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import openssh-8.7p1-43.el9

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c9-beta imports/c9-beta/openssh-8.7p1-43.el9
MSVSphere Packaging Team 3 months ago
parent b10f2f5aa0
commit 9311cc45bf
Signed by: sys_gitsync
GPG Key ID: B2B0B9F29E528FE8
8 changed files with 255 additions and 40 deletions
Show Stats Download Patch File Download Diff File

2
SOURCES/openssh-7.7p1-fips.patch
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@ -81,7 +81,7 @@ diff -up openssh-8.6p1/kex.c.fips openssh-8.6p1/kex.c
#include <openssl/crypto.h> #include <openssl/crypto.h>
+#include <openssl/fips.h> +#include <openssl/fips.h>
#include <openssl/dh.h> #include <openssl/dh.h>
# ifdef HAVE_EVP_KDF_CTX_NEW_ID # ifdef HAVE_EVP_KDF_CTX_NEW
# include <openssl/kdf.h> # include <openssl/kdf.h>
@@ -203,7 +203,10 @@ kex_names_valid(const char *names) @@ -203,7 +203,10 @@ kex_names_valid(const char *names)
for ((p = strsep(&cp, ",")); p && *p != '\0'; for ((p = strsep(&cp, ",")); p && *p != '\0';

89
SOURCES/openssh-8.0p1-openssl-kdf.patch
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@ -12,7 +12,7 @@ index 2a455e4e..e01c3d43 100644
HMAC_CTX_init \ HMAC_CTX_init \
RSA_generate_key_ex \ RSA_generate_key_ex \
RSA_get_default_method \ RSA_get_default_method \
+ EVP_KDF_CTX_new_id \ + EVP_KDF_CTX_new \
]) ])
# OpenSSL_add_all_algorithms may be a macro. # OpenSSL_add_all_algorithms may be a macro.
@ -20,33 +20,35 @@ diff --git a/kex.c b/kex.c
index b6f041f4..1fbce2bb 100644 index b6f041f4..1fbce2bb 100644
--- a/kex.c --- a/kex.c
+++ b/kex.c +++ b/kex.c
@@ -38,6 +38,9 @@ @@ -38,6 +38,11 @@
#ifdef WITH_OPENSSL #ifdef WITH_OPENSSL
#include <openssl/crypto.h> #include <openssl/crypto.h>
#include <openssl/dh.h> #include <openssl/dh.h>
+# ifdef HAVE_EVP_KDF_CTX_NEW_ID +# ifdef HAVE_EVP_KDF_CTX_NEW
+# include <openssl/kdf.h> +# include <openssl/kdf.h>
+# include <openssl/param_build.h>
+# include <openssl/core_names.h>
+# endif +# endif
#endif #endif
#include "ssh.h" #include "ssh.h"
@@ -942,6 +945,95 @@ kex_choose_conf(struct ssh *ssh) @@ -942,6 +945,112 @@ kex_choose_conf(struct ssh *ssh)
return r; return r;
} }
+#ifdef HAVE_EVP_KDF_CTX_NEW_ID +#ifdef HAVE_EVP_KDF_CTX_NEW
+static const EVP_MD * +static const char *
+digest_to_md(int digest_type) +digest_to_md(int digest_type)
+{ +{
+ switch (digest_type) { + switch (digest_type) {
+ case SSH_DIGEST_SHA1: + case SSH_DIGEST_SHA1:
+ return EVP_sha1(); + return SN_sha1;
+ case SSH_DIGEST_SHA256: + case SSH_DIGEST_SHA256:
+ return EVP_sha256(); + return SN_sha256;
+ case SSH_DIGEST_SHA384: + case SSH_DIGEST_SHA384:
+ return EVP_sha384(); + return SN_sha384;
