Microsoft Vulnerability Research Advisory MSVR12-006
Vulnerability in RealNetworks Helix Universal Media Server Could Allow Denial of Service
Microsoft is providing notification of the discovery and remediation of a vulnerability affecting RealNetworks Helix Universal Media Server software version 184.108.40.206 and earlier. Microsoft discovered and disclosed the vulnerability under coordinated vulnerability disclosure to the affected vendor, RealNetworks. RealNetworks has remediated the vulnerability in their software.
A vulnerability exists in the way that the Helix Universal Media Server parses URLs. Clicking a link that has a malformed URL as an administrative user could cause a denial of service condition in the server process.
Microsoft Vulnerability Research reported this issue to and coordinated with RealNetworks to ensure remediation of this issue. The vulnerability has been assigned the entry, CVE-2012-1985, in the Common Vulnerabilities and Exposures list. For more information about the vulnerability, including information about updates from RealNetworks, see the April 2, 2012 Security Update for Helix Server and Helix Mobile Server.
- An attacker would have to leverage a cross-site request forgery (csrf) attack in order to trick the administrator into loading a malformed URL.
Purpose of Advisory: To notify users of a vulnerability and its remediation.
Advisory Status: Advisory published.
Recommendation: Review the Suggested Actions section and configure as appropriate.
For more information about this issue, see the following references:
|Common Vulnerabilities and Exposures||CVE-2012-1985|
This advisory discusses the following software:
|Helix Universal Media Server version 220.127.116.11 and earlier|
|Helix Universal Media Server version 14.3.x|
Microsoft thanks the following:
- Tom Gallagher of Microsoft and RealNetworks for working toward a resolution
The information provided in this advisory is provided "as is" without warranty of any kind. Microsoft disclaims all warranties, either express or implied, including the warranties of merchantability and fitness for a particular purpose. In no event shall Microsoft Corporation or its suppliers be liable for any damages whatsoever including direct, indirect, incidental, consequential, loss of business profits or special damages, even if Microsoft Corporation or its suppliers have been advised of the possibility of such damages. Some states do not allow the exclusion or limitation of liability for consequential or incidental damages so the foregoing limitation may not apply.
- V1.0 (April 17, 2012): Advisory published.