CVE-2013-3661

23Vexday Risk Score

No sign of exploitation. It has a public proof of concept.

ssvc Attendepss 3.9%

from disclosure to weapon0 days

Published on NVDMay 24

1st PoCMay 21

exploitation probability

3.9%top 11% of all CVEs

observed exploitation

nono source reports it

4 public exploit(s)

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.

Affected products

n/a · n/a

public PoCs found — 4✓ VexDay Proof

exploitdb✓ VexDay Proofwww.exploit-db.com/exploits/25611 exploitdb✓ VexDay Proofwww.exploit-db.com/exploits/26554 exploitdb✓ VexDay Proofwww.exploit-db.com/exploits/25912 cve_referencewww.exploit-db.com/exploits/25611/unverified

⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.

References

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