+ case SSH_DIGEST_SHA512: + case SSH_DIGEST_SHA512:
+ return EVP_sha512(); + return SN_sha512;
+ } + }
+ return NULL; + return NULL;
+} +}
@ -56,52 +58,67 @@ index b6f041f4..1fbce2bb 100644
+ const struct sshbuf *shared_secret, u_char **keyp) + const struct sshbuf *shared_secret, u_char **keyp)
+{ +{
+ struct kex *kex = ssh->kex; + struct kex *kex = ssh->kex;
+ EVP_KDF_CTX *ctx = NULL;
+ u_char *key = NULL; + u_char *key = NULL;
+ int r, key_len; + int r, key_len;
+ +
+ if ((key_len = ssh_digest_bytes(kex->hash_alg)) == 0) + EVP_KDF *kdf = EVP_KDF_fetch(NULL, "SSHKDF", NULL);
+ return SSH_ERR_INVALID_ARGUMENT; + EVP_KDF_CTX *ctx = NULL;
+ key_len = ROUNDUP(need, key_len); + OSSL_PARAM_BLD *param_bld = OSSL_PARAM_BLD_new();
+ if ((key = calloc(1, key_len)) == NULL) { + OSSL_PARAM *params = NULL;
+ r = SSH_ERR_ALLOC_FAIL; + const char *md = digest_to_md(kex->hash_alg);
+ char keytype = (char)id;
+
+ if (!kdf) {
+ r = SSH_ERR_LIBCRYPTO_ERROR;
+ goto out; + goto out;
+ } + }
+ + ctx = EVP_KDF_CTX_new(kdf);
+ ctx = EVP_KDF_CTX_new_id(EVP_KDF_SSHKDF); + EVP_KDF_free(kdf);
+ if (!ctx) { + if (!ctx) {
+ r = SSH_ERR_LIBCRYPTO_ERROR; + r = SSH_ERR_LIBCRYPTO_ERROR;
+ goto out; + goto out;
+ } + }
+ + if (md == NULL) {
+ r = EVP_KDF_ctrl(ctx, EVP_KDF_CTRL_SET_MD, digest_to_md(kex->hash_alg)); + r = SSH_ERR_INVALID_ARGUMENT;
+ if (r != 1) {
+ r = SSH_ERR_LIBCRYPTO_ERROR;
+ goto out; + goto out;
+ } + }
+ r = EVP_KDF_ctrl(ctx, EVP_KDF_CTRL_SET_KEY, +
+ sshbuf_ptr(shared_secret), sshbuf_len(shared_secret)); + if (param_bld == NULL) {
+ if (r != 1) { + EVP_KDF_CTX_free(ctx);
+ r = SSH_ERR_LIBCRYPTO_ERROR; + return -1;
+ }
+ if ((key_len = ssh_digest_bytes(kex->hash_alg)) == 0) {
+ r = SSH_ERR_INVALID_ARGUMENT;
+ goto out; + goto out;
+ } + }
+ r = EVP_KDF_ctrl(ctx, EVP_KDF_CTRL_SET_SSHKDF_XCGHASH, hash, hashlen); +
+ if (r != 1) { + key_len = ROUNDUP(need, key_len);
+ r = SSH_ERR_LIBCRYPTO_ERROR; + if ((key = calloc(1, key_len)) == NULL) {
+ r = SSH_ERR_ALLOC_FAIL;
+ goto out; + goto out;
+ } + }
+ r = EVP_KDF_ctrl(ctx, EVP_KDF_CTRL_SET_SSHKDF_TYPE, id); +
+ r = OSSL_PARAM_BLD_push_utf8_string(param_bld, OSSL_KDF_PARAM_DIGEST,
+ md, strlen(md)) && /* SN */
+ OSSL_PARAM_BLD_push_octet_string(param_bld, OSSL_KDF_PARAM_KEY,
+ sshbuf_ptr(shared_secret), sshbuf_len(shared_secret)) &&
+ OSSL_PARAM_BLD_push_octet_string(param_bld, OSSL_KDF_PARAM_SSHKDF_XCGHASH,
+ hash, hashlen) &&
+ OSSL_PARAM_BLD_push_octet_string(param_bld, OSSL_KDF_PARAM_SSHKDF_SESSION_ID,
+ sshbuf_ptr(kex->session_id), sshbuf_len(kex->session_id)) &&
+ OSSL_PARAM_BLD_push_utf8_string(param_bld, OSSL_KDF_PARAM_SSHKDF_TYPE,
+ &keytype, 1);
+ if (r != 1) { + if (r != 1) {
