Vulnerability CVE-2009-3677 - CERT Civis.Net

Vulnerability Name:

CVE-2009-3677 (CCN-54439)

Assigned:

2009-12-08

Published:

2009-12-08

Updated:

2019-02-26

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."

CVSS v3 Severity:

10.0 Critical (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H)

Exploitability Metrics:	Attack Vector (AV): Network Attack Complexity (AC): Low Privileges Required (PR): None User Interaction (UI): None
Scope:	Scope (S): Changed
Impact Metrics:	Confidentiality (C): High Integrity (I): High Availibility (A): High

CVSS v2 Severity:

10.0 High (CVSS v2 Vector: AV:N/AC:L/Au:N/C:C/I:C/A:C)
7.4 High (Temporal CVSS v2 Vector: AV:N/AC:L/Au:N/C:C/I:C/A:C/E:U/RL:OF/RC:C)

Exploitability Metrics:	Access Vector (AV): Network Access Complexity (AC): Low Authentication (Au): None
Impact Metrics:	Confidentiality (C): Complete Integrity (I): Complete Availibility (A): Complete

10.0 High (CCN CVSS v2 Vector: AV:N/AC:L/Au:N/C:C/I:C/A:C)
7.4 High (CCN Temporal CVSS v2 Vector: AV:N/AC:L/Au:N/C:C/I:C/A:C/E:U/RL:OF/RC:C)

Exploitability Metrics:	Access Vector (AV): Network Access Complexity (AC): Low Athentication (Au): None
Impact Metrics:	Confidentiality (C): Complete Integrity (I): Complete Availibility (A): Complete

Vulnerability Type:

Vulnerability Consequences:

Gain Privileges

References:

Source: MITRE
Type: CNA
CVE-2009-3677

Source: CCN
Type: SA37543
Microsoft Windows MS-CHAP Authentication Bypass

Source: CCN
Type: SECTRACK ID: 1023291
Microsoft Internet Authentication Service Bugs Let Remote Authenticated Users Execute Arbitrary Code or Gain Privileges of the Target User

Source: CCN
Type: Microsoft Security Bulletin MS09-071
Vulnerabilities in Internet Authentication Service Could Allow Remote Code Execution (974318)

Source: CCN
Type: BID-37198
Microsoft Protected Extensible Authentication Protocol Authentication Bypass Vulnerability

Source: SECTRACK
Type: UNKNOWN
1023291

Source: CERT
Type: US Government Resource
TA09-342A

Source: MS
Type: UNKNOWN
MS09-071

Source: XF
Type: UNKNOWN
ms-ias-privilege-escalation(54439)

Source: OVAL
Type: UNKNOWN
oval:org.mitre.oval:def:6209

Vulnerable Configuration:

Configuration 1:

cpe:/o:microsoft:windows_2000:*:sp4:*:*:*:*:*:*

OR cpe:/o:microsoft:windows_server_2003:*:sp2:*:*:*:*:*:*

OR cpe:/o:microsoft:windows_server_2008:*:*:*:*:*:*:itanium:*

OR cpe:/o:microsoft:windows_server_2008:*:*:*:*:*:*:x32:*

OR cpe:/o:microsoft:windows_server_2008:*:*:x64:*:*:*:*:*

OR cpe:/o:microsoft:windows_vista:*:*:*:*:*:*:*:*

OR cpe:/o:microsoft:windows_vista:*:*:x64:*:*:*:*:*

OR cpe:/o:microsoft:windows_vista:*:sp1:*:*:*:*:*:*

OR cpe:/o:microsoft:windows_vista:*:sp1:x64:*:*:*:*:*

OR cpe:/o:microsoft:windows_xp:*:sp2:*:*:*:*:*:*

OR cpe:/o:microsoft:windows_xp:*:sp3:*:*:*:*:*:*

OR cpe:/o:microsoft:windows_xp:-:sp2:x64:*:*:*:*:*

Configuration CCN 1:

cpe:/o:microsoft:windows_2000:-:sp4:*:*:*:*:*:*

OR cpe:/o:microsoft:windows:xp:sp2:*:*:*:*:*:*

OR cpe:/o:microsoft:windows_vista:*:*:*:*:*:*:*:*

OR cpe:/o:microsoft:windows:server_2003:sp2:*:*:*:*:*:*

OR cpe:/o:microsoft:windows:server_2003:sp2:itanium:*:*:*:*:*

OR cpe:/o:microsoft:windows:server_2003:sp2:x64:*:*:*:*:*

OR cpe:/o:microsoft:windows_vista:-:*:x64:*:*:*:*:*

OR cpe:/o:microsoft:windows_xp::sp2:x64:*:professional:*:*:*

OR cpe:/o:microsoft:windows_vista:-:sp1:*:*:*:*:*:*

OR cpe:/o:microsoft:windows_vista:-:sp1:x64:*:*:*:*:*

OR cpe:/o:microsoft:windows_server_2008:*:*:*:*:*:*:itanium:*

OR cpe:/o:microsoft:windows_server_2008:*:*:*:*:*:*:x32:*

OR cpe:/o:microsoft:windows_server_2008:*:*:*:*:*:*:x64:*

OR cpe:/o:microsoft:windows:xp:sp3:*:*:*:*:*:*

OR cpe:/o:microsoft:windows_server_2008:*:*:*:*:*:*:*:*

Denotes that component is vulnerable

Oval Definitions

Definition ID	Class	Title	Last Modified
oval:org.mitre.oval:def:6209	V	MS-CHAP Authentication Bypass Vulnerability	2014-03-17