medium
6.8
CWE
20
Advisory Published
CVE Published
Updated

CVE-2011-3952: Input Validation

First published: Mon Aug 20 2012(Updated: )

The decode_init function in kmvc.c in libavcodec in FFmpeg before 0.10 and in Libav 0.5.x before 0.5.9, 0.6.x before 0.6.6, 0.7.x before 0.7.6, and 0.8.x before 0.8.1 allows remote attackers to cause a denial of service (application crash) and possibly execute arbitrary code via a large palette size in a KMVC encoded file.

Credit: cve-coordination@google.com

Affected SoftwareAffected VersionHow to fix
FFmpeg<=0.9.1
FFmpeg=0.3
FFmpeg=0.3.1
FFmpeg=0.3.2
FFmpeg=0.3.3
FFmpeg=0.3.4
FFmpeg=0.4.0
FFmpeg=0.4.2
FFmpeg=0.4.3
FFmpeg=0.4.4
FFmpeg=0.4.5
FFmpeg=0.4.6
FFmpeg=0.4.7
FFmpeg=0.4.8
FFmpeg=0.4.9
FFmpeg=0.4.9-pre1
FFmpeg=0.5
FFmpeg=0.5.1
FFmpeg=0.5.2
FFmpeg=0.5.3
FFmpeg=0.5.4
FFmpeg=0.6
FFmpeg=0.6.1
FFmpeg=0.6.2
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=0.7.12
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
FFmpeg=0.8.11
FFmpeg=0.9
Libav=0.5
Libav=0.5.1
Libav=0.5.2
Libav=0.5.3
Libav=0.6
Libav=0.6.1
Libav=0.6.2
Libav=0.6.3
Libav=0.7
Libav=0.7-beta1
Libav=0.7-beta2
Libav=0.7.1
Libav=0.7.2
Libav=0.7.3
Libav=0.7.4
Libav=0.7.5
Libav=0.8
Libav=0.8-beta2

Remedy

http://git.libav.org/?p=libav.git;a=commit;h=386741f887714d3e46c9e8fe577e326a7964037b

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Reference Links

Frequently Asked Questions

  • What is the severity of CVE-2011-3952?

    CVE-2011-3952 is classified as a denial of service vulnerability, which could potentially lead to application crashes.

  • How do I fix CVE-2011-3952?

    To fix CVE-2011-3952, upgrade FFmpeg or Libav to versions that are above the vulnerable versions specified in the CVE details.

  • What versions of FFmpeg are affected by CVE-2011-3952?

    FFmpeg versions before 0.10 and specific vulnerable versions up to 0.9.1 are affected by CVE-2011-3952.

  • What versions of Libav are affected by CVE-2011-3952?

    Libav versions before 0.5.9, 0.6.6, 0.7.6, and 0.8.1 are affected by CVE-2011-3952.

  • What type of attack can exploit CVE-2011-3952?

    CVE-2011-3952 can be exploited by remote attackers to cause application crashes or potentially execute arbitrary code.

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