Check Point Advisories

FFmpeg 4xm Processing Memory Corruption (CVE-2009-0385)

Check Point Reference: CPAI-2009-369
Date Published: 3 Nov 2009
Severity: Medium
Last Updated: Tuesday 03 November, 2009
Source:
Industry Reference:CVE-2009-0385
Protection Provided by:

Security Gateway
R81, R80, R77, R75
Who is Vulnerable?
Vulnerability Description FFmpeg is a set of libraries and executables that can be used to record, convert and stream digital audio and video in numerous formats. FFmpeg is a command line tool that is composed of a collection of free software / open source libraries. It includes libavcodec, an audio/video codec library used by several other projects, and libavformat, an audio/video container mux and demux library. A vulnerability exists in FFmpeg audio/video converter. This vulnerability is due to lack of boundary checks on a user supplied value in processing of 4XM movie files. An unauthenticated remote attacker could exploit this vulnerability by enticing a user to play a specially crafted 4XM movie file. Successful exploitation would cause memory corruption which may allow the attacker to execute arbitrary code with the privileges of the currently logged on user. In an attack case where code injection is not successful, the application will terminate unexpectedly. In a more sophisticated attack scenario where code injection is successful, the behaviour of the target host is entirely dependent on the intended function of the injected code.

Protection Overview

This protection will detect and block attempts to exploit this vulnerability

In order for the protection to be activated, update your Security Gateway product to the latest IPS update. For information on how to update IPS, go to SBP-2006-05, click on Protection tab and select the version of your choice.

Security Gateway R80 / R77 / R75

  1. In the IPS tab, click Protections and find the FFmpeg 4xm Processing Memory Corruption protection using the Search tool and Edit the protection's settings.
  2. Install policy on all Security Gateways.

This protection's log will contain the following information:

Attack Name:  Content Protection Violation.
Attack Information:  FFmpeg 4xm Processing Memory Corruption

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