Check Point Advisories

WRF files (CVE-2010-3269)

Vulnerability
Protection

Check Point Reference:	CPAI-2011-244
Date Published:	3 May 2011
Severity:	N/A
Last Updated:	Tuesday 03 May, 2011
Source:
Industry Reference:	CVE-2010-3269
Protection Provided by:	Security Gateway R81, R80, R77, R75
Who is Vulnerable?
Vulnerability Description	The Cisco WebEx Player is an application that is used to play back WebEx meeting recordings that have been recorded on the computer of an on-line meeting attendee. Cisco WebEx uses the proprietary WRF file format (.wrf extension) to store WebEx meeting recordings on the computer of an on-line meeting attendee. A stack buffer overflow has been reported in Cisco WebEx Player. The vulnerability is due to an error in the Cisco WebEx Player that fails to properly handle specially crafted WRF file. A remote attacker could trigger this flaw by convincing a victim to open a malicious WRF file. Successful exploitation of this issue may allow execution of arbitrary code on a vulnerable system. There are cases in which certain traffic, although not intended for malicious use, is very unsafe, since it may transfer shellcode which is undetectable by IPS.

Protection Overview

This protection detects and blocks the transferring of WRF files over HTTP.

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 WRF files 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: Content Protection Violation.
Attack Information: WRF file detected