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Category:   Application (Multimedia)  >   Helix Universal Server Vendors:   RealNetworks
Helix Server RTSP SETUP Stack Overflow Lets Remote Users Deny Service
SecurityTracker Alert ID:  1021499
SecurityTracker URL:  http://securitytracker.com/id/1021499
CVE Reference:   CVE-2008-5911   (Links to External Site)
Updated:  Jan 22 2009
Original Entry Date:  Dec 30 2008
Impact:   Denial of service via network
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): 11.x, 12.x
Description:   A vulnerability was reported in Helix Server. A remote user can cause denial of service conditions.

A remote user can send three consecutive specially crafted RTSP SETUP requests to trigger a stack overflow and cause the target service to crash.

Noam Rathaus and TippingPoint reported this vulnerability.

Impact:   A remote user can cause the target service to crash.
Solution:   The vendor has issued a fixed version (11.1.8, 12.0.1).

The vendor's advisory is available at:

http://docs.real.com/docs/security/SecurityUpdate121508HS.pdf

Vendor URL:  www.real.com/ (Links to External Site)
Cause:   Boundary error
Underlying OS:   Linux (Red Hat Enterprise), UNIX (Solaris - SunOS), Windows (2003)

Message History:   None.


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