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libsoup: Fix CVE-2025-32914

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Upstream-Status: Backport
[5bfcf81575]

(From OE-Core rev: 6dd125b619974c8102b3050900781c22c2db4b10)

Signed-off-by: Vijay Anusuri <vanusuri@mvista.com>
Signed-off-by: Steve Sakoman <steve@sakoman.com>
This commit is contained in:
Vijay Anusuri 2025-05-08 14:48:36 +05:30 committed by Steve Sakoman
parent 86ea2699ac
commit c418c7ec51
2 changed files with 112 additions and 0 deletions
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111
meta/recipes-support/libsoup/libsoup-3.4.4/CVE-2025-32914.patch Normal file
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@ -0,0 +1,111 @@
From 5bfcf8157597f2d327050114fb37ff600004dbcf 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
Upstream-Status: Backport [https://gitlab.gnome.org/GNOME/libsoup/-/commit/5bfcf8157597f2d327050114fb37ff600004dbcf]
CVE: CVE-2025-32914
Signed-off-by: Vijay Anusuri <vanusuri@mvista.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 2421c91f8..102ce3722 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 2c0e7e969..f5b986889 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 ();
--
GitLab

1
meta/recipes-support/libsoup/libsoup_3.4.4.bb
View File

@ -29,6 +29,7 @@ SRC_URI = "${GNOME_MIRROR}/libsoup/${SHRT_VER}/libsoup-${PV}.tar.xz \
file://CVE-2025-32906-1.patch \ file://CVE-2025-32906-1.patch \
file://CVE-2025-32906-2.patch \ file://CVE-2025-32906-2.patch \
file://CVE-2025-46420.patch \ file://CVE-2025-46420.patch \
file://CVE-2025-32914.patch \
" "
SRC_URI[sha256sum] = "291c67725f36ed90ea43efff25064b69c5a2d1981488477c05c481a3b4b0c5aa" SRC_URI[sha256sum] = "291c67725f36ed90ea43efff25064b69c5a2d1981488477c05c481a3b4b0c5aa"