+ r = SSH_ERR_LIBCRYPTO_ERROR; + r = SSH_ERR_LIBCRYPTO_ERROR;
+ goto out; + goto out;
+ } + }
+ r = EVP_KDF_ctrl(ctx, EVP_KDF_CTRL_SET_SSHKDF_SESSION_ID, +
+ sshbuf_ptr(kex->session_id), sshbuf_len(kex->session_id)); + params = OSSL_PARAM_BLD_to_param(param_bld);
+ if (r != 1) { + if (params == NULL) {
+ r = SSH_ERR_LIBCRYPTO_ERROR; + r = SSH_ERR_LIBCRYPTO_ERROR;
+ goto out; + goto out;
+ } + }
+ r = EVP_KDF_derive(ctx, key, key_len); + r = EVP_KDF_derive(ctx, key, key_len, params);
+ if (r != 1) { + if (r != 1) {
+ r = SSH_ERR_LIBCRYPTO_ERROR; + r = SSH_ERR_LIBCRYPTO_ERROR;
+ goto out; + goto out;
@ -115,6 +132,8 @@ index b6f041f4..1fbce2bb 100644
+ r = 0; + r = 0;
+ +
+out: +out:
+ OSSL_PARAM_BLD_free(param_bld);
+ OSSL_PARAM_free(params);
+ free (key); + free (key);
+ EVP_KDF_CTX_free(ctx); + EVP_KDF_CTX_free(ctx);
+ if (r < 0) { + if (r < 0) {
@ -130,7 +149,7 @@ index b6f041f4..1fbce2bb 100644
ssh_digest_free(hashctx); ssh_digest_free(hashctx);
return r; return r;
} }
+#endif /* HAVE_OPENSSL_EVP_KDF_CTX_NEW_ID */ +#endif /* HAVE_OPENSSL_EVP_KDF_CTX_NEW */
#define NKEYS 6 #define NKEYS 6
int int

106
SOURCES/openssh-8.7p1-audit-hostname.patch
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@ -0,0 +1,106 @@
diff --color -ruNp a/audit-linux.c b/audit-linux.c
--- a/audit-linux.c 2024-05-09 12:38:08.843017319 +0200
+++ b/audit-linux.c 2024-05-09 12:47:05.162267634 +0200
@@ -52,7 +52,7 @@ extern u_int utmp_len;
const char *audit_username(void);
static void
-linux_audit_user_logxxx(int uid, const char *username,
+linux_audit_user_logxxx(int uid, const char *username, const char *hostname,
const char *ip, const char *ttyn, int success, int event)
{
int audit_fd, rc, saved_errno;
@@ -66,7 +66,7 @@ linux_audit_user_logxxx(int uid, const c
}
rc = audit_log_acct_message(audit_fd, event,
NULL, "login", username ? username : "(unknown)",
- username == NULL ? uid : -1, NULL, ip, ttyn, success);
+ username == NULL ? uid : -1, hostname, ip, ttyn, success);
saved_errno = errno;
close(audit_fd);
@@ -181,9 +181,11 @@ audit_run_command(struct ssh *ssh, const
{
if (!user_login_count++)
linux_audit_user_logxxx(the_authctxt->pw->pw_uid, NULL,
+ options.use_dns ? remote_hostname(ssh) : NULL,
ssh_remote_ipaddr(ssh),
"ssh", 1, AUDIT_USER_LOGIN);
linux_audit_user_logxxx(the_authctxt->pw->pw_uid, NULL,
+ options.use_dns ? remote_hostname(ssh) : NULL,
ssh_remote_ipaddr(ssh),
"ssh", 1, AUDIT_USER_START);
return 0;
@@ -193,10 +195,12 @@ void
audit_end_command(struct ssh *ssh, int handle, const char *command)
{
linux_audit_user_logxxx(the_authctxt->pw->pw_uid, NULL,
+ options.use_dns ? remote_hostname(ssh) : NULL,
ssh_remote_ipaddr(ssh),
"ssh", 1, AUDIT_USER_END);
