Input validation error in FFmpeg



Risk High
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2012-2790
CWE-ID CWE-20
Exploitation vector Network
Public exploit N/A
Vulnerable software
 FFmpeg
Universal components / Libraries / Libraries used by multiple products

Vendor ffmpeg.sourceforge.net

Security Bulletin

This security bulletin contains one high risk vulnerability.

1) Input validation error

EUVDB-ID: #VU43591

Risk: High

CVSSv4.0: 6.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2012-2790

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows a remote non-authenticated attacker to execute arbitrary code.

Unspecified vulnerability in the read_var_block_data function in libavcodec/alsdec.c in FFmpeg before 0.11, and Libav 0.7.x before 0.7.7 and 0.8.x before 0.8.4, has unknown impact and attack vectors, related to the "number of decoded samples in first sub-block in BGMC mode."

Mitigation

Install update from vendor's website.

Vulnerable software versions

FFmpeg: 0.3 - 0.10.3

CPE2.3 External links

https://ffmpeg.org/security.html
https://git.videolan.org/?p=ffmpeg.git;a=commitdiff;h=2837d8dc276760db1821b81df3f794a90bfa56e6
https://libav.org/releases/libav-0.7.7.changelog
https://libav.org/releases/libav-0.8.4.changelog
https://secunia.com/advisories/50468
https://secunia.com/advisories/51257
https://www.mandriva.com/security/advisories?name=MDVSA-2013:079
https://www.openwall.com/lists/oss-security/2012/08/31/3
https://www.openwall.com/lists/oss-security/2012/09/02/4
https://www.securityfocus.com/bid/55355


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.



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