ID CVE-2009-3677
Summary 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
Vulnerable Configurations
  • Microsoft Windows 2000 Service Pack 4
    cpe:2.3:o:microsoft:windows_2000:-:sp4
  • Microsoft Windows Server 2003 Service Pack 2
    cpe:2.3:o:microsoft:windows_server_2003:-:sp2
  • cpe:2.3:o:microsoft:windows_server_2008:-:itanium
    cpe:2.3:o:microsoft:windows_server_2008:-:itanium
  • cpe:2.3:o:microsoft:windows_server_2008:-:x32
    cpe:2.3:o:microsoft:windows_server_2008:-:x32
  • cpe:2.3:o:microsoft:windows_server_2008:-:x64
    cpe:2.3:o:microsoft:windows_server_2008:-:x64
  • Microsoft Windows Vista
    cpe:2.3:o:microsoft:windows_vista
  • cpe:2.3:o:microsoft:windows_vista:-:x64
    cpe:2.3:o:microsoft:windows_vista:-:x64
  • Microsoft Windows Vista Service Pack 1 (initial release)
    cpe:2.3:o:microsoft:windows_vista:-:sp1
  • Microsoft Windows Vista Service Pack 1 x64 (64-bit)
    cpe:2.3:o:microsoft:windows_vista:-:sp1:x64
  • Microsoft Windows XP Service Pack 2
    cpe:2.3:o:microsoft:windows_xp:-:sp2
  • Microsoft Windows XP Service Pack 3
    cpe:2.3:o:microsoft:windows_xp:-:sp3
  • Microsoft Windows XP Service Pack 2 x64 (64-bit)
    cpe:2.3:o:microsoft:windows_xp:-:sp2:x64
CVSS
Base: 10.0 (as of 10-12-2009 - 10:14)
Impact:
Exploitability:
CWE CWE-255
CAPEC
Access
VectorComplexityAuthentication
NETWORK LOW NONE
Impact
ConfidentialityIntegrityAvailability
COMPLETE COMPLETE COMPLETE
msbulletin via4
bulletin_id MS09-071
bulletin_url
date 2009-12-08T00:00:00
impact Remote Code Execution
knowledgebase_id 974318
knowledgebase_url
severity Critical
title Vulnerabilities in Internet Authentication Service Could Allow Remote Code Execution
nessus via4
  • NASL family Windows : Microsoft Bulletins
    NASL id SMB_NT_MS09-071.NASL
    description The remote Windows host has the following vulnerabilities in the Internet Authentication Service : - There is a memory corruption vulnerability in the PEAP authentication implementation. A remote, unauthenticated attacker could exploit this to execute arbitrary code as SYSTEM. (CVE-2009-2505) - Sending a specially crafted MS-CHAP v2 authentication request could allow a remote attacker to obtain the privileges of a specific, authorized user. (CVE-2009-3677)
    last seen 2019-02-21
    modified 2018-11-15
    plugin id 43063
    published 2009-12-08
    reporter Tenable
    source https://www.tenable.com/plugins/index.php?view=single&id=43063
    title MS09-071: Vulnerabilities in Internet Authentication Service Could Allow Remote Code Execution (974318)
  • NASL family Windows
    NASL id WIN_SERVER_2008_NTLM_PCI.NASL
    description According to the version number obtained by NTLM the remote host has Windows Server 2008 installed. The host may be vulnerable to a number of vulnerabilities including remote unauthenticated code execution.
    last seen 2019-02-21
    modified 2018-09-17
    plugin id 108811
    published 2018-04-03
    reporter Tenable
    source https://www.tenable.com/plugins/index.php?view=single&id=108811
    title Windows Server 2008 Critical RCE Vulnerabilities (uncredentialed) (PCI/DSS)
oval via4
accepted 2014-03-17T04:00:25.337-04:00
class vulnerability
contributors
  • name J. Daniel Brown
    organization DTCC
  • name Maria Mikhno
    organization ALTX-SOFT
definition_extensions
  • comment Microsoft Windows 2000 SP4 or later is installed
    oval oval:org.mitre.oval:def:229
  • comment Microsoft Windows XP (x86) SP2 is installed
    oval oval:org.mitre.oval:def:754
  • comment Microsoft Windows XP (x86) SP3 is installed
    oval oval:org.mitre.oval:def:5631
  • comment Microsoft Windows XP x64 Edition SP2 is installed
    oval oval:org.mitre.oval:def:4193
  • comment Microsoft Windows Server 2003 SP2 (x86) is installed
    oval oval:org.mitre.oval:def:1935
  • comment Microsoft Windows Server 2003 SP2 (x64) is installed
    oval oval:org.mitre.oval:def:2161
  • comment Microsoft Windows Server 2003 (ia64) SP2 is installed
    oval oval:org.mitre.oval:def:1442
  • comment Microsoft Windows Vista (32-bit) is installed
    oval oval:org.mitre.oval:def:1282
  • comment Microsoft Windows Vista (32-bit) is installed
    oval oval:org.mitre.oval:def:1282
  • comment Microsoft Windows Vista (32-bit) Service Pack 1 is installed
    oval oval:org.mitre.oval:def:4873
  • comment Microsoft Windows Vista x64 Edition Service Pack 1 is installed
    oval oval:org.mitre.oval:def:5254
  • comment Microsoft Windows Server 2008 (32-bit) is installed
    oval oval:org.mitre.oval:def:4870
  • comment Microsoft Windows Server 2008 (64-bit) is installed
    oval oval:org.mitre.oval:def:5356
  • comment Microsoft Windows Server 2008 (ia-64) is installed
    oval oval:org.mitre.oval:def:5667
  • comment Microsoft Windows Vista (32-bit) Service Pack 1 is installed
    oval oval:org.mitre.oval:def:4873
  • comment Microsoft Windows Vista x64 Edition Service Pack 1 is installed
    oval oval:org.mitre.oval:def:5254
  • comment Microsoft Windows Server 2008 (32-bit) is installed
    oval oval:org.mitre.oval:def:4870
  • comment Microsoft Windows Server 2008 (64-bit) is installed
    oval oval:org.mitre.oval:def:5356
  • comment Microsoft Windows Server 2008 (ia-64) is installed
    oval oval:org.mitre.oval:def:5667
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."
family windows
id oval:org.mitre.oval:def:6209
status accepted
submitted 2009-12-09T17:00:00
title MS-CHAP Authentication Bypass Vulnerability
version 69
refmap via4
cert TA09-342A
ms MS09-071
sectrack 1023291
Last major update 21-08-2010 - 01:36
Published 09-12-2009 - 13:30
Last modified 26-02-2019 - 09:04
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