Intrusion Prevention

MS.WebDAV.Mini.Redirector.Mrxdav.Sys.Heap.Overflow

Description

This indicates an attempt to exploit a memory corruption vulnerability in WEBDAV Mini-Redirector.
The vulnerability is caused by an error in Mrxdav.Sys when handling long pathname checksum values. It allows remote attackers to execute arbitrary command via a specially crafted WebDAV response.

Affected Products

Microsoft Windows 2000 SP4
Windows XP SP2
Windows XP Professional x64 Edition and Windows XP Professional x64 Edition SP2
Windows Server 2003 SP1 and Windows Server 2003 SP2
Windows Server 2003 x64 Edition and Windows 2003 Server x64 Edition SP2
Windows Server 2003 with SP1 for Itanium-based Systems and Windows Server 2003 with SP2 for Itanium based Systems
Windows Vista
Windows Vista x64 Edition

Impact

System Compromise: Remote attackers can gain control of vulnerable systems.

Recommended Actions

Refer to the vendor's web site for the suggested workaround:
http://www.microsoft.com/technet/security/Bulletin/MS08-007.mspx

CVE References

CVE-2008-0080