if (user_login_count && !--user_login_count)
linux_audit_user_logxxx(the_authctxt->pw->pw_uid, NULL,
+ options.use_dns ? remote_hostname(ssh) : NULL,
ssh_remote_ipaddr(ssh),
"ssh", 1, AUDIT_USER_LOGOUT);
}
@@ -211,19 +215,27 @@ void
audit_session_open(struct logininfo *li)
{
if (!user_login_count++)
- linux_audit_user_logxxx(li->uid, NULL, li->hostname,
+ linux_audit_user_logxxx(li->uid, NULL,
+ options.use_dns ? li->hostname : NULL,
+ options.use_dns ? NULL : li->hostname,
li->line, 1, AUDIT_USER_LOGIN);
- linux_audit_user_logxxx(li->uid, NULL, li->hostname,
+ linux_audit_user_logxxx(li->uid, NULL,
+ options.use_dns ? li->hostname : NULL,
+ options.use_dns ? NULL : li->hostname,
li->line, 1, AUDIT_USER_START);
}
void
audit_session_close(struct logininfo *li)
{
- linux_audit_user_logxxx(li->uid, NULL, li->hostname,
+ linux_audit_user_logxxx(li->uid, NULL,
+ options.use_dns ? li->hostname : NULL,
+ options.use_dns ? NULL : li->hostname,
li->line, 1, AUDIT_USER_END);
if (user_login_count && !--user_login_count)
- linux_audit_user_logxxx(li->uid, NULL, li->hostname,
+ linux_audit_user_logxxx(li->uid, NULL,
+ options.use_dns ? li->hostname : NULL,
+ options.use_dns ? NULL : li->hostname,
li->line, 1, AUDIT_USER_LOGOUT);
}
@@ -236,6 +248,7 @@ audit_event(struct ssh *ssh, ssh_audit_e
linux_audit_user_auth(-1, audit_username(),
ssh_remote_ipaddr(ssh), "ssh", 0, event);
linux_audit_user_logxxx(-1, audit_username(),
+ options.use_dns ? remote_hostname(ssh) : NULL,
ssh_remote_ipaddr(ssh), "ssh", 0, AUDIT_USER_LOGIN);
break;
case SSH_AUTH_FAIL_PASSWD:
@@ -254,9 +267,11 @@ audit_event(struct ssh *ssh, ssh_audit_e
if (user_login_count) {
while (user_login_count--)
linux_audit_user_logxxx(the_authctxt->pw->pw_uid, NULL,
+ options.use_dns ? remote_hostname(ssh) : NULL,
ssh_remote_ipaddr(ssh),
"ssh", 1, AUDIT_USER_END);
linux_audit_user_logxxx(the_authctxt->pw->pw_uid, NULL,
+ options.use_dns ? remote_hostname(ssh) : NULL,
ssh_remote_ipaddr(ssh),
"ssh", 1, AUDIT_USER_LOGOUT);
}
@@ -265,6 +280,7 @@ audit_event(struct ssh *ssh, ssh_audit_e
case SSH_CONNECTION_ABANDON:
case SSH_INVALID_USER:
linux_audit_user_logxxx(-1, audit_username(),
+ options.use_dns ? remote_hostname(ssh) : NULL,
ssh_remote_ipaddr(ssh), "ssh", 0, AUDIT_USER_LOGIN);
break;
default:

21
SOURCES/openssh-8.7p1-sigpipe.patch
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@ -0,0 +1,21 @@
diff --git a/ssh.c b/ssh.c
index 89ca1940..559bf2af 100644
--- a/ssh.c
+++ b/ssh.c
@@ -1124,6 +1124,8 @@ main(int ac, char **av)
}
}
+ ssh_signal(SIGPIPE, SIG_IGN); /* ignore SIGPIPE early */
+
/*
* Initialize "log" output. Since we are the client all output
* goes to stderr unless otherwise specified by -y or -E.
