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Ship these also as part of the monorepo, so we can prepare new advisories as part of the relevant merge requests in the private gstreamer-security repository. Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/7610>
58 lines
2.8 KiB
Markdown
58 lines
2.8 KiB
Markdown
# Security Advisory 2016-0002 (CVE-2016-9634, CVE-2016-9635, CVE-2016-9636, CVE-2016-9807)
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<div class="vertical-table">
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| ----------------- | --- |
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| Summary | Multiple Issues in FLC/FLI/FLX Decoder |
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| Date | 2016-11-23 03:00 |
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| Affected Versions | GStreamer gst-plugins-bad 1.10 < 1.10.2<br/>GStreamer gst-plugins-bad 1.x <= 1.8.3 |
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| IDs | GStreamer-SA-2016-0002<br/>CVE-2016-9634<br/>CVE-2016-9635<br/>CVE-2016-9636<br/>CVE-2016-9807 |
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</div>
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## Details
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The decoder for the FLC/FLI/FLX animation video formats in gst-plugins-good contains various out-of-bounds writes and reads and fails to initialize output frame memory.
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## Impact
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If successful, a malicious third party could trigger either a crash in an application decoding a FLC/FLI/FLX video stream or an arbitrary code execution with the privileges of the target user. The failure to initialize output memory may result in an information leak.
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## Threat Mitigation
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Exploitation requires the user to access an FLC/FLI/FLX stream or file.
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## Workarounds
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The user should refrain from opening files from untrusted third parties or accessing untrusted remote sites, or disable the FLC/FLI/FLX decoder plugin by removing the plugin binary file libgstflxdec.so or libgstflxdec.dll.
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## Solution
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The gst-plugins-bad 1.10.2 release addresses the issue. The upcoming gst-plugins-bad 1.8.4 release will also address the issue. People using older branches of GStreamer should apply the patch and recompile or disable the FLC/FLI/FLX plugin.
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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-2016-9634](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-9634)
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- [CVE-2016-9635](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-9635)
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- [CVE-2016-9636](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-9636)
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- [CVE-2016-9807](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-9807)
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### GStreamer Bugzilla Entries
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- [Bug 774834](https://bugzilla.gnome.org/show_bug.cgi?id=774834)
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- [Bug 774859](https://bugzilla.gnome.org/show_bug.cgi?id=774859)
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### GStreamer Patches
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- [Patch 1](https://cgit.freedesktop.org/gstreamer/gst-plugins-good/commit/?id=bf43f44fcfada5ec4a3ce60cb374340486fe9fac)
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- [Patch 2](https://cgit.freedesktop.org/gstreamer/gst-plugins-good/commit/?id=fec77de8cbb0c8192b77aff2e563705ba421f2f2)
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- [Patch 3](https://cgit.freedesktop.org/gstreamer/gst-plugins-good/commit/?id=45dcd0b9ccf33ed85cdafeb871a3781f5be57fd9)
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- [Patch 4](https://cgit.freedesktop.org/gstreamer/gst-plugins-good/commit/?id=153a8ae752c90d07190ef45803422a4f71ea8bff)
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- [Patch 5](https://cgit.freedesktop.org/gstreamer/gst-plugins-good/commit/?id=96aaf889afe90b5e02ec756af5c6c7000d2cc424)
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