CVE-2013-3661 Information

Description

The EPATHOBJ::bFlatten function in win32k.sys in Microsoft Windows XP SP2 and SP3 Windows Server 2003 SP2 Windows Vista SP2 Windows Server 2008 SP2 and R2 SP1 Windows 7 SP1 Windows 8 Windows Server 2012 and Windows RT does not check whether linked-list traversal is continually accessing the same list member which allows local users to cause a denial of service (infinite traversal) via vectors that trigger a crafted PATHRECORD chain.

Reference

http://archives.neohapsis.com/archives/fulldisclosure/2013-05/0094.html http://archives.neohapsis.com/archives/fulldisclosure/2013-06/0006.html http://secunia.com/advisories/53435 http://twitter.com/taviso/statuses/335557286657400832 http://www.computerworld.com/s/article/9239477 http://www.exploit-db.com/exploits/25611/ http://www.osvdb.org/93539 http://www.reddit.com/r/netsec/comments/1eqh66/0day_windows_kernel_epathobj_vulnerability/ http://www.theverge.com/2013/5/23/4358400/google-engineer-bashes-microsoft-discloses-windows-flaw