CVE-2013-3660 on CISA KEV

The EPATHOBJ::pprFlattenRec function in win32k.sys in the kernel-mode drivers 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, and Windows Server 2012 does not properly initialize a poin

01What CISA says about this vulnerability

The EPATHOBJ::pprFlattenRec function in win32k.sys in the kernel-mode drivers 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, and Windows Server 2012 does not properly initialize a pointer for the next object in a certain list, which allows local users to obtain write access to the PATHRECORD chain, and…

02Required action — verbatim from CISA

Apply updates per vendor instructions.

03Notes & references

• archives.neohapsis.com — http://archives.neohapsis.com/archives/fulldisclosure/2013-05/0094.html
• www.exploit-db.com — http://www.exploit-db.com/exploits/25611/
• archives.neohapsis.com — http://archives.neohapsis.com/archives/fulldisclosure/2013-05/0090.html
• secunia.com — http://secunia.com/advisories/53435
• www.osvdb.org — http://www.osvdb.org/93539
• twitter.com — http://twitter.com/taviso/statuses/309157606247768064
• www.computerworld.com — http://www.computerworld.com/s/article/9239477
• www.theverge.com — http://www.theverge.com/2013/5/23/4358400/google-engineer-bashes-microsoft-discl…
• oval.cisecurity.org — https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3…
• www.reddit.com — http://www.reddit.com/r/netsec/comments/1eqh66/0day_windows_kernel_epathobj_vuln…
• archives.neohapsis.com — http://archives.neohapsis.com/archives/fulldisclosure/2013-06/0006.html
• www.us-cert.gov — http://www.us-cert.gov/ncas/alerts/TA13-190A
• docs.microsoft.com — https://docs.microsoft.com/en-us/security-updates/securitybulletins/2013/ms13-05…
• twitter.com — http://twitter.com/taviso/statuses/335557286657400832

04SARA's analyst layer — why this matters

This vulnerability is currently on the CISA KEV list, which CISA only adds CVEs to when there is reliable evidence of active exploitation in the wild. For federal civilian agencies, BOD 22-01 requires remediation by the due date above. For everyone else, KEV is the strongest "patch immediately" signal you can get from public threat intel.

05Affected products (summary)

Vendor	Product	Versions
n	a / n/a	n/a

06Detection

Open the Sigma generator with a pre-filled prompt for this CVE to draft a starting detection:

Open in Sigma generator →