Check Point Advisories

RealNetworks RealPlayer URL Parsing Stack Buffer Overflow (CVE-2012-5691)

Vulnerability
Protection

Check Point Reference:	CPAI-2013-012
Date Published:	14 Jan 2013
Severity:	High
Last Updated:	Tuesday 25 November, 2014
Source:
Industry Reference:	CVE-2012-5691
Protection Provided by:	Security Gateway R81, R80, R77, R75
Who is Vulnerable?
Vulnerability Description	A stack buffer overflow vulnerability exists in RealNetworks RealPlayer. The vulnerability is due to insufficient sanitation of the URLs while parsing RealMedia files. An attacker can exploit this vulnerability by enticing a user to open a specially crafted Microsoft .url file with the affected application.

Protection Overview

The protection will detect and block the transfer of malicious files attempting to trigger 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 RealNetworks RealPlayer URL Parsing Stack Buffer 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: RealNetworks RealPlayer URL parsing stack buffer overflow