CVE-2009-3677

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."

References

https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6209

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

http://www.us-cert.gov/cas/techalerts/TA09-342A.html

http://www.securitytracker.com/id?1023291

Details

Source: Mitre, NVD

Risk Information

CVSS v2

CVSS v3