National Cyber Awareness System

Vulnerability Summary for CVE-2009-0094

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 Version 2 Metrics:

References to Advisories, Solutions, and Tools

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US-CERT Technical Alert: TA09-069A

Name: TA09-069A

Hyperlink:http://www.us-cert.gov/cas/techalerts/TA09-069A.html

External Source: MS

Name: MS09-008

Type: Advisory; Patch Information

Hyperlink:http://www.microsoft.com/technet/security/Bulletin/MS09-008.mspx

External Source: VUPEN

Name: ADV-2009-0661

Hyperlink:http://www.vupen.com/english/advisories/2009/0661

External Source: SECTRACK

Name: 1021829

Hyperlink:http://www.securitytracker.com/id?1021829

External Source: BID

Name: 34013

Hyperlink:http://www.securityfocus.com/bid/34013

External Source: CONFIRM

Name: http://support.avaya.com/elmodocs2/security/ASA-2009-083.htm

Hyperlink:http://support.avaya.com/elmodocs2/security/ASA-2009-083.htm

External Source: SECUNIA

Name: 34217

Hyperlink:http://secunia.com/advisories/34217

External Source: OVAL

Name: oval:org.mitre.oval:def:6117

Hyperlink:http://oval.mitre.org/repository/data/getDef?id=oval:org.mitre.oval:def:6117

External Source: OSVDB

Name: 52520

Hyperlink:http://osvdb.org/52520

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

Hyperlink:http://blogs.technet.com/srd/archive/2009/03/13/ms09-008-dns-and-wins-server-security-update-in-more-detail.aspx

References to Check Content

Identifier:oval:org.mitre.oval:def:6117

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

Hyperlink:http://oval.mitre.org/repository/data/DownloadDefinition?id=oval:org.mitre.oval:def:6117