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curl/SOURCES/0047-curl-7.61.1-CVE-2023-2...

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From 95f873ff983a1ae57415b3c16a881e74432cf8b8 Mon Sep 17 00:00:00 2001
From: Fabian Keil <fk@fabiankeil.de>
Date: Tue, 9 Feb 2021 14:04:32 +0100
Subject: [PATCH 1/2] runtests.pl: support the nonewline attribute for the data
part
Closes #8239
Upstream-commit: 736847611a40c01e7c290407e22e2f0f5f8efd6a
Signed-off-by: Kamil Dudka <kdudka@redhat.com>
---
tests/runtests.pl | 7 +++++++
tests/server/getpart.c | 11 ++++++++++-
2 files changed, 17 insertions(+), 1 deletion(-)
diff --git a/tests/runtests.pl b/tests/runtests.pl
index 40315aa..2e1500d 100755
--- a/tests/runtests.pl
+++ b/tests/runtests.pl
@@ -3817,6 +3817,13 @@ sub singletest {
else {
# check against the data section
@reply = getpart("reply", "data");
+ if(@reply) {
+ my %hash = getpartattr("reply", "data");
+ if($hash{'nonewline'}) {
+ # cut off the final newline from the final line of the data
+ chomp($reply[$#reply]);
+ }
+ }
# get the mode attribute
my $filemode=$replyattr{'mode'};
if($filemode && ($filemode eq "text") && $has_textaware) {
diff --git a/tests/server/getpart.c b/tests/server/getpart.c
index 32b55bc..f8fe3f6 100644
--- a/tests/server/getpart.c
+++ b/tests/server/getpart.c
@@ -5,7 +5,7 @@
* | (__| |_| | _ <| |___
* \___|\___/|_| \_\_____|
*
- * Copyright (C) 1998 - 2017, Daniel Stenberg, <daniel@haxx.se>, et al.
+ * Copyright (C) 1998 - 2022, Daniel Stenberg, <daniel@haxx.se>, et al.
*
* This software is licensed as described in the file COPYING, which
* you should have received as part of this distribution. The terms
@@ -295,6 +295,7 @@ int getpart(char **outbuf, size_t *outlen,
size_t outalloc = 256;
int in_wanted_part = 0;
int base64 = 0;
+ int nonewline = 0;
int error;
enum {
@@ -360,6 +361,8 @@ int getpart(char **outbuf, size_t *outlen,
if(error)
return error;
}
+ if(nonewline)
+ (*outlen)--;
break;
}
}
@@ -377,6 +380,8 @@ int getpart(char **outbuf, size_t *outlen,
if(error)
return error;
}
+ if(nonewline)
+ (*outlen)--;
break;
}
}
@@ -451,6 +456,10 @@ int getpart(char **outbuf, size_t *outlen,
/* bit rough test, but "mostly" functional, */
/* treat wanted part data as base64 encoded */
base64 = 1;
+ if(strstr(patt, "nonewline=")) {
+ show(("* setting nonewline\n"));
+ nonewline = 1;
+ }
}
continue;
}
--
2.39.1
From bc5fc958b017895728962c9d44c469418cbec1a0 Mon Sep 17 00:00:00 2001
From: Patrick Monnerat <patrick@monnerat.net>
Date: Mon, 13 Feb 2023 08:33:09 +0100
Subject: [PATCH 2/2] content_encoding: do not reset stage counter for each
header
Test 418 verifies
Closes #10492
Upstream-commit: 119fb187192a9ea13dc90d9d20c215fc82799ab9
Signed-off-by: Kamil Dudka <kdudka@redhat.com>
---
lib/content_encoding.c | 7 +-
lib/urldata.h | 1 +
tests/data/Makefile.inc | 1 +
tests/data/test387 | 2 +-
tests/data/test418 | 152 ++++++++++++++++++++++++++++++++++++++++
5 files changed, 158 insertions(+), 5 deletions(-)
create mode 100644 tests/data/test418
diff --git a/lib/content_encoding.c b/lib/content_encoding.c
index bfc13e2..94344d6 100644
--- a/lib/content_encoding.c
+++ b/lib/content_encoding.c
@@ -944,7 +944,6 @@ CURLcode Curl_build_unencoding_stack(struct connectdata *conn,
{
struct Curl_easy *data = conn->data;
struct SingleRequest *k = &data->req;
- int counter = 0;
do {
const char *name;
@@ -979,9 +978,9 @@ CURLcode Curl_build_unencoding_stack(struct connectdata *conn,
if(!encoding)
encoding = &error_encoding; /* Defer error at stack use. */
- if(++counter >= MAX_ENCODE_STACK) {
- failf(data, "Reject response due to %u content encodings",
- counter);
+ if(k->writer_stack_depth++ >= MAX_ENCODE_STACK) {
+ failf(data, "Reject response due to more than %u content encodings",
+ MAX_ENCODE_STACK);
return CURLE_BAD_CONTENT_ENCODING;
}
/* Stack the unencoding stage. */
diff --git a/lib/urldata.h b/lib/urldata.h
index 5b4b34f..8c8c20b 100644
--- a/lib/urldata.h
+++ b/lib/urldata.h
@@ -539,6 +539,7 @@ struct SingleRequest {
struct curltime start; /* transfer started at this time */
struct curltime now; /* current time */
+ unsigned char writer_stack_depth; /* Unencoding stack depth. */
bool header; /* incoming data has HTTP header */
enum {
HEADER_NORMAL, /* no bad header at all */
