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CVE-2009-3677

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CVE-2009-3677

Published: Dec 9, 2009

Modified: Aug 7, 2024

PUBLISHED

Description

The Internet Authentication Service (IAS) in Microsoft Windows 2000 SP4, XP SP2 and SP3, Server 2003 SP2, Vista Gold and SP1, and Server 2008 Gold does not properly verify the credentials in an MS-CHAP v2 Protected Extensible Authentication Protocol (PEAP) authentication request, which allows remote attackers to access network resources via a malformed request, aka "MS-CHAP Authentication Bypass Vulnerability."

VendorProductVersions

n/a

n/a

affected
n/a

References

MS09-071
vendor-advisory
x_refsource_MS
TA09-342A
third-party-advisory
x_refsource_CERT
1023291
vdb-entry
x_refsource_SECTRACK
oval:org.mitre.oval:def:6209
vdb-entry
signature
x_refsource_OVAL

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