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CVE Record

CVE-2011-0654: Integer underflow in the BowserWriteErrorLogEntry function in the Common Internet File System (CIFS) browse...

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.

UnknownCVSS not scoredNot KEV-listedUpdated
Glexia's TakeAutomated analysis

Security readout for executives and security teams

This vulnerability affects old Microsoft Windows systems using the CIFS browser service. A malformed browser election network message could crash the system or allow remote code execution. The practical business concern is legacy Windows exposure on SMB or Active Directory networks, not modern supported Windows unless separately confirmed. Exposure is most likely on legacy Windows XP, Server 2003, Vista, Server 2008, and Windows 7 systems with CIFS browser service reachable. Active Directory and SMB broadcast environments deserve priority review. The supplied data does not list current Windows versions. Prioritize remediation where legacy Windows systems remain connected to business networks. The issue can affect availability and potentially system control, but urgency should be driven by reachable legacy assets, not KEV-listed active exploitation. Mitigation focus: Apply Microsoft MS11-019 guidance and applicable security updates.; Retire or isolate unsupported affected Windows systems.; Restrict CIFS browser and SMB exposure to trusted internal networks..

Prepared

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Potential ATT&CK relevance

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CVE-2011-0654 mapping review

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Vulnerability profileCVE Program record
Severity
Unknown
CVSS
Not scored
Known Exploited
No
Published
Official CVE source material

CNA and ADP enrichment extracted from CVE v5

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0CVSS vectors
0Timeline events
0ADP providers
4Source links

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Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
n/an/an/aListed
Weakness

CWE details

No CWE listed

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