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CVE-2011-0654

HighPublished

Integer underflow in the BowserWriteErrorLogEntry function in the Common Internet File System (CIFS) browser service in Mrxsmb.sys or bowser.sys in Active...

Published: Feb 16, 2011
Updated: Aug 6, 2024
Assigning CNA: microsoft
Evidence observed: Feb 14, 2011

Primary CVSS

10.0/ 10High

nvd · CVSS 2.0

AV:N/AC:L/Au:N/C:C/I:C/A:C

EPSS probability estimate

68.1%

High · next 30 days

Percentile: 99.3%
Model date: Sep 21, 2026

EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.

Summary

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.

Sources

Microsoft Windows Server 2003 - AD BROWSER ELECTION Remote Heap OverflowExploit
Cupidon-3005 · windows · Feb 14, 2011

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