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Helix DNA Server Heap Corruption Vulnerability [MU-200708-01]
August 24, 2007

http://labs.musecurity.com/advisories.html

Affected Products/Versions:

Helix DNA Server versions 11.x

Product Overview:

https://helix-server.helixcommunity.org/

The Real Time Streaming Protocol (RTSP) is a protocol which allows a
client to remotely control a streaming media server.  RTSP is
implemented in the Real Helix Server, a cross platform media
streaming server with a wide deployment.

Vulnerability Details:

A remote heap overflow condition in Real Helix's RTSP service could allow for arbitrary code execution. 
The vulnerable code is triggered with the use of an RTSP command with multiple 'Require' headers. 

Vendor Response / Solution:

Fixed in release Helix Server 11.1.4
Available from https://helix-server.helixcommunity.org/

History:
April 6, 2007   - First contact with vendor
April 26, 2007  - Vendor acknowledges vulnerability
August 24, 2007 - Advisory released

Credit:

This vulnerability was discovered by the Mu Security research team.

http://labs.musecurity.com/pgpkey.txt

Mu Security offers a new class of security analysis system, delivering a
rigorous and streamlined methodology for verifying the robustness and security
readiness of any IP-based product or application. Founded by the pioneers of
intrusion detection and prevention technology, Mu Security is backed by
preeminent venture capital firms that include Accel Partners, Benchmark
Capital and DAG Ventures. The company is headquartered in Sunnyvale, CA. For
more information, visit the company's website at http://www.musecurity.com.
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