Check Point Advisories

RealNetworks Helix Server SNMP Master Agent Open-PDU Denial of Service (CVE-2012-1923)

Vulnerability
Protection

Check Point Reference:	CPAI-2012-288
Date Published:	23 Jul 2012
Severity:	Medium
Last Updated:	Tuesday 16 October, 2012
Source:
Industry Reference:	CVE-2012-1923
Protection Provided by:	Security Gateway R81, R80, R77, R75
Who is Vulnerable?
Vulnerability Description	A denial of service vulnerability has been reported in RealNetworks Helix server. The vulnerability is due to the improper handling of specially crafted AgentX Open-PDU requests by the SNMP Master Agent process. A remote attacker can exploit this issue by sending a specially crafted request to an affected server. Successful exploitation would cause the server to crash, resulting in a denial of service condition.

Protection Overview

This protection will detect and block the transferring of a malicious request to the target server.

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 Helix Server SNMP Master Agent Open-PDU Denial of Service 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: Web Server Enforcement Violation.
Attack Information: RealNetworks Helix server SNMP master agent open-PDU denial of service