@@ -1652,7 +1654,6 @@ main(int ac, char **av)
options.num_system_hostfiles);
tilde_expand_paths(options.user_hostfiles, options.num_user_hostfiles);
- ssh_signal(SIGPIPE, SIG_IGN); /* ignore SIGPIPE early */
ssh_signal(SIGCHLD, main_sigchld_handler);
/* Log into the remote system. Never returns if the login fails. */

30
SOURCES/openssh-9.8p1-upstream-cve-2024-6387.patch
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@ -0,0 +1,30 @@
diff -up openssh-8.7p1/log.c.xxx openssh-8.7p1/log.c
--- openssh-8.7p1/log.c.xxx 2024-06-28 11:02:43.949912398 +0200
+++ openssh-8.7p1/log.c 2024-06-28 11:02:58.652297885 +0200
@@ -455,12 +455,14 @@ void
sshsigdie(const char *file, const char *func, int line, int showfunc,
LogLevel level, const char *suffix, const char *fmt, ...)
{
+#if 0
va_list args;
va_start(args, fmt);
sshlogv(file, func, line, showfunc, SYSLOG_LEVEL_FATAL,
suffix, fmt, args);
va_end(args);
+#endif
_exit(1);
}
diff -up openssh-8.7p1/sshd.c.xxx openssh-8.7p1/sshd.c
--- openssh-8.7p1/sshd.c.xxx 2024-07-01 10:33:04.332907749 +0200
+++ openssh-8.7p1/sshd.c 2024-07-01 10:33:47.843998038 +0200
@@ -384,7 +384,7 @@ grace_alarm_handler(int sig)
/* Log error and exit. */
if (use_privsep && pmonitor != NULL && pmonitor->m_pid <= 0)
- cleanup_exit(255); /* don't log in privsep child */
+ _exit(255); /* don't log in privsep child */
else {
sigdie("Timeout before authentication for %s port %d",
ssh_remote_ipaddr(the_active_state),

12
SOURCES/sshd-keygen
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@ -9,8 +9,14 @@ case $KEYTYPE in
if [[ -r "$FIPS" && $(cat $FIPS) == "1" ]]; then if [[ -r "$FIPS" && $(cat $FIPS) == "1" ]]; then
exit 0 exit 0
fi ;; fi ;;
"rsa") ;; # always ok "rsa")
"ecdsa") ;; if [[ ! -z $SSH_RSA_BITS ]]; then
SSH_KEYGEN_OPTIONS="-b $SSH_RSA_BITS"
fi ;; # always ok
"ecdsa")
if [[ ! -z $SSH_ECDSA_BITS ]]; then
SSH_KEYGEN_OPTIONS="-b $SSH_ECDSA_BITS"
fi ;;
*) # wrong argument *) # wrong argument
exit 12 ;; exit 12 ;;
esac esac
@ -25,7 +31,7 @@ fi
rm -f $KEY{,.pub} rm -f $KEY{,.pub}
# create new keys # create new keys
if ! $KEYGEN -q -t $KEYTYPE -f $KEY -C '' -N '' >&/dev/null; then if ! $KEYGEN -q -t $KEYTYPE $SSH_KEYGEN_OPTIONS -f $KEY -C '' -N '' >&/dev/null; then
exit 1 exit 1
fi fi

3
SOURCES/sshd.sysconfig
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@ -5,3 +5,6 @@
# example using systemctl enable sshd-keygen@dsa.service to allow creation # example using systemctl enable sshd-keygen@dsa.service to allow creation
# of DSA key or systemctl mask sshd-keygen@rsa.service to disable RSA key # of DSA key or systemctl mask sshd-keygen@rsa.service to disable RSA key
