0; ++ + ca_buf = sshbuf_new(); + ASSERT_PTR_NE(ca_buf, NULL); + ASSERT_INT_EQ(sshkey_putb(ca_key, ca_buf), 0); +@@ -101,8 +104,9 @@ build_cert(struct sshbuf *b, struct sshk + ASSERT_INT_EQ(sshbuf_put_string(b, NULL, 0), 0); /* reserved */ + ASSERT_INT_EQ(sshbuf_put_stringb(b, ca_buf), 0); /* signature key */ + ASSERT_INT_EQ(sshkey_sign(sign_key, &sigblob, &siglen, +- sshbuf_ptr(b), sshbuf_len(b), sig_alg, NULL, NULL, 0), 0); +- ASSERT_INT_EQ(sshbuf_put_string(b, sigblob, siglen), 0); /* signature */ ++ sshbuf_ptr(b), sshbuf_len(b), sig_alg, NULL, NULL, 0), expected); ++ if (expected == 0) ++ ASSERT_INT_EQ(sshbuf_put_string(b, sigblob, siglen), 0); /* signature */ + + free(sigblob); + sshbuf_free(ca_buf); +@@ -119,16 +123,22 @@ signature_test(struct sshkey *k, struct + { + size_t len; + u_char *sig; ++ /* ssh-rsa implies SHA1, forbidden in DEFAULT cp */ ++ int expected = (sig_alg && strcmp(sig_alg, "ssh-rsa") == 0) ? SSH_ERR_LIBCRYPTO_ERROR : 0; ++ if (k && (sshkey_type_plain(k->type) == KEY_DSA || sshkey_type_plain(k->type) == KEY_DSA_CERT)) ++ expected = SSH_ERR_LIBCRYPTO_ERROR; + + ASSERT_INT_EQ(sshkey_sign(k, &sig, &len, d, l, sig_alg, +- NULL, NULL, 0), 0); +- ASSERT_SIZE_T_GT(len, 8); +- ASSERT_PTR_NE(sig, NULL); +- ASSERT_INT_EQ(sshkey_verify(k, sig, len, d, l, NULL, 0, NULL), 0); +- ASSERT_INT_NE(sshkey_verify(bad, sig, len, d, l, NULL, 0, NULL), 0); +- /* Fuzz test is more comprehensive, this is just a smoke test */ +- sig[len - 5] ^= 0x10; +- ASSERT_INT_NE(sshkey_verify(k, sig, len, d, l, NULL, 0, NULL), 0); ++ NULL, NULL, 0), expected); ++ if (expected == 0) { ++ ASSERT_SIZE_T_GT(len, 8); ++ ASSERT_PTR_NE(sig, NULL); ++ ASSERT_INT_EQ(sshkey_verify(k, sig, len, d, l, NULL, 0, NULL), 0); ++ ASSERT_INT_NE(sshkey_verify(bad, sig, len, d, l, NULL, 0, NULL), 0); ++ /* Fuzz test is more comprehensive, this is just a smoke test */ ++ sig[len - 5] ^= 0x10; ++ ASSERT_INT_NE(sshkey_verify(k, sig, len, d, l, NULL, 0, NULL), 0); ++ } + free(sig); + } + +@@ -514,7 +524,7 @@ sshkey_tests(void) + ASSERT_INT_EQ(sshkey_load_public(test_data_file("rsa_1.pub"), &k2, + NULL), 0); + k3 = get_private("rsa_1"); +- build_cert(b, k2, "ssh-rsa-cert-v01@openssh.com", k3, k1, NULL); ++ build_cert(b, k2, "ssh-rsa-cert-v01@openssh.com", k3, k1, "rsa-sha2-256"); + ASSERT_INT_EQ(sshkey_from_blob(sshbuf_ptr(b), sshbuf_len(b), &k4), + SSH_ERR_KEY_CERT_INVALID_SIGN_KEY); + ASSERT_PTR_EQ(k4, NULL); +diff -up openssh-8.7p1/regress/unittests/sshsig/tests.c.sshrsacheck openssh-8.7p1/regress/unittests/sshsig/tests.c +--- openssh-8.7p1/regress/unittests/sshsig/tests.c.sshrsacheck 2023-01-26 12:19:23.659513651 +0100 ++++ openssh-8.7p1/regress/unittests/sshsig/tests.c 2023-01-26 12:20:28.021044803 +0100 +@@ -102,9 +102,11 @@ tests(void) + check_sig("rsa.pub", "rsa.sig", msg, namespace); + TEST_DONE(); + ++ /* Skip this test, SHA1 signatures