A vulnerability has been identified in Microsoft Windows, which could be exploited by remote attackers to cause a denial of service. This flaw is due to a NULL pointer dereference error in the Routing and Remote Access Service (RRAS) when processing specially crafted requests, which could be exploited by remote attackers to crash a vulnerable system, creating a denial of service condition [...]
Solution
Restrict access to UDP ports 135, 137, 138, and 445, and TCP ports 135, 139, 445, and 593.
FrSIRT is not aware of any vendor-supplied patch.
Credits
Vulnerability reported by H.D. Moore
ChangeLog
2006-08-02 : Initial release
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