Description
The Internet Authentication Service (IAS) in Microsoft Windows Vista SP2 and Server 2008 SP2 does not properly validate MS-CHAP v2 Protected Extensible Authentication Protocol (PEAP) authentication requests, which allows remote attackers to execute arbitrary code via crafted structures in a malformed request, aka "Internet Authentication Service Memory Corruption Vulnerability."
Published: 2009-12-09
Score: 10.0 Critical
EPSS: 47.9% Moderate
KEV: No
Impact: n/a
Action: n/a
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Microsoft Windows Server 2008 Windows Vista
cve-icon MITRE

Status: PUBLISHED

Assigner: microsoft

Published:

Updated: 2024-08-07T05:52:14.912Z

Reserved: 2009-07-17T00:00:00.000Z

Link: CVE-2009-2505

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2009-12-09T18:30:00.233

Modified: 2026-04-23T00:35:47.467

Link: CVE-2009-2505

cve-icon Redhat

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cve-icon OpenCVE Enrichment

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Weaknesses