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Credit:
The original article can be found at: http://www.zerodayinitiative.com/advisories/ZDI-10-079/
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Vulnerable Systems:
* RealNetworks Helix Server
Immune Systems:
* RealNetworks Helix Server v14
Authentication is not required to exploit this vulnerability. The specific flaw exists within the authentication provided by the administrative web interface and is only present if it is configured to use NTLM. The vulnerability can be triggered by specifying invalid Base64 string within the Authorization header. If the string is not proper Base64 the vulnerable function returns -1 which is not verified and is later used as a length to a string copy routine.
Patch Availability:
For more information please refer to:
http://www.realnetworks.com/uploadedFiles/Support/helix-support/SecurityUpdate041410HS.pdf
CVE Information:
CVE-2010-1317
Disclosure Timeline:
2009-07-14 - Vulnerability reported to vendor
2010-04-28 - Coordinated public release of advisory
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