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Real Helix RTSP Server Heap Corruption Vulnerabilities [MU-200606-01]
June 22, 2006

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

Affected Product / Versions:

Real Networks Helix DNA Server 11.0.x
Real Networks Helix DNA Server 10.0.x

Product Overview:

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 buffer overflow condition in Real Helix's RTSP service could
allow for arbitrary code execution.  The vulnerable code is triggered
with the use of a malformed HTTP header.

A second vulnerability of equal criticality was also discovered.
This bug involved the parsing of HTTP URLs.

Vendor Response / Solution:

Mu Security would like to thank Real for timely remediation of these
vulnerabilities.

Credit:

This vulnerability was discovered by the Mu Security research team.

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

Mu Security is an early-stage innovator creating a new class of
security analysis system. The company's mission is to widely deploy
security analysis and reduce product and application vulnerabilities.
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provide a rigorous and streamlined methodology for verifying and
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