CVE-2013-3660

State: Published
Severity: 7.8 High
Published: May 24, 2013
Updated: Oct 22, 2025
Reserved: May 24, 2013

Description

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 consequently gain privileges, by triggering excessive consumption of paged memory and then making many FlattenPath function calls, aka "Win32k Read AV Vulnerability."

Scores

CVSS	Score	Vector	Source
3.1	7.8 High	CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H	CISA-ADP

Weaknesses

CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer

Affected Products

Product	Versions
n/an/a	n/aAffected

References

20130517 Re: exploitation ideas under memory pressuremailing-list
25611exploit
20130517 exploitation ideas under memory pressuremailing-list
53435third-party-advisory
93539vdb-entry
http://twitter.com/taviso/statuses/309157606247768064
http://www.computerworld.com/s/article/9239477
http://www.theverge.com/2013/5/23/4358400/google-engineer-bashes-microsoft-discloses-windows-flaw
oval:org.mitre.oval:def:17360vdb-entrysignature
http://www.reddit.com/r/netsec/comments/1eqh66/0day_windows_kernel_epathobj_vulnerability/
20130603 Re: exploitation ideas under memory pressuremailing-list
TA13-190Athird-party-advisory
MS13-053vendor-advisory
http://twitter.com/taviso/statuses/335557286657400832
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2013-3660government-resource

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