[AutoPR- Security] Patch libsoup for CVE-2025-4969 [MEDIUM] (microsoft#14490)

Co-authored-by: kgodara912 <[email protected]>

Author: azurelinux-security

SPECS/libsoup/CVE-2025-4969.patch

@@ -0,0 +1,75 @@
+From 41e93c07278ce3d2f353c396045d757a7c4ed824 Mon Sep 17 00:00:00 2001
+From: Milan Crha <[email protected]>
+Date: Mon, 19 May 2025 17:48:27 +0200
+Subject: [PATCH] soup-multipart: Verify array bounds before accessing its
+ members
+
+The boundary could be at a place which, calculated, pointed
+before the beginning of the array. Check the bounds, to avoid
+read out of the array bounds.
+
+Closes https://gitlab.gnome.org/GNOME/libsoup/-/issues/447
+
+Signed-off-by: Azure Linux Security Servicing Account <[email protected]>
+Upstream-reference: https://gitlab.gnome.org/GNOME/libsoup/-/merge_requests/467.patch
+---
+ libsoup/soup-multipart.c |  2 +-
+ tests/multipart-test.c   | 22 ++++++++++++++++++++++
+ 2 files changed, 23 insertions(+), 1 deletion(-)
+
+diff --git a/libsoup/soup-multipart.c b/libsoup/soup-multipart.c
+index a587fe7..27257e4 100644
+--- a/libsoup/soup-multipart.c
++++ b/libsoup/soup-multipart.c
+@@ -104,7 +104,7 @@ find_boundary (const char *start, const char *end,
+ 			continue;
+ 
+ 		/* Check that it's at start of line */
+-		if (!(b == start || (b[-1] == '\n' && b[-2] == '\r')))
++		if (!(b == start || (b - start >= 2 && b[-1] == '\n' && b[-2] == '\r')))
+ 			continue;
+ 
+ 		/* Check for "--" or "\r\n" after boundary */
+diff --git a/tests/multipart-test.c b/tests/multipart-test.c
+index a3a0b36..b07e4db 100644
+--- a/tests/multipart-test.c
++++ b/tests/multipart-test.c
+@@ -527,6 +527,27 @@ test_multipart_bounds_bad (void)
+ 	g_bytes_unref (bytes);
+ }
+ 
++static void
++test_multipart_bounds_bad_2 (void)
++{
++	SoupMultipart *multipart;
++	SoupMessageHeaders *headers;
++	GBytes *bytes;
++	const char *raw_data = "\n--123\r\nline\r\n--123--\r";
++
++	headers = soup_message_headers_new (SOUP_MESSAGE_HEADERS_MULTIPART);
++	soup_message_headers_append (headers, "Content-Type", "multipart/mixed; boundary=\"123\"");
++
++	bytes = g_bytes_new (raw_data, strlen (raw_data));
++
++	multipart = soup_multipart_new_from_message (headers, bytes);
++	g_assert_nonnull (multipart);
++
++	soup_multipart_free (multipart);
++	soup_message_headers_unref (headers);
++	g_bytes_unref (bytes);
++}
++
+ static void
+ test_multipart_too_large (void)
+ {
+@@ -595,6 +616,7 @@ main (int argc, char **argv)
+ 	g_test_add_data_func ("/multipart/async-small-reads", GINT_TO_POINTER (ASYNC_MULTIPART_SMALL_READS), test_multipart);
+ 	g_test_add_func ("/multipart/bounds-good", test_multipart_bounds_good);
+ 	g_test_add_func ("/multipart/bounds-bad", test_multipart_bounds_bad);
++	g_test_add_func ("/multipart/bounds-bad-2", test_multipart_bounds_bad_2);
+ 	g_test_add_func ("/multipart/too-large", test_multipart_too_large);
+ 
+ 	ret = g_test_run ();
+-- 
+2.45.4
+

SPECS/libsoup/libsoup.spec

@@ -4,7 +4,7 @@
 Summary:        libsoup HTTP client/server library
 Name:           libsoup
 Version:        3.4.4
-Release:        8%{?dist}
+Release:        9%{?dist}
 License:        GPLv2
 Vendor:         Microsoft Corporation
 Distribution:   Azure Linux
@@ -66,6 +66,7 @@ Patch16:         CVE-2025-32053.patch
 Patch17:         CVE-2025-4476.patch
 Patch18:         CVE-2025-32907.patch
 Patch19:         CVE-2025-4948.patch
+Patch20:         CVE-2025-4969.patch
 
 %description
 libsoup is HTTP client/server library for GNOME
@@ -133,6 +134,9 @@ find %{buildroot} -type f -name "*.la" -delete -print
 %defattr(-,root,root)
 
 %changelog
+* Tue Aug 12 2025 Azure Linux Security Servicing Account <[email protected]> - 3.4.4-9
+- Patch for CVE-2025-4969
+
 * Tue Jul 29 2025 Azure Linux Security Servicing Account <[email protected]> - 3.4.4-8
 - Patch for CVE-2025-4948