are not supported + TEST_START("check DSA signature"); + check_sig("dsa.pub", "dsa.sig", msg, namespace); + TEST_DONE(); ++ */ + + #ifdef OPENSSL_HAS_ECC + TEST_START("check ECDSA signature"); diff -up openssh-8.7p1/serverloop.c.sshrsacheck openssh-8.7p1/serverloop.c --- openssh-8.7p1/serverloop.c.sshrsacheck 2023-01-12 14:57:08.118400073 +0100 +++ openssh-8.7p1/serverloop.c 2023-01-12 14:59:17.330470518 +0100 @@ -57,6 +306,24 @@ diff -up openssh-8.7p1/serverloop.c.sshrsacheck openssh-8.7p1/serverloop.c debug3_f("sign %s key (index %d) using sigalg %s", sshkey_type(key), ndx, sigalg == NULL ? "default" : sigalg); if ((r = sshbuf_put_cstring(sigbuf, +diff -up openssh-8.7p1/sshconnect2.c.sshrsacheck openssh-8.7p1/sshconnect2.c +--- openssh-8.7p1/sshconnect2.c.sshrsacheck 2023-01-25 15:33:29.140353651 +0100 ++++ openssh-8.7p1/sshconnect2.c 2023-01-25 15:59:34.225364883 +0100 +@@ -1461,6 +1464,14 @@ identity_sign(struct identity *id, u_cha + retried = 1; + goto retry_pin; + } ++ if ((r == SSH_ERR_LIBCRYPTO_ERROR) && strcmp("ssh-rsa", alg)) { ++ char rsa_safe_alg[] = "rsa-sha2-512"; ++ debug3_f("trying to fallback to algorithm %s", rsa_safe_alg); ++ ++ if ((r = sshkey_sign(sign_key, sigp, lenp, data, datalen, ++ rsa_safe_alg, options.sk_provider, pin, compat)) != 0) ++ debug_fr(r, "sshkey_sign - RSA fallback"); ++ } + goto out; + } + diff -up openssh-8.7p1/sshd.c.sshrsacheck openssh-8.7p1/sshd.c --- openssh-8.7p1/sshd.c.sshrsacheck 2023-01-12 13:29:06.355711140 +0100 +++ openssh-8.7p1/sshd.c 2023-01-12 13:29:06.358711178 +0100 @@ -68,7 +335,7 @@ diff -up openssh-8.7p1/sshd.c.sshrsacheck openssh-8.7p1/sshd.c #ifdef HAVE_SECUREWARE (void)set_auth_parameters(ac, av); -@@ -1938,6 +1950,19 @@ main(int ac, char **av) +@@ -1938,6 +1950,33 @@ main(int ac, char **av) key = NULL; continue; } @@ -78,12 +345,26 @@ diff -up openssh-8.7p1/sshd.c.sshrsacheck openssh-8.7p1/sshd.c + u_char data[] = "Test SHA1 vector"; + int res; + -+ res = ssh_rsa_sign(key, &tmp, &sign_size, data, sizeof(data), NULL); ++ res = sshkey_sign(key, &tmp, &sign_size, data, sizeof(data), NULL, NULL, NULL, 0); + free(tmp); + if (res == SSH_ERR_LIBCRYPTO_ERROR) { -+ logit_f("sshd: ssh-rsa algorithm is disabled"); ++ verbose_f("sshd: SHA1 in signatures is disabled for RSA keys"); + forbid_ssh_rsa = 1; + } ++ } ++ if (key && (sshkey_type_plain(key->type) == KEY_DSA || sshkey_type_plain(key->type) == KEY_DSA_CERT)) { ++ size_t sign_size = 0; ++ u_char *tmp = NULL; ++ u_char data[] = "Test SHA1 vector"; ++ int res; ++ ++ res = sshkey_sign(key, &tmp, &sign_size, data, sizeof(data), NULL, NULL, NULL, 0); ++ free(tmp); ++ if (res == SSH_ERR_LIBCRYPTO_ERROR) { ++ logit_f("sshd: ssh-dss is disabled, skipping key file %s", options.host_key_files[i]); ++ key = NULL; ++ continue; ++ } + } if (sshkey_is_sk(key) && key->sk_flags & SSH_SK_USER_PRESENCE_REQD) { @@ -98,3 +379,48 @@ diff -up openssh-8.7p1/sshd.c.sshrsacheck openssh-8.7p1/sshd.c /* Prepare the channels layer */ channel_init_channels(ssh); channel_set_af(ssh, options.address_family); +diff -Nur openssh-8.7p1/ssh-keygen.c openssh-8.7p1_patched/ssh-keygen.c +--- openssh-8.7p1/ssh-keygen.c 2023-01-18 17:41:47.894515779 +0100 ++++ openssh-8.7p1_patched/ssh-keygen.c 2023-01-18 17:41:44.500488818 +0100 +@@ -491,6 +491,8 @@ + BIGNUM *dsa_pub_key = NULL, *dsa_priv_key = NULL; + BIGNUM *rsa_n = NULL, *rsa_e = NULL, *rsa_d = NULL; + BIGNUM *rsa_p = NULL, *rsa_q = NULL, *rsa_iqmp = NULL; ++ char rsa_safe_alg[] = "rsa-sha2-256"; ++ char *alg = NULL; + + if ((r = sshbuf_get_u32(b, &magic)) != 0) + fatal_fr(r, "parse magic"); +@@ -590,6 +592,7 @@ do_convert_private_ssh2(struct sshbuf *b + if ((r = ssh_rsa_complete_crt_parameters(key, rsa_iqmp)) != 0) + fatal_fr(r, "generate RSA parameters"); + BN_clear_free(rsa_iqmp); ++ alg = rsa_safe_alg; + break; + } + rlen = sshbuf_len(b); +@@ -598,9 +601,9 @@ do_convert_private_ssh2(struct sshbuf *b + + /* try the key */ + if (sshkey_sign(key, &sig, &slen, data, sizeof(data), +- NULL, NULL, NULL, 0) != 0 || ++ alg, NULL, NULL, 0) != 0 || + sshkey_verify(key, sig, slen, data, sizeof(data), +- NULL, 0, NULL) != 0) { ++ alg, 0, NULL) != 0) { + sshkey_free(key); + free(sig); + return NULL; +diff -up openssh-8.7p1/ssh-rsa.c.sshrsacheck openssh-8.7p1/ssh-rsa.c +--- openssh-8.7p1/ssh-rsa.c.sshrsacheck 2023-01-20 13:07:54.180676144 +0100 ++++ openssh-8.7p1/ssh-rsa.c 2023-01-20 13:07:54.290677074 +0100 +@@ -254,7 +254,8 @@ ssh_rsa_verify(const struct sshkey *key, + ret = SSH_ERR_INVALID_ARGUMENT; + goto out; + } +- if (hash_alg != want_alg) { ++ if (hash_alg != want_alg && want_alg != SSH_DIGEST_SHA1) { ++ debug_f("Unexpected digest algorithm: got %d, wanted %d", hash_alg, want_alg); + ret = SSH_ERR_SIGNATURE_INVALID; + goto out; + } diff --git a/SPECS/openssh.spec b/SPECS/openssh.spec index 28fb95a..1f024d5 100644 --- a/SPECS/openssh.spec +++ b/SPECS/openssh.spec @@ -51,7 +51,7 @@ # Do not forget to bump pam_ssh_agent_auth release if you rewind the main package release to 1 %global openssh_ver 8.7p1 -%global openssh_rel 30 +%global openssh_rel 34 %global pam_ssh_agent_ver 0.10.4 %global pam_ssh_agent_rel 5 @@ -265,6 +265,20 @@ Patch1007: openssh-8.7p1-nohostsha1proof.patch # upstream 12da7823336434a403f25c7cc0c2c6aed0737a35 # to fix 1005 Patch1008: openssh-8.7p1-CVE-2023-25136.patch + +# fips compliance for signing, dh, ecdh +Patch1009: openssh-8.7p1-evp-fips-compl-sign.patch +Patch1010: openssh-8.7p1-evp-fips-compl-dh.patch +Patch1011: openssh-8.7p1-evp-fips-compl-ecdh.patch +Patch1012: openssh-8.7p1-evp-pkcs11.patch + +# clarify rhbz#2068423 on the man page of ssh_config +Patch1013: openssh-8.7p1-man-hostkeyalgos.patch +# upstream commits +# ec1ddb72a146fd66d18df9cd423517453a5d8044 +# b98a42afb69d60891eb0488935990df6ee571c4 +# a00f59a645072e5f5a8d207af15916a7b23e2642 +Patch1014: openssh-8.7p1-UTC-time-parse.patch # upsream commit # b23fe83f06ee7e721033769cfa03ae840476d280 Patch1015: openssh-9.3p1-upstream-cve-2023-38408.patch @@ -475,11 +489,19 @@ popd %patch1006 -p1 -b .negotiate-supported-algs %patch100 -p1 -b .coverity -%patch1015 -p1 -b .cve-2023-38408 %patch1007 -p1 -b .sshrsacheck %patch1008 -p1 -b .cve-2023-25136 +%patch1009 -p1 -b .evp_fips_sign +%patch1010 -p1 -b .evp_fips_dh +%patch1011 -p1 -b .evp_fips_ecdh +%patch1012 -p1 -b .evp_pkcs11 + +%patch1013 -p1 -b .man-hostkeyalgos +%patch1014 -p1 -b .utc_parse +%patch1015 -p1 -b .cve-2023-38408 + autoreconf pushd pam_ssh_agent_auth-pam_ssh_agent_auth-%{pam_ssh_agent_ver} autoreconf @@ -765,15 +787,50 @@ test -f %{sysconfig_anaconda} && \ %endif %changelog -* Thu Jul 20 2023 Dmitry Belyavskiy - 8.7p1-30 +* Thu Jul 20 2023 Dmitry Belyavskiy - 8.7p1-34 - Avoid remote code execution in ssh-agent PKCS#11 support Resolves: CVE-2023-38408 +* Tue Jun 13 2023 Dmitry Belyavskiy - 8.7p1-33 +- Allow specifying validity interval in UTC + Resolves: rhbz#2115043 + +* Wed May 24 2023 Norbert Pocs - 8.7p1-32 +- Fix pkcs11 issue with the recent changes +- Delete unnecessary log messages from previous compl-dh patch +- Add ssh_config man page explanation on rhbz#2068423 +- Resolves: rhbz#2207793, rhbz#2209096 + +* Tue May 16 2023 Norbert Pocs - 8.7p1-31 +- Fix minor issues with openssh-8.7p1-evp-fips-compl-dh.patch: +- Check return values +- Use EVP API to get the size of DH +- Add some log debug lines +- Related: rhbz#2091694 + +* Thu Apr 20 2023 Dmitry Belyavskiy - 8.7p1-30 +- Some non-terminating processes were listening on ports. + Resolves: rhbz#2177768 +- On sshd startup, we check whether signing using the SHA1 for signing is + available and don't use it when it isn't. +- On ssh private key conversion we explicitly use SHA2 for testing RSA keys. +- In sshd, when SHA1 signatures are unavailable, we fallback (fall forward :) ) + to SHA2 on host keys proof confirmation. +- On a client side we permit SHA2-based proofs from server when requested SHA1 + proof (or didn't specify the hash algorithm that implies SHA1 on the client + side). It is aligned with already present exception for RSA certificates. +- We fallback to SHA2 if SHA1 signatures is not available on the client side + (file sshconnect2.c). +- We skip dss-related tests (they don't work without SHA1). + Resolves: rhbz#2070163 +- FIPS compliance efforts for dh, ecdh and signing + Resolves: rhbz#2091694 + * Thu Apr 06 2023 Dmitry Belyavskiy - 8.7p1-29 - Resolve possible self-DoS with some clients Resolves: rhbz#2186473 -* Wed Mar 15 2023 MSVSphere Packaging Team - 8.7p1-24 +* Wed Mar 15 2023 MSVSphere Packaging Team - 8.7p1-28 - Rebuilt for MSVSphere 9.1. * Thu Jan 12 2023 Dmitry Belyavskiy - 8.7p1-28