# creation. # creation.
#SSH_RSA_BITS=3072
#SSH_ECDSA_BITS=256

32
SPECS/openssh.spec
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@ -47,7 +47,7 @@
# Do not forget to bump pam_ssh_agent_auth release if you rewind the main package release to 1 # 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_ver 8.7p1
%global openssh_rel 38 %global openssh_rel 43
%global pam_ssh_agent_ver 0.10.4 %global pam_ssh_agent_ver 0.10.4
%global pam_ssh_agent_rel 5 %global pam_ssh_agent_rel 5
@ -84,6 +84,8 @@ Patch100: openssh-6.7p1-coverity.patch
Patch200: openssh-7.6p1-audit.patch Patch200: openssh-7.6p1-audit.patch
# Audit race condition in forked child (#1310684) # Audit race condition in forked child (#1310684)
Patch201: openssh-7.1p2-audit-race-condition.patch Patch201: openssh-7.1p2-audit-race-condition.patch
# Correctly audit hostname and IP address
Patch202: openssh-8.7p1-audit-hostname.patch
# --- pam_ssh-agent --- # --- pam_ssh-agent ---
# make it build reusing the openssh sources # make it build reusing the openssh sources
@ -288,6 +290,9 @@ Patch1017: openssh-9.4p2-limit-delay.patch
Patch1018: openssh-9.6p1-CVE-2023-48795.patch Patch1018: openssh-9.6p1-CVE-2023-48795.patch
#upstream commit 7ef3787c84b6b524501211b11a26c742f829af1a #upstream commit 7ef3787c84b6b524501211b11a26c742f829af1a
Patch1019: openssh-9.6p1-CVE-2023-51385.patch Patch1019: openssh-9.6p1-CVE-2023-51385.patch
#upstream commit 96faa0de6c673a2ce84736eba37fc9fb723d9e5c
Patch1020: openssh-8.7p1-sigpipe.patch
Patch1021: openssh-9.8p1-upstream-cve-2024-6387.patch
License: BSD License: BSD
Requires: /sbin/nologin Requires: /sbin/nologin
@ -484,6 +489,7 @@ popd
%patch200 -p1 -b .audit %patch200 -p1 -b .audit
%patch201 -p1 -b .audit-race %patch201 -p1 -b .audit-race
%patch202 -p1 -b .audit-hostname
%patch700 -p1 -b .fips %patch700 -p1 -b .fips
%patch1000 -p1 -b .minimize-sha1-use %patch1000 -p1 -b .minimize-sha1-use
@ -511,6 +517,8 @@ popd
%patch1017 -p1 -b .limitdelay %patch1017 -p1 -b .limitdelay
%patch1018 -p1 -b .cve-2023-48795 %patch1018 -p1 -b .cve-2023-48795
%patch1019 -p1 -b .cve-2023-51385 %patch1019 -p1 -b .cve-2023-51385
%patch1020 -p1 -b .earlypipe
%patch1021 -p1 -b .cve-2024-6387
autoreconf autoreconf
pushd pam_ssh_agent_auth-pam_ssh_agent_auth-%{pam_ssh_agent_ver} pushd pam_ssh_agent_auth-pam_ssh_agent_auth-%{pam_ssh_agent_ver}
@ -798,6 +806,28 @@ test -f %{sysconfig_anaconda} && \
%endif %endif
%changelog %changelog
* Tue Jul 09 2024 Dmitry Belyavskiy <dbelyavs@redhat.com> - 8.7p1-43
- Possible remote code execution due to a race condition (CVE-2024-6409)
Resolves: RHEL-45741
* Thu Jul 04 2024 Dmitry Belyavskiy <dbelyavs@redhat.com> - 8.7p1-42
- Possible remote code execution due to a race condition (CVE-2024-6387)
Resolves: RHEL-45348
* Mon Jun 03 2024 Dmitry Belyavskiy <dbelyavs@redhat.com> - 8.7p1-41
- Fix ssh multiplexing connect timeout processing
Resolves: RHEL-37748
* Thu May 02 2024 Zoltan Fridrich <zfridric@redhat.com> - 8.7p1-40
- Correctly audit hostname and IP address
Resolves: RHEL-22316
- Make default key sizes configurable in sshd-keygen
Resolves: RHEL-26454
* Wed Apr 24 2024 Dmitry Belyavskiy <dbelyavs@redhat.com> - 8.7p1-39
- Use FIPS-compatible API for key derivation
Resolves: RHEL-32809
* Fri Jan 05 2024 Dmitry Belyavskiy <dbelyavs@redhat.com> - 8.7p1-38 * Fri Jan 05 2024 Dmitry Belyavskiy <dbelyavs@redhat.com> - 8.7p1-38
- Fix Terrapin attack - Fix Terrapin attack
Resolves: CVE-2023-48795 Resolves: CVE-2023-48795

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