Microsoft Windows kerberos message denial of service
| win-kerberos-message-dos (21625) |  Low Risk |
Description:
Microsoft Windows Server could allow a remote attacker to cause a denial of service. A remote attacker, who is authenticated with valid logon credentials, could send a specially-crafted Kerberos message to the server to cause the server to restart, during which the server will stop responding to authentication requests, resulting in a denial of service.
Platforms Affected:
- Microsoft, Windows 2000 Server
- Microsoft, Windows 2003 Server x64
- Microsoft, Windows 2003 Server
- Microsoft, Windows 2003 Server SP1 Itanium
- Microsoft, Windows 2003 Server Itanium
- Microsoft, Windows 2003 Server SP1
- MIT, Kerberos
Remedy:
Apply the appropriate patch for your system, as listed in Microsoft Security Bulletin MS05-042. See References.
Consequences:
Denial of Service
References:
- CIAC Information Bulletin P-269, Vulnerabilities in Kerberos at http://www.ciac.org/ciac/bulletins/p-269.shtml.
- Microsoft Security Bulletin MS05-042, Vulnerabilities in Kerberos Could Allow Denial of Service, Information Disclosure, and Spoofing (899587) at http://www.microsoft.com/technet/security/Bulletin/MS05-042.mspx.
- BID-14519: Microsoft Windows Kerberos Denial Of Service Vulnerability
- CVE-2005-1981: Unknown vulnerability in Microsoft Windows 2000 Server and Windows Server 2003 domain controllers allows remote authenticated users to cause a denial of service (system crash) via a crafted Kerberos message.
- SA16368: Microsoft Windows Two Kerberos Vulnerabilities
- SECTRACK ID: 1014642: Microsoft Windows Kerberos and PKINIT Vulnerabilities Allow Denial of Service, Information Disclosure, and Spoofing
- US-CERT VU#610133: Microsoft Windows domain controller denial of service in Kerberos message handling
Reported:
Aug 09, 2005
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