44 lines
1.4 KiB
Diff
44 lines
1.4 KiB
Diff
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From 455393ef0f2bb0a49c5bf32ef208af914c44e806 Mon Sep 17 00:00:00 2001
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From: =?UTF-8?q?Sebastian=20Dr=C3=B6ge?= <sebastian@centricular.com>
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Date: Mon, 30 Sep 2024 18:25:53 +0300
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Subject: [PATCH 3/7] matroskademux: Check for big enough WavPack codec private
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data before accessing it
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Thanks to Antonio Morales for finding and reporting the issue.
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Fixes GHSL-2024-250
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Fixes https://gitlab.freedesktop.org/gstreamer/gstreamer/-/issues/3866
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Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/8108>
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CVE: CVE-2024-47597
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CVE: CVE-2024-47601
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CVE: CVE-2024-47602
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CVE: CVE-2024-47603
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CVE: CVE-2024-47834
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Upstream-Status: Backport [https://gitlab.freedesktop.org/gstreamer/gstreamer/-/commit/455393ef0f2bb0a49c5bf32ef208af914c44e806]
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Signed-off-by: Peter Marko <peter.marko@siemens.com>
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---
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gst/matroska/matroska-demux.c | 5 +++++
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1 file changed, 5 insertions(+)
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diff --git a/gst/matroska/matroska-demux.c b/gst/matroska/matroska-demux.c
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index 583fbbe6e6..91e66fefc3 100644
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--- a/gst/matroska/matroska-demux.c
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+++ b/gst/matroska/matroska-demux.c
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@@ -3888,6 +3888,11 @@ gst_matroska_demux_add_wvpk_header (GstElement * element,
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guint8 *buf_data, *data;
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Wavpack4Header wvh;
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+ if (!stream->codec_priv || stream->codec_priv_size < 2) {
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+ GST_ERROR_OBJECT (element, "No or too small wavpack codec private data");
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+ return GST_FLOW_ERROR;
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+ }
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+
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wvh.ck_id[0] = 'w';
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wvh.ck_id[1] = 'v';
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wvh.ck_id[2] = 'p';
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--
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2.30.2
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