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Research > Zero-Day Tracker > 20110214

Microsoft Windows Server 2003 AD Pre-Auth Browser Election Remote Heap Overflow

Date Disclosed:
2/14/2011

Date Patched:
4.12.2011

Vendor:
Microsoft

Affected Software:
Microsoft Windows XP SP3 and prior and Windows Server 2003 SP 2 and prior

Description:
Microsoft Windows contains a heap overflow vulnerability in the BrowserWriteErrorLogEntry function when processing Browser Election requests. Successful exploitation could allow execution of arbitrary code with System level privileges.

Severity:
High

Code Execution:
Yes

Impact:
Remote Unauthenticated Privilege Escalation.
This remote vulnerability allows an unauthenticated attacker to execute code on the server with System level privileges.

Mitigation:
Apply appropriate patch from MS11-019.

Protection:

Links:

Status:

  • 2.14.2011 - Public Information Released
  • 4.12.2011 - Vendor Patch Released

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