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Last updated: 8/1/2014 1:51:22 AM

CVE Publication rate: 19.63

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National Cyber Awareness System

Vulnerability Summary for CVE-2013-3661

Original release date: 05/24/2013
Last revised: 06/05/2013
Source: US-CERT/NIST

Overview

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.

Impact

CVSS Severity (version 2.0):
CVSS v2 Base Score: 4.9 (MEDIUM) (AV:L/AC:L/Au:N/C:N/I:N/A:C) (legend)
Impact Subscore: 6.9
Exploitability Subscore: 3.9
CVSS Version 2 Metrics:
Access Vector: Locally exploitable
Access Complexity: Low
Authentication: Not required to exploit
Impact Type: Allows disruption of service

References to Advisories, Solutions, and Tools

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External Source: FULLDISC
Name: 20130603 Re: exploitation ideas under memory pressure
External Source: EXPLOIT-DB
Name: 25611
External Source: MISC
Name: http://twitter.com/taviso/statuses/335557286657400832
External Source: MISC
Name: http://www.theverge.com/2013/5/23/4358400/google-engineer-bashes-microsoft-discloses-windows-flaw
External Source: SECUNIA
Name: 53435
Type: Advisory
External Source: MISC
Name: http://www.computerworld.com/s/article/9239477
External Source: FULLDISC
Name: 20130517 Re: exploitation ideas under memory pressure
External Source: OSVDB
Name: 93539
External Source: MISC
Name: http://www.reddit.com/r/netsec/comments/1eqh66/0day_windows_kernel_epathobj_vulnerability/

Technical Details

Vulnerability Type (View All)