Check Point Advisories

RealNetworks RealPlayer SWF Frame Handling Buffer Overflow (CVE-2007-5400)

Check Point Reference: CPAI-2008-322
Date Published: 13 Jul 2010
Severity: High
Last Updated: Thursday 03 April, 2014
Source:
Industry Reference:CVE-2007-5400
Protection Provided by:

Security Gateway
R81, R80, R77, R75
Who is Vulnerable?
Vulnerability Description RealPlayer is a media player application developed by RealNetworks Inc. This application is capable of playing back numerous multimedia file formats. The application can open media files from local file system or network servers. RealPlayer has an extensible nature that allows it to handle different media file formats by way of external plugin modules. One such module that is included with some players from RealNetworks is the SWF Flash module. It allows the RealPlayer to process certain types of Macromedia Flash (SWF) files. There exists a heap buffer overflow vulnerability in the RealNetworks RealPlayer product. The vulnerability is due to a design error within the handling of frames in Shockwave Flash (SWF) files. A remote attacker can exploit this vulnerability to create a heap overflow condition in the target application. Successful exploitation could lead to arbitrary code execution with the privileges of the currently logged in user. In case of an attack where code injection and execution is successful, the process flow of the vulnerable application will be diverted to attacker supplied code. The result of such an attack is entirely dependent on the purpose of the injected code. In case of an attack where code injection is not successful, the affected application will terminate as a result of memory corruption.

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 RealNetworks RealPlayer SWF Frame Handling 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:  Content Protection Violation.
Attack Information:  RealNetworks RealPlayer SWF frame handling buffer overflow

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