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CVE-2011-0667

7.2 · HIGH

Use-after-free vulnerability in win32k.sys in the kernel-mode drivers in Microsoft Windows XP SP2 and SP3, Windows Server 2003 SP2, Windows Vista SP1 and SP2, Windows Server 2008 Gold, SP2, R2, and…

Published Apr 13, 2011microsoftCWE-399EPSS 1.43%

Overview

CVE-2011-0667 is a high-severity vulnerability affecting microsoft windows_2003_server. It was published on April 13, 2011 and has a CVSS 2.0 base score of 7.2 (HIGH).

This vulnerability has a CVSS 2.0 base score of 7.2, rated HIGH. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.

Technical description

Use-after-free vulnerability in win32k.sys in the kernel-mode drivers in Microsoft Windows XP SP2 and SP3, Windows Server 2003 SP2, Windows Vista SP1 and SP2, Windows Server 2008 Gold, SP2, R2, and R2 SP1, and Windows 7 Gold and SP1 allows local users to gain privileges via a crafted application that leverages incorrect driver object management, a different vulnerability than other "Vulnerability Type 1" CVEs listed in MS11-034, aka "Win32k Use After Free Vulnerability."

Remediation

Check the references section for vendor advisories and patches from microsoft. Update windows_2003_server to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

Affected products

VendorProductVersionsStatus

References

Refblogs.technet.com/b/srd/archive/2011/04/12/ms11-034-addressing-vulnerabilities-in-the-win32k-subsystem.aspxRefosvdb.org/71743Refsecunia.com/advisories/44156Refsupport.avaya.com/css/P8/documents/100133352Refwww.securityfocus.com/bid/47204Refwww.securitytracker.com/id?1025345Refwww.us-cert.gov/cas/techalerts/TA11-102A.htmlRefwww.vupen.com/english/advisories/2011/0952Refdocs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-034Refexchange.xforce.ibmcloud.com/vulnerabilities/66398

How CyberStrike helps

Frequently asked questions

What is CVE-2011-0667?

CVE-2011-0667 is a high-severity vulnerability affecting microsoft windows_2003_server. It was published on April 13, 2011 and has a CVSS 2.0 base score of 7.2 (HIGH).

How severe is CVE-2011-0667?

This vulnerability has a CVSS 2.0 base score of 7.2, rated HIGH. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2011-0667?

Check the references section for vendor advisories and patches from microsoft. Update windows_2003_server to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2011-0667?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2011-0667 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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