CVE-2009-2505

Microsoft Windows Vista/Server 2008 SP2 - RCE

Title source: llm

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."

References (4)

[US Government Resource] http://www.us-cert.gov/cas/techalerts/TA09-342A.html

[Third Party Advisory, VDB Entry] https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6063

[Vendor Advisory] https://docs.microsoft.com/en-us/security-updates/securitybulletins/2009/ms09-071

[Third Party Advisory, VDB Entry] http://www.securitytracker.com/id?1023291

Scores

EPSS 0.4785

EPSS Percentile 97.7%

Classification

CWE

CWE-287

Status draft

Affected Products (4)

microsoft/windows_server_2008

microsoft/windows_vista

Timeline

Published Dec 09, 2009

Tracked Since Feb 18, 2026