gstreamer1-plugins-good/CVE-2024-47602.patch
2024-12-18 15:08:03 +08:00

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From 8aa1c185cf47042a0cc624ae3ff5b0545455fedf Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Sebastian=20Dr=C3=B6ge?= <sebastian@centricular.com>
Date: Mon, 30 Sep 2024 18:25:53 +0300
Subject: [PATCH] matroskademux: Check for big enough WavPack codec private
data before accessing it
Thanks to Antonio Morales for finding and reporting the issue.
Fixes GHSL-2024-250
Fixes https://gitlab.freedesktop.org/gstreamer/gstreamer/-/issues/3866
Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/8057>
---
gst/matroska/matroska-demux.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/gst/matroska/matroska-demux.c b/gst/matroska/matroska-demux.c
index 2ed77b50d078..2a3df8b6c512 100644
--- a/gst/matroska/matroska-demux.c
+++ b/gst/matroska/matroska-demux.c
@@ -3894,6 +3894,11 @@ gst_matroska_demux_add_wvpk_header (GstElement * element,
guint8 *buf_data, *data;
Wavpack4Header wvh;
+ if (!stream->codec_priv || stream->codec_priv_size < 2) {
+ GST_ERROR_OBJECT (element, "No or too small wavpack codec private data");
+ return GST_FLOW_ERROR;
+ }
+
wvh.ck_id[0] = 'w';
wvh.ck_id[1] = 'v';
wvh.ck_id[2] = 'p';
--
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