Strix
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CVE-2013-3661

UnknownEPSS 3.85%

Last modified

CVE-2013-3661 is a vulnerability of currently unknown severity. 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.. EPSS estimates a 3.85% chance of exploitation in the next 30 days.

Description

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.

Metrics

EPSS Probability
3.85%

88.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersionsUpdate
MicrosoftWindows 7All versionsSp1
MicrosoftWindows 8All versions—
MicrosoftWindows RtAll versions—
MicrosoftWindows Server 2003All versionsSp2
MicrosoftWindows Server 2008All versionsSp2
MicrosoftWindows Server 2008r2Sp1
MicrosoftWindows Server 2012All versions—
MicrosoftWindows VistaAll versionsSp2
MicrosoftWindows XpAll versionsSp3

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is 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.
How severe is CVE-2013-3661?
Severity scoring for CVE-2013-3661 is pending analysis. The EPSS model estimates a 3.85% probability of exploitation in the next 30 days.
How do I fix CVE-2013-3661?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2013-3661?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST