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VID 23070
Severity 30
Port 554
Protocol TCP
Class RTSP
Detailed Description The RealNetworks Helix Universal Server, according to its version number, is vulnerable to a denial of service attack.
RealNetworks' Helix Universal Server is a streaming audio server that supports all major media file formats. Helix Universal Server version 9.0.2 for Linux and version 9.0.1 for Windows are vulnerable to a denial of service attack. The problem exists in the handling of specially crafted GET requests. Successful exploitation of this vulnerability could allow a remote attacker to cause a null pointer dereference and cause the server to crash.

* Note: This check solely relied on the version number of the remote Helix Universal Server to assess this vulnerability, so this might be a false positive.

* References:
http://archives.neohapsis.com/archives/bugtraq/2004-04/0160.html
http://www.idefense.com/application/poi/display?id=102&type=vulnerabilities

* Platforms Affected:
RealNetworks, Inc., Helix Universal Server 9.0.1 for Windows
RealNetworks, Inc., Helix Universal Server 9.0.2 for Linux
Linux Any version
Microsoft Windows Any version
Recommendation Upgrade to the latest version of Helix Universal Server (9.0.3 or later), available from the RealNetworks Customer Support Web site at http://www.expressresponse.com/cgi-bin/real_sts/showFaq.cgi?producttype=helix
Related URL CVE-2004-0389 (CVE)
Related URL 10157 (SecurityFocus)
Related URL 15880 (ISS)