CVE-2009-3677

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."

CVSS v2.0 10.0 HIGH

10.0^/10

CVSS v2.0 : HIGH

Vector : AV:N/AC:L/Au:N/C:C/I:C/A:C

Exploitability : 10.0 / Impact : 10.0

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact COMPLETE

Integrity Impact COMPLETE

Availability Impact COMPLETE

References

Link	Resource
http://www.us-cert.gov/cas/techalerts/TA09-342A.html	US Government Resource
http://www.securitytracker.com/id?1023291
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

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Configurations

Configuration 1 (hide)

OR	cpe:2.3:o:microsoft:windows_2000::sp4::::::*
	cpe:2.3:o:microsoft:windows_xp::sp2::::::*
	cpe:2.3:o:microsoft:windows_xp::sp3::::::*
	cpe:2.3:o:microsoft:windows_xp:-:sp2:x64:::::*
	cpe:2.3:o:microsoft:windows_server_2008:::x32:::::*
	cpe:2.3:o:microsoft:windows_server_2003::sp2::::::*
	cpe:2.3:o:microsoft:windows_vista:::x64:::::*
	cpe:2.3:o:microsoft:windows_vista::::::::
	cpe:2.3:o:microsoft:windows_server_2008:::itanium:::::*
	cpe:2.3:o:microsoft:windows_server_2008:::x64:::::*
	cpe:2.3:o:microsoft:windows_vista::sp1:x64:::::
	cpe:2.3:o:microsoft:windows_vista::sp1::::::*

Information

Published : 2009-12-09 10:30

Updated : 2019-02-26 06:04

NVD link : CVE-2009-3677

Mitre link : CVE-2009-3677

JSON object : View

CWE

CWE-255

Credentials Management Errors

CWE-94

Improper Control of Generation of Code ('Code Injection')

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Products Affected

microsoft

windows_vista
windows_xp
windows_server_2008
windows_2000
windows_server_2003

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