CVE-2011-0654
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.
Key facts
- CVSS score
- 10.0 (v2.0)
- Severity
- HIGH
- CVSS vector
AV:N/AC:L/Au:N/C:C/I:C/A:C- Weakness (CWE)
- CWE-119
- EPSS score
- 68.1% (99th percentile)
- In CISA KEV
- No
- In EU EUVD
- Yes (EUVD-2011-0672)
- Published
- February 16, 2011
- NVD last modified
- June 16, 2026
- Status
- Modified
EU Vulnerability Database (EUVD)
This vulnerability is also tracked by ENISA as EUVD-2011-0672 in the EU Vulnerability Database. Last updated in EUVD on August 6, 2024.
View on the EU Vulnerability DatabaseAffected products
- microsoft / windows 2003 server
- microsoft / windows 2003 server
- microsoft / windows 2003 server
- microsoft / windows 2003 server
- microsoft / windows server 2003
- microsoft / windows server 2003
Certified products that may be affected
1 FIPS 140 or Common Criteria certified product, from automated matching by sec-certs.org.
- Microsoft Windows Server 2003 SP2 including R2, Standard, Enterprise, Datacenter, x64, and Itanium Editions; Windows XP Professional SP2 and x64 SP2; Windows XP Embedded SP2 - Microsoft Corporation - Common Criteria CCEVS-VR-VID-10184-2008 - archived
References
- http://archives.neohapsis.com/archives/fulldisclosure/2011-02/0284.html
- http://blogs.technet.com/b/mmpc/archive/2011/02/16/my-sweet-valentine-the-cifs-browser-protocol-heap-corruption-vulnerability.aspx
- http://blogs.technet.com/b/srd/archive/2011/02/16/notes-on-exploitability-of-the-recent-windows-browser-protocol-issue.aspx
- http://secunia.com/advisories/43299(Vendor Advisory)
- http://www.exploit-db.com/exploits/16166(Exploit)
- http://www.kb.cert.org/vuls/id/323172(US Government Resource)
- http://www.securityfocus.com/bid/46360(Exploit)
- http://www.securitytracker.com/id?1025328
- http://www.us-cert.gov/cas/techalerts/TA11-102A.html(US Government Resource)
- http://www.vupen.com/english/advisories/2011/0394(Vendor Advisory)
- http://www.vupen.com/english/advisories/2011/0938(Vendor Advisory)
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-019
- https://exchange.xforce.ibmcloud.com/vulnerabilities/65376
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12637
Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS
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