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Last updated: 4/25/2014

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Vulnerability Summary for CVE-2009-0094

Original release date: 03/11/2009
Last revised: 08/21/2010
Source: US-CERT/NIST

Overview

The WINS server in Microsoft Windows 2000 SP4 and Server 2003 SP1 and SP2 does not restrict registration of the (1) "wpad" and (2) "isatap" NetBIOS names, which allows remote authenticated users to hijack the Web Proxy Auto-Discovery (WPAD) and Intra-Site Automatic Tunnel Addressing Protocol (ISATAP) features, and conduct man-in-the-middle attacks by spoofing a proxy server or ISATAP route, by registering one of these names in the WINS database, aka "WPAD WINS Server Registration Vulnerability," a related issue to CVE-2007-1692.

Description

Per: http://www.microsoft.com/technet/security/Bulletin/MS09-008.mspx Mitigating Factors for WPAD WINS Server Registration Vulnerability - CVE-2009-0094 Mitigation refers to a setting, common configuration, or general best-practice, existing in a default state, that could reduce the severity of exploitation of a vulnerability. The following mitigating factors may be helpful in your situation. If WINS server already has WPAD and ISATAP registered than an attacker will not be able to register these as well.

Impact

CVSS Severity (version 2.0):
CVSS v2 Base Score: 5.5 (MEDIUM) (AV:N/AC:L/AU:S/C:N/I:P/A:P) (legend)
Impact Subscore: 4.9
Exploitability Subscore: 8.0
CVSS Version 2 Metrics:
Access Vector: Network exploitable
Access Complexity: Low
Authentication: Required to exploit
Impact Type: Allows unauthorized modification; Allows disruption of service

References to Advisories, Solutions, and Tools

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External Source: MS
Name: MS09-008
Type: Advisory; Patch Information
External Source: CONFIRM
Name: http://blogs.technet.com/srd/archive/2009/03/13/ms09-008-dns-and-wins-server-security-update-in-more-detail.aspx
External Source: CONFIRM
Name: http://support.avaya.com/elmodocs2/security/ASA-2009-083.htm
External Source: SECTRACK
Name: 1021829
External Source: SECUNIA
Name: 34217
External Source: BID
Name: 34013
External Source: VUPEN
Name: ADV-2009-0661
US-CERT Vulnerability Note: CERT
Name: TA09-069A
External Source: OSVDB
Name: 52520
External Source: OVAL
Name: oval:org.mitre.oval:def:6117

References to Check Content

Identifier: oval:org.mitre.oval:def:6117
Check System: http://oval.mitre.org/XMLSchema/oval-definitions-5

Technical Details

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