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Secunia Security Advisory 36760

Secunia Security Advisory 36760
Posted Sep 16, 2009
Authored by Secunia | Site secunia.com

Secunia Security Advisory - A vulnerability has been discovered in FFmpeg, which can be exploited by malicious people to compromise an application using the library.

tags | advisory
SHA-256 | 036f8f3f28f5fb7b4446f80066ca7128e72d433bba4936ca0acdcb891bd3e9b1

Secunia Security Advisory 36760

Change Mirror Download
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(Vulnerability Assessment Remediation Management)

If not, then implement it through the most reliable vulnerability
intelligence source on the market.

Implement it through Secunia.

For more information visit:
http://secunia.com/advisories/business_solutions/

Alternatively request a call from a Secunia representative today to
discuss how we can help you with our capabilities contact us at:
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TITLE:
FFmpeg "vmd_read_header()" Integer Overflow Vulnerability

SECUNIA ADVISORY ID:
SA36760

VERIFY ADVISORY:
http://secunia.com/advisories/36760/

DESCRIPTION:
A vulnerability has been discovered in FFmpeg, which can be exploited
by malicious people to compromise an application using the library.

The vulnerability is caused due to an integer overflow error within
the "vmd_read_header()" function in libavformat/sierravmd.c. This can
be exploited to cause a heap-based buffer overflow via a specially
crafted VMD file.

Successful exploitation may allow execution of arbitrary code.

The vulnerability is confirmed in version 0.5. Other versions may
also be affected.

SOLUTION:
Do not process untrusted files using the library.

PROVIDED AND/OR DISCOVERED BY:
Reported via a GIT commit attempting to fix the vulnerability.

Additional information about the incomplete patch provided by Secunia
Research.

ORIGINAL ADVISORY:
http://git.ffmpeg.org/?p=ffmpeg;a=commit;h=ebbccbaa5e925c2ddb212559f82c29ef526cc17e

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About:
This Advisory was delivered by Secunia as a free service to help
everybody keeping their systems up to date against the latest
vulnerabilities.

Subscribe:
http://secunia.com/advisories/secunia_security_advisories/

Definitions: (Criticality, Where etc.)
http://secunia.com/advisories/about_secunia_advisories/


Please Note:
Secunia recommends that you verify all advisories you receive by
clicking the link.
Secunia NEVER sends attached files with advisories.
Secunia does not advise people to install third party patches, only
use those supplied by the vendor.

----------------------------------------------------------------------

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