libsoup: fix CVE-2025-32914

Refer:
https://gitlab.gnome.org/GNOME/libsoup/-/issues/436

(From OE-Core rev: 323ee2ba9008eb1bdcd1082ca2a8952e30a8e333)

Signed-off-by: Changqing Li <changqing.li@windriver.com>
Signed-off-by: Steve Sakoman <steve@sakoman.com>

2 files changed, 114 insertions, 1 deletions

diff --git a/meta/recipes-support/libsoup/libsoup/CVE-2025-32914.patch b/meta/recipes-support/libsoup/libsoup/CVE-2025-32914.patch
new file mode 100644
index 0000000000..c899347ebf
--- /dev/null
+++ b/meta/recipes-support/libsoup/libsoup/CVE-2025-32914.patch
@@ -0,0 +1,112 @@
+From 020d19f22b7e55f44febd17e237982665323e0bc Mon Sep 17 00:00:00 2001
+From: Milan Crha <mcrha@redhat.com>
+Date: Tue, 15 Apr 2025 09:03:00 +0200
+Subject: [PATCH] multipart: Fix read out of buffer bounds under
+ soup_multipart_new_from_message()
+
+This is CVE-2025-32914, special crafted input can cause read out of buffer bounds
+of the body argument.
+
+Closes #436
+
+CVE: CVE-2025-32914
+Upstream-Status: Backport [https://gitlab.gnome.org/GNOME/libsoup/-/merge_requests/450/diffs?commit_id=5bfcf8157597f2d327050114fb37ff600004dbcf]
+
+Signed-off-by: Changqing Li <changqing.li@windriver.com>
+---
+ libsoup/soup-multipart.c |  2 +-
+ tests/multipart-test.c   | 58 ++++++++++++++++++++++++++++++++++++++++
+ 2 files changed, 59 insertions(+), 1 deletion(-)
+
+diff --git a/libsoup/soup-multipart.c b/libsoup/soup-multipart.c
+index 2421c91..102ce37 100644
+--- a/libsoup/soup-multipart.c
++++ b/libsoup/soup-multipart.c
+@@ -173,7 +173,7 @@ soup_multipart_new_from_message (SoupMessageHeaders *headers,
+                        return NULL;
+                }
+ 
+-               split = strstr (start, "\r\n\r\n");
++               split = g_strstr_len (start, body_end - start, "\r\n\r\n");
+                if (!split || split > end) {
+                        soup_multipart_free (multipart);
+                        return NULL;
+diff --git a/tests/multipart-test.c b/tests/multipart-test.c
+index 2c0e7e9..f5b9868 100644
+--- a/tests/multipart-test.c
++++ b/tests/multipart-test.c
+@@ -471,6 +471,62 @@ test_multipart (gconstpointer data)
+        loop = NULL;
+ }
+ 
++static void
++test_multipart_bounds_good (void)
++{
++       #define TEXT "line1\r\nline2"
++       SoupMultipart *multipart;
++       SoupMessageHeaders *headers, *set_headers = NULL;
++       GBytes *bytes, *set_bytes = NULL;
++       const char *raw_data = "--123\r\nContent-Type: text/plain;\r\n\r\n" TEXT "\r\n--123--\r\n";
++       gboolean success;
++
++       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);
++       g_assert_cmpint (soup_multipart_get_length (multipart), ==, 1);
++       success = soup_multipart_get_part (multipart, 0, &set_headers, &set_bytes);
++       g_assert_true (success);
++       g_assert_nonnull (set_headers);
++       g_assert_nonnull (set_bytes);
++       g_assert_cmpint (strlen (TEXT), ==, g_bytes_get_size (set_bytes));
++       g_assert_cmpstr ("text/plain", ==, soup_message_headers_get_content_type (set_headers, NULL));
++       g_assert_cmpmem (TEXT, strlen (TEXT), g_bytes_get_data (set_bytes, NULL), g_bytes_get_size (set_bytes));
++
++       soup_message_headers_unref (headers);
++       g_bytes_unref (bytes);
++
++       soup_multipart_free (multipart);
++
++       #undef TEXT
++}
++
++static void
++test_multipart_bounds_bad (void)
++{
++       SoupMultipart *multipart;
++       SoupMessageHeaders *headers;
++       GBytes *bytes;
++       const char *raw_data = "--123\r\nContent-Type: text/plain;\r\nline1\r\nline2\r\n--123--\r\n";
++
++       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));
++
++       /* it did read out of raw_data/bytes bounds */
++       multipart = soup_multipart_new_from_message (headers, bytes);
++       g_assert_null (multipart);
++
++       soup_message_headers_unref (headers);
++       g_bytes_unref (bytes);
++}
++
+ int
+ main (int argc, char **argv)
+ {
+@@ -498,6 +554,8 @@ main (int argc, char **argv)
+        g_test_add_data_func ("/multipart/sync", GINT_TO_POINTER (SYNC_MULTIPART), test_multipart);
+        g_test_add_data_func ("/multipart/async", GINT_TO_POINTER (ASYNC_MULTIPART), test_multipart);
+        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);
+ 
+        ret = g_test_run ();
+ 
+-- 
+2.34.1
+
diff --git a/meta/recipes-support/libsoup/libsoup_3.6.5.bb b/meta/recipes-support/libsoup/libsoup_3.6.5.bb
index fbe9a79b0f..2faf50c223 100644
--- a/meta/recipes-support/libsoup/libsoup_3.6.5.bb
+++ b/meta/recipes-support/libsoup/libsoup_3.6.5.bb
@@ -11,7 +11,8 @@ DEPENDS = "glib-2.0 glib-2.0-native libxml2 sqlite3 libpsl nghttp2"
 
 SHRT_VER = "${@d.getVar('PV').split('.')[0]}.${@d.getVar('PV').split('.')[1]}"
 
-SRC_URI = "${GNOME_MIRROR}/libsoup/${SHRT_VER}/libsoup-${PV}.tar.xz"
+SRC_URI = "${GNOME_MIRROR}/libsoup/${SHRT_VER}/libsoup-${PV}.tar.xz \
+           file://CVE-2025-32914.patch"
 SRC_URI[sha256sum] = "6891765aac3e949017945c3eaebd8cc8216df772456dc9f460976fbdb7ada234"
 
 PROVIDES = "libsoup-3.0"