Vulnerability Report

CVE-2013-3661

Title: Microsoft Windows Server 2008 Path Traversal / LFI

Arbitrary File Access

Proof Of Concept

PoC Available for CVE-2013-3661

CWE Category CWE-22

Published Date May 24, 2013

Modified Date Jun 16, 2026

Exploit Status Available

Score 4.9 CVSS v2.0

Exploit Probability (EPSS)

3.85%

Vulnerability Summary

CVE-2013-3661: 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.

Impacted Vendors

microsoft 8

Reference Links

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 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

CVSS v2.0

Source Entity [email protected]

Severity MEDIUM

4.9

Access Vector

N/A

Authentication

N/A

RAW VECTOR AV:L/AC:L/Au:N/C:N/I:N/A:C

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2013-3661 Exploits & PoCs (Proof Of Concept)

Exploit-DB https://www.exploit-db.com/exploits/25611

View Code

Exploit-DB https://www.exploit-db.com/exploits/26554

View Code

Exploit-DB https://www.exploit-db.com/exploits/25912

View Code

June 16, 2026 MODIFIED

Vulnerability data updated via NVD.

April 29, 2026 MODIFIED

Vulnerability data updated via NVD.

April 11, 2025 MODIFIED

Vulnerability data or affected products updated.

May 24, 2013 PUBLISHED

Vulnerability first announced in NVD.

Attack Vector Matrix

Access Vector N/A

Complexity N/A

Privileges N/A

Interaction NONE

CVSS Vector String


                                    AV:L/AC:L/Au:N/C:N/I:N/A:C

Affected Stack

No specific products linked.