diff --git a/tests/data/Makefile.inc b/tests/data/Makefile.inc
index fb51cd6..86b6f85 100644
--- a/tests/data/Makefile.inc
+++ b/tests/data/Makefile.inc
@@ -66,6 +66,7 @@ test393 test394 test395 \
\
test400 test401 test402 test403 test404 test405 test406 test407 test408 \
test409 \
+test418 \
\
test500 test501 test502 test503 test504 test505 test506 test507 test508 \
test509 test510 test511 test512 test513 test514 test515 test516 test517 \
diff --git a/tests/data/test387 b/tests/data/test387
index 015ec25..644fc7f 100644
--- a/tests/data/test387
+++ b/tests/data/test387
@@ -47,7 +47,7 @@ Accept: */*
61
</errorcode>
<stderr mode="text">
-curl: (61) Reject response due to 5 content encodings
+curl: (61) Reject response due to more than 5 content encodings
</stderr>
</verify>
</testcase>
diff --git a/tests/data/test418 b/tests/data/test418
new file mode 100644
index 0000000..50e974e
--- /dev/null
+++ b/tests/data/test418
@@ -0,0 +1,152 @@
+<testcase>
+<info>
+<keywords>
+HTTP
+gzip
+</keywords>
+</info>
+
+#
+# Server-side
+<reply>
+<data nocheck="yes">
+HTTP/1.1 200 OK
+Transfer-Encoding: gzip
+Transfer-Encoding: gzip
+Transfer-Encoding: gzip
+Transfer-Encoding: gzip
+Transfer-Encoding: gzip
+Transfer-Encoding: gzip
+Transfer-Encoding: gzip
+Transfer-Encoding: gzip
+Transfer-Encoding: gzip
+Transfer-Encoding: gzip
+Transfer-Encoding: gzip
+Transfer-Encoding: gzip
+Transfer-Encoding: gzip
+Transfer-Encoding: gzip
+Transfer-Encoding: gzip
+Transfer-Encoding: gzip
+Transfer-Encoding: gzip
+Transfer-Encoding: gzip
+Transfer-Encoding: gzip
+Transfer-Encoding: gzip
+Transfer-Encoding: gzip
+Transfer-Encoding: gzip
+Transfer-Encoding: gzip
+Transfer-Encoding: gzip
+Transfer-Encoding: gzip
+Transfer-Encoding: gzip
+Transfer-Encoding: gzip
+Transfer-Encoding: gzip
+Transfer-Encoding: gzip
+Transfer-Encoding: gzip
+Transfer-Encoding: gzip
+Transfer-Encoding: gzip
+Transfer-Encoding: gzip
+Transfer-Encoding: gzip
+Transfer-Encoding: gzip
+Transfer-Encoding: gzip
+Transfer-Encoding: gzip
+Transfer-Encoding: gzip
+Transfer-Encoding: gzip
+Transfer-Encoding: gzip
+Transfer-Encoding: gzip
+Transfer-Encoding: gzip
+Transfer-Encoding: gzip
+Transfer-Encoding: gzip
+Transfer-Encoding: gzip
+Transfer-Encoding: gzip
+Transfer-Encoding: gzip
+Transfer-Encoding: gzip
+Transfer-Encoding: gzip
+Transfer-Encoding: gzip
+Transfer-Encoding: gzip
+Transfer-Encoding: gzip
+Transfer-Encoding: gzip
+Transfer-Encoding: gzip
+Transfer-Encoding: gzip
+Transfer-Encoding: gzip
+Transfer-Encoding: gzip
+Transfer-Encoding: gzip
+Transfer-Encoding: gzip
+Transfer-Encoding: gzip
+Transfer-Encoding: gzip
+Transfer-Encoding: gzip
+Transfer-Encoding: gzip
+Transfer-Encoding: gzip
+Transfer-Encoding: gzip
+Transfer-Encoding: gzip
+Transfer-Encoding: gzip
+Transfer-Encoding: gzip
+Transfer-Encoding: gzip
+Transfer-Encoding: gzip
+Transfer-Encoding: gzip
+Transfer-Encoding: gzip
+Transfer-Encoding: gzip
+Transfer-Encoding: gzip
+Transfer-Encoding: gzip
+Transfer-Encoding: gzip
+Transfer-Encoding: gzip
+Transfer-Encoding: gzip
+Transfer-Encoding: gzip
+Transfer-Encoding: gzip
+Transfer-Encoding: gzip
+Transfer-Encoding: gzip
+Transfer-Encoding: gzip
+Transfer-Encoding: gzip
+Transfer-Encoding: gzip
+Transfer-Encoding: gzip
+Transfer-Encoding: gzip
+Transfer-Encoding: gzip
+Transfer-Encoding: gzip
+Transfer-Encoding: gzip
+Transfer-Encoding: gzip
+Transfer-Encoding: gzip
+Transfer-Encoding: gzip
+Transfer-Encoding: gzip
+Transfer-Encoding: gzip
+Transfer-Encoding: gzip
+Transfer-Encoding: gzip
+Transfer-Encoding: gzip
+Transfer-Encoding: gzip
+Transfer-Encoding: gzip
+
+-foo-
+</data>
+</reply>
+
+#
+# Client-side
+<client>
+<server>
+http
+</server>
+ <name>
+Response with multiple Transfer-Encoding headers
+ </name>
+ <command>
+http://%HOSTIP:%HTTPPORT/%TESTNUMBER -sS
+</command>
+</client>
+
+#
+# Verify data after the test has been "shot"
+<verify>
+<protocol>
+GET /%TESTNUMBER HTTP/1.1
+Host: %HOSTIP:%HTTPPORT
+User-Agent: curl/7.61.1
+Accept: */*
+
+</protocol>
+
+# CURLE_BAD_CONTENT_ENCODING is 61
+<errorcode>
+61
+</errorcode>
+<stderr mode="text">
+curl: (61) Reject response due to more than 5 content encodings
+</stderr>
+</verify>
+</testcase>
--
2.39.1
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