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libsoup-3.4.4: Fix CVE-2025-4969

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Upstream-Status: Backport from https://gitlab.gnome.org/GNOME/libsoup/-/commit/07b94e27afafebf31ef3cd868866a1e383750086

(From OE-Core rev: 9716cdacb4378e0274246c39c5fb808e4d86b4ce)

Signed-off-by: Hitendra Prajapati <hprajapati@mvista.com>
Signed-off-by: Steve Sakoman <steve@sakoman.com>
This commit is contained in:
Hitendra Prajapati
2025-05-28 11:11:10 +05:30
committed by Steve Sakoman
parent fde1131108
commit edc0010d0d
2 changed files with 77 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files
meta/recipes-support/libsoup/libsoup-3.4.4/CVE-2025-4969.patch
+76
View File
@@ -0,0 +1,76 @@
From 07b94e27afafebf31ef3cd868866a1e383750086 Mon Sep 17 00:00:00 2001
From: Milan Crha <mcrha@redhat.com>
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
Upstream-Status: Backport [https://gitlab.gnome.org/GNOME/libsoup/-/commit/07b94e27afafebf31ef3cd868866a1e383750086]
CVE: CVE-2025-4969
Signed-off-by: Hitendra Prajapati <hprajapati@mvista.com>
---
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 102ce37..e1c442e 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 ab5f41c..84852e2 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);
+}
+
int
main (int argc, char **argv)
{
@@ -556,6 +577,7 @@ 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);
ret = g_test_run ();
--
2.49.0
meta/recipes-support/libsoup/libsoup_3.4.4.bb
+1
View File
@@ -31,6 +31,7 @@ SRC_URI = "${GNOME_MIRROR}/libsoup/${SHRT_VER}/libsoup-${PV}.tar.xz \
file://CVE-2025-46420.patch \
file://CVE-2025-32914.patch \
file://CVE-2025-4476.patch \
file://CVE-2025-4969.patch \
"
SRC_URI[sha256sum] = "291c67725f36ed90ea43efff25064b69c5a2d1981488477c05c481a3b4b0c5aa"