medium
6.8
CWE
20
Advisory Published
Updated

CVE-2012-0853: Input Validation

First published: Mon Aug 20 2012(Updated: )

The decodeTonalComponents function in the Actrac3 codec (atrac3.c) in libavcodec in FFmpeg 0.7.x before 0.7.12, and 0.8.x before 0.8.11; and in Libav 0.5.x before 0.5.9, 0.6.x before 0.6.6, 0.7.x before 0.7.5, and 0.8.x before 0.8.1 allows remote attackers to cause a denial of service (infinite loop and crash) and possibly execute arbitrary code via a large component count in an Atrac 3 file.

Credit: secalert@redhat.com

Affected SoftwareAffected VersionHow to fix
FFmpeg=0.7
FFmpeg=0.7.1
FFmpeg=0.7.2
FFmpeg=0.7.3
FFmpeg=0.7.6
FFmpeg=0.7.7
FFmpeg=0.7.8
FFmpeg=0.7.9
FFmpeg=0.7.11
FFmpeg=0.8.0
FFmpeg=0.8.1
FFmpeg=0.8.2
FFmpeg=0.8.5
FFmpeg=0.8.6
FFmpeg=0.8.7
FFmpeg=0.8.8
FFmpeg=0.8.10
libavutil=0.5
libavutil=0.5.1
libavutil=0.5.2
libavutil=0.5.3
libavutil=0.5.4
libavutil=0.5.5
libavutil=0.5.6
libavutil=0.5.7
libavutil=0.6
libavutil=0.6.1
libavutil=0.6.2
libavutil=0.6.3
libavutil=0.6.4
libavutil=0.6.5
libavutil=0.7
libavutil=0.7-beta1
libavutil=0.7-beta2
libavutil=0.7.1
libavutil=0.7.2
libavutil=0.7.3
libavutil=0.7.4
libavutil=0.8
libavutil=0.8-beta2

Remedy

http://git.libav.org/?p=libav.git;a=commit;h=c509f4f74713b035a06f79cb4d00e708f5226bc5

Remedy

http://git.videolan.org/?p=ffmpeg.git;a=commitdiff;h=9af6abdc17deb95c9b1f1d9242ba49b8b5e0b016

Remedy

http://git.videolan.org/?p=ffmpeg.git;a=commitdiff;h=c509f4f74713b035a06f79cb4d00e708f5226bc5

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Reference Links

Frequently Asked Questions

  • What is the severity of CVE-2012-0853?

    CVE-2012-0853 is classified as a denial of service vulnerability that can result in an infinite loop.

  • How do I fix CVE-2012-0853?

    To fix CVE-2012-0853, update your FFmpeg and Libav versions to the specified patched releases, that is FFmpeg 0.7.12 or 0.8.11 and Libav 0.5.9, 0.6.6, 0.7.5, or 0.8.1.

  • Which software versions are affected by CVE-2012-0853?

    CVE-2012-0853 affects FFmpeg versions 0.7.x before 0.7.12 and 0.8.x before 0.8.11, as well as certain Libav versions.

  • What causes the vulnerability described in CVE-2012-0853?

    The vulnerability in CVE-2012-0853 is caused by a flaw in the decodeTonalComponents function within the Actrac3 codec.

  • Can CVE-2012-0853 be exploited remotely?

    Yes, CVE-2012-0853 can be exploited by remote attackers, allowing them to trigger the denial of service condition.

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