Check Point Advisories

RealNetworks Helix Server RTSP Malformed HTTP Header Buffer Overflow (CVE-2006-3276)

Check Point Reference: CPAI-2006-256
Date Published: 18 Mar 2010
Severity: High
Last Updated: Sunday 14 February, 2016
Source:
Industry Reference:CVE-2006-3276
Protection Provided by:

Security Gateway
R81, R80, R77, R75
Who is Vulnerable?
Vulnerability Description Helix DNA Server is a multi-media server that is designed to serve streaming and static audio and video content. The open-source server is a counterpart to the RealNetworks' commercial streaming servers of the same nature. The server communicates using several protocols, which include HTTP and RSTP. There exists a buffer overflow vulnerability in RealNetworks Helix Server. The vulnerability is caused by the improper handling of malformed requests. In the case of an attack, where code injection is unsuccessful, the Helix Server service will terminate, and all the connected sessions will be closed immediately. Furthermore, the functionality of all the services that depend on the vulnerable service might be affected as well. The affected service must be started manually to resume functionality. In the case where code injection was successful, the behaviour of the system will be entirely dependent on the nature of the injected code. Any code executed will be with the the security privileges of the vulnerable service, normally System.

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 Helix Server RTSP Malformed HTTP Header 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:  RTSP Enforcement Violation.
Attack Information:  RealNetworks Helix Server RTSP malformed HTTP header buffer overflow

×
  Feedback
This website uses cookies for its functionality and for analytics and marketing purposes. By continuing to use this website, you agree to the use of cookies. For more information, please read our Cookies Notice.
OK