Check Point Advisories

ffdshow Codec Media Stream URL Processing Buffer Overflow (CVE-2008-5381)

Check Point Reference: CPAI-2008-378
Date Published: 23 Mar 2010
Severity: Medium
Last Updated: Monday 10 August, 2015
Source:
Industry Reference:CVE-2008-5381
Protection Provided by:

Security Gateway
R81, R80, R77, R75
Who is Vulnerable?
Vulnerability Description ffdshow is a popular all-in-one codec for many video and audio file and stream formats, including Xvid, H.264, MPEG, AAC, Vorbis, AC3, DTS and others. It is an open source software released under the terms of GNU General Public License version 2 and is implemented as directShow filter and VFW codec, for all major releases of Windows OS. A buffer overflow vulnerability exists in the ffdshow codec. The vulnerability is due to a boundary error when processing URLs. Remote attackers could exploit this vulnerability by enticing the target user to view a media stream or open an HTML page embedded media stream. An attack targeting this vulnerability can result in the injection and execution of code. If code execution is successful, the behavior of the target will depend on the intention of the attacker. Any code injected will be executed within the security context of the currently logged in user. In the case of an unsuccessful code execution attack, the affected application will terminate abnormally.

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 ffdshow Codec Media Stream URL Processing Buffer Overflow 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:  Web Client Enforcement Violation.
Attack Information:  ffdshow codec media stream URL processing buffer overflow

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