CVE-2012-0823: Input Validation

Published Feb 23, 2012
·
Updated

VP8 Codec SDK (libvpx) before 1.0.0 "Duclair" allows remote attackers to cause a denial of service (application crash) via (1) unspecified "corrupt input" or (2) by "starting decoding from a P-frame," which triggers an out-of-bounds read, related to "the clamping of motion vectors in SPLITMV blocks".

Affected Software

7 affected components
webmproject libvpx<=0.9.7
webmproject libvpx=0.9.0
webmproject libvpx=0.9.1
webmproject libvpx=0.9.2
webmproject libvpx=0.9.5
webmproject libvpx=0.9.6
webmproject libvpx=0.9.7

Event History

Feb 23, 2012
CVE Published
via MITRE·07:00 PM
Data Sourced
via MITRE·07:00 PM
Description
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Frequently Asked Questions

1

What is the severity of CVE-2012-0823?

CVE-2012-0823 is classified as a denial of service vulnerability that can lead to application crashes.

2

How do I fix CVE-2012-0823?

To mitigate CVE-2012-0823, upgrade the VP8 Codec SDK (libvpx) to version 1.0.0 or later.

3

Which versions of libvpx are affected by CVE-2012-0823?

CVE-2012-0823 affects libvpx versions prior to 1.0.0, specifically from 0.9.0 to 0.9.7.

4

What types of attacks can CVE-2012-0823 enable?

CVE-2012-0823 can allow attackers to cause denial of service through corrupt input or by starting decoding from a P-frame.

5

Is CVE-2012-0823 a local or remote vulnerability?

CVE-2012-0823 is a remote vulnerability that can be exploited by attackers over a network.

Contact

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