Advisory Details

December 16th, 2008

RealNetworks Helix DNA Server RTSP DESCRIBE Heap Overflow Vulnerability

ZDI-08-089
ZDI-CAN-293

CVE ID
CVSS SCORE
AFFECTED VENDORS RealNetworks
AFFECTED PRODUCTS Helix Server
TREND MICRO CUSTOMER PROTECTION Trend Micro TippingPoint IPS customers are protected against this vulnerability by Digital Vaccine protection filter ID ['5933']. For further product information on the TippingPoint IPS: http://www.tippingpoint.com
VULNERABILITY DETAILS

This vulnerability allows attackers to execute arbitrary code on vulnerable installations of RealNetworks Helix Server. User interaction is not required to exploit this vulnerability. Authentication is not required to exploit this vulnerability.

The specific flaw exists within the rmserver.exe process while processing the Proxy-Require header of an RTSP response. The service fails to check the length of the field leading to an exploitable heap based buffer overflow. Exploitation of this vulnerability allows an attacker to execute arbitrary code under the context of the SYSTEM user.

ADDITIONAL DETAILS
DISCLOSURE TIMELINE
  • 2008-02-07 - Vulnerability reported to vendor
  • 2008-12-16 - Coordinated public release of advisory
CREDIT Anonymous
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