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44 lines
1.4 KiB
Markdown
44 lines
1.4 KiB
Markdown
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# Security Advisory 2021-0002 (CVE-2021-3497)
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<div class="vertical-table">
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| ----------------- | --- |
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| Summary | Use-after-free in matroska demuxing |
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| Date | 2021-03-15 16:00 |
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| Affected Versions | GStreamer gst-plugins-good 1.x <= 1.18.3, 0.10.x > 0.10.8 |
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| IDs | GStreamer-SA-2021-0002<br/>CVE-2021-3497 |
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</div>
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## Details
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GStreamer before 1.18.4 might access already-freed memory in error code paths when demuxing certain malformed Matroska files.
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## Impact
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It might be possible for a malicious third party to trigger a crash in the application, but possibly also an arbitrary code execution with the privileges of the target user.
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## Solution
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The gst-plugins-good 1.18.4 release addresses the issue. People using older branches of GStreamer should apply the patch and recompile.
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## References
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### The GStreamer project
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- [https://gstreamer.freedesktop.org](https://gstreamer.freedesktop.org)
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### CVE Database Entries
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- [CVE-2021-3497](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-3497)
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### GStreamer 1.18.4 release
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- [Release Notes](/releases/1.18/#1.18.4)
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- [GStreamer Plugins Good 1.18.4](/src/gst-plugins-good/gst-plugins-good-1.18.4.tar.xz)
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### Patches
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- [Patch](https://gitlab.freedesktop.org/gstreamer/gst-plugins-good/-/commit/9181191511f9c0be6a89c98b311f49d66bd46dc3?merge_request_id=903)
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