Check Point Advisories

FFmpeg vmd_read_header Integer Overflow

Vulnerability
Protection

Check Point Reference:	CPAI-2009-420
Date Published:	9 Feb 2010
Severity:	Medium
Last Updated:	Sunday 14 February, 2016
Source:
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.FFmpeg has the ability to convert between different media formats. One such format is the VMD media format. A vulnerability has been reported in FFmpeg that could allow remote attackers to compromise a vulnerable target. The vulnerability is due to an integer overflow within the "vmd_read_header()" function. Remote attackers could exploit this vulnerability by enticing the target user to open a malicious VMD file. Successful exploitation of this vulnerability can lead to arbitrary code execution in the context of the user. An unsuccessful code execution attempt can lead to abnormal termination of the vulnerable program.

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

In the IPS tab, click Protections and find the FFmpeg vmd_read_header Integer Overflow protection using the Search tool and Edit the protection's settings.
Install policy on all Security Gateways.

This protection's log will contain the following information:

Attack Name: Media Player Enforcement Violation.
Attack Information: FFmpeg vmd_read_header integer overflow