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CVE-2011-0654

10.0 · HIGH

Integer underflow in the BowserWriteErrorLogEntry function in the Common Internet File System (CIFS) browser service in Mrxsmb.sys or bowser.sys in Active Directory in Microsoft Windows XP SP2 and…

Published Feb 16, 2011microsoftCWE-119EPSS 68.08%

Overview

CVE-2011-0654 is a high-severity vulnerability affecting microsoft windows_2003_server. It was published on February 16, 2011 and has a CVSS 2.0 base score of 10.0 (HIGH).

This vulnerability has a CVSS 2.0 base score of 10.0, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

Integer underflow in the BowserWriteErrorLogEntry function in the Common Internet File System (CIFS) browser service in Mrxsmb.sys or bowser.sys in Active Directory 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 remote attackers to execute arbitrary code or cause a denial of service (system crash) via a malformed BROWSER ELECTION message, leading to a heap-based buffer overflow, aka "Browser Pool Corruption Vulnerability." NOTE: some of these details are obtained from third party information.

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

Refarchives.neohapsis.com/archives/fulldisclosure/2011-02/0284.htmlRefblogs.technet.com/b/mmpc/archive/2011/02/16/my-sweet-valentine-the-cifs-browser-protocol-heap-corruption-vulnerability.aspxRefblogs.technet.com/b/srd/archive/2011/02/16/notes-on-exploitability-of-the-recent-windows-browser-protocol-issue.aspxRefsecunia.com/advisories/43299Refwww.exploit-db.com/exploits/16166Refwww.kb.cert.org/vuls/id/323172Refwww.securityfocus.com/bid/46360Refwww.securitytracker.com/id?1025328Refwww.us-cert.gov/cas/techalerts/TA11-102A.htmlRefwww.vupen.com/english/advisories/2011/0394

How CyberStrike helps

Frequently asked questions

What is CVE-2011-0654?

CVE-2011-0654 is a high-severity vulnerability affecting microsoft windows_2003_server. It was published on February 16, 2011 and has a CVSS 2.0 base score of 10.0 (HIGH).

How severe is CVE-2011-0654?

This vulnerability has a CVSS 2.0 base score of 10.0, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2011-0654?

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-2011-0654?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2011-0654 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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