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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.
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.
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.
CVSS 2.0 Base Score 5.5. CVSS Attack Vector: network. CVSS Attack Complexity: low. CVSS Vector: (AV:N/AC:L/Au:S/C:N/I:P/A:P).
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