Check Point Advisories

Symantec pcAnywhere Message Buffer Overflow (CVE-2005-3934)

Vulnerability
Protection

Check Point Reference:	CPAI-2005-337
Date Published:	16 Nov 2009
Severity:	Medium
Last Updated:	Monday 30 December, 2013
Source:
Industry Reference:	CVE-2005-3934
Protection Provided by:	Security Gateway R81, R80, R77, R75
Who is Vulnerable?
Vulnerability Description	Symantec pcAnywhere product line is a remote PC control solution for Windows systems. The product provides the ability for authenticated users to fully manage remote machines that are properly set up with the pcAnywhere software. There exists a denial of service vulnerability in Symantec pcAnywhere. The vulnerability is caused due to improper boundary checking and can be exploited to cause a buffer overflow prior to authentication. A remote unauthenticated attacker can exploit the vulnerability to terminate the application, causing a denial of service condition. An attack against this vulnerability will result in an unexpected termination of the affected product. In such a case, the remote control functionality of the target host will be unavailable until the service will be restarted manually or automatically, depending on the setup.

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

In the IPS tab, click Protections and find the Symantec pcAnywhere Message 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: RDP Enforcement Violation.
Attack Information: Symantec pcAnywhere message buffer overflow