High severity · published May 24, 2013
CVE-2013-3660
Microsoft Win32k Privilege Escalation Vulnerability
In wildKEV
7.8
CVSS
39.3%
EPSS
Yes
On KEV
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."
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack vector
Local
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)39.3% · higher than 99% of CVEs
Exploited in the wildYes
CISA KEVListed Mar 28, 2022
Federal remediation dueApr 18, 2022
Ransomware campaign useNot known
Affected products
Which versions
W7
Windows 7 · Microsoft
All versions, or not specified · source: NVD
W8
Windows 8 · Microsoft
All versions, or not specified · source: NVD
WR
Windows RT · Microsoft
All versions, or not specified · source: NVD
WS
Windows Server 2003 · Microsoft
All versions, or not specified · source: NVD
WS
Windows Server 2008 · Microsoft
r2 · source: NVD
WS
Windows Server 2012 · Microsoft
All versions, or not specified · source: NVD
WV
Windows Vista · Microsoft
All versions, or not specified · source: NVD
WX
Windows XP · Microsoft
All versions, or not specified · source: NVD
WI
Win32k · Microsoft
All versions, or not specified · source: KEV
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2013-3660
CVE.org
https://www.cve.org/CVERecord?id=CVE-2013-3660
CISA KEV catalogue
https://www.cisa.gov/known-exploited-vulnerabilities-catalog
mailing-list
http://archives.neohapsis.com/archives/fulldisclosure/2013-05/0094.html
exploit
http://www.exploit-db.com/exploits/25611/
mailing-list
http://archives.neohapsis.com/archives/fulldisclosure/2013-05/0090.html
third-party-advisory
http://secunia.com/advisories/53435
vdb-entry
http://www.osvdb.org/93539
x_refsource_MISC
http://twitter.com/taviso/statuses/309157606247768064
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