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CVE-2021-3566 Affecting libavutil-devel package, versions <3.4.2-11.17.1

Severity

 Recommended
0.0
medium
0
10

Based on SUSE Linux Enterprise Server security rating

    Threat Intelligence

    EPSS
    0.09% (40th percentile)

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  • Snyk ID SNYK-SLES153-LIBAVUTILDEVEL-2662513
  • published 14 Apr 2022
  • disclosed 26 Oct 2021
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Introduced: 26 Oct 2021

CVE-2021-3566 Open this link in a new tab

How to fix?

Upgrade SLES:15.3 libavutil-devel to version 3.4.2-11.17.1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream libavutil-devel package and not the libavutil-devel package as distributed by SLES. See How to fix? for SLES:15.3 relevant fixed versions and status.

Prior to ffmpeg version 4.3, the tty demuxer did not have a 'read_probe' function assigned to it. By crafting a legitimate "ffconcat" file that references an image, followed by a file the triggers the tty demuxer, the contents of the second file will be copied into the output file verbatim (as long as the -vcodec copy option is passed to ffmpeg).

References

CVSS Scores

version 3.1
Expand this section

NVD

5.5 medium
  • Attack Vector (AV)
    Local
  • Attack Complexity (AC)
    Low
  • Privileges Required (PR)
    None
  • User Interaction (UI)
    Required
  • Scope (S)
    Unchanged
  • Confidentiality (C)
    High
  • Integrity (I)
    None
  • Availability (A)
    None
Expand this section

SUSE

4.4 medium