Check Point Advisories

MPlayer Real Demuxer stream_read Heap Overflow (CVE-2008-3827)

Check Point Reference: CPAI-2008-350
Date Published: 16 Feb 2010
Severity: High
Last Updated: Wednesday 19 November, 2014
Source:
Industry Reference:CVE-2008-3827
Protection Provided by:

Security Gateway
R81, R80, R77, R75
Who is Vulnerable?
Vulnerability Description MPlayer is an open source multimedia player for Linux that is also available in a Mac OS X and Windows versions. It can play many audio and video formats (MPEG, DivX, ogg, RealMedia, etc.) as well as various streaming protocols. It is highly portable and available for multiple platforms. There exists a heap overflow vulnerability in MPlayer. The flaw is due to insufficient input validation when processing Real Media files. A remote attacker may exploit this vulnerability by persuading the target user to open a malicious Real Media file. In a successful attack, arbitrary code is supplied and executed on the vulnerable target host. The behavior of the target system is dependent on the malicious code. Note that any code executed by the attacker runs with the privileges of the logged in user. In an attack where code execution fails, the vulnerable application will terminate abnormally while parsing the malicious RealMedia file.

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 MPlayer Real Demuxer stream_read Heap 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:  Content Protection Violation.
Attack Information:  MPlayer Real Demuxer stream_read heap overflow

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