CVE-2024-47834: GHSL-2024-280: Gstreamer Use-After-Free read in Matroska CodecPrivate
First published: Wed Dec 11 2024(Updated: )
GStreamer is a library for constructing graphs of media-handling components. An Use-After-Free read vulnerability has been discovered affecting the processing of CodecPrivate elements in Matroska streams. In the GST_MATROSKA_ID_CODECPRIVATE case within the gst_matroska_demux_parse_stream function, a data chunk is allocated using gst_ebml_read_binary. Later, the allocated memory is freed in the gst_matroska_track_free function, by the call to g_free (track->codec_priv). Finally, the freed memory is accessed in the caps_serialize function through gst_value_serialize_buffer. The freed memory will be accessed in the gst_value_serialize_buffer function. This results in a UAF read vulnerability, as the function tries to process memory that has already been freed. This vulnerability is fixed in 1.24.10.
Credit: security-advisories@github.com security-advisories@github.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Gstreamer Project Gstreamer | <1.24.10 | |
| debian/gst-plugins-good1.0 | <=1.18.4-2+deb11u2<=1.22.0-5+deb12u1 | 1.22.0-5+deb12u2 1.24.10-1 |
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Reference Links
- https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/8057.patch
- https://gstreamer.freedesktop.org/security/sa-2024-0030.html
- https://securitylab.github.com/advisories/GHSL-2024-280_Gstreamer/
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2024-47834
- https://nvd.nist.gov/vuln/detail/CVE-2024-47834
- https://launchpad.net/bugs/cve/CVE-2024-47834
- https://security-tracker.debian.org/tracker/CVE-2024-47834
- https://ubuntu.com/security/CVE-2024-47834
- https://gitlab.freedesktop.org/gstreamer/gstreamer/-/issues/3863
- https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/8057
- https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/8058
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