Microsoft Windows NT DHCP MachineName denial of service
| winnt-dhcp-machinename-dos (18341) |  Medium Risk |
Description:
Microsoft Windows is vulnerable to a denial of service attack, caused by improper bounds checking of the MachineName value by the Dynamic Host Configuration Protocol (DHCP) server. By sending a specially-crafted DHCP message, a remote attacker could cause the DHCP server to stop responding to legitimate requests.
Consequences:
Denial of Service
Remedy:
Apply the appropriate patch for your system, as listed in Microsoft Security Bulletin MS04-042. See References.
References:
- CIAC Information Bulletin P-053: Microsoft DHCP Vulnerabilities.
- Microsoft Security Bulletin MS04-042: Vulnerability in DHCP Could Allow Remote Code Execution and Denial Of Service (885249).
- BID-11919: Microsoft Windows DHCP Server Logging Remote Denial Of Service Vulnerability
- CVE-2004-0899: The DHCP Server service for Microsoft Windows NT 4.0 Server and Terminal Server Edition, with DHCP logging enabled, does not properly validate the length of certain messages, which allows remote attackers to cause a denial of service (application crash) via a malformed DHCP message, aka Logging Vulnerability.
Platforms Affected:
- Microsoft Windows NT 4.0 SP6 Terminal Server
- Microsoft Windows NT 4.0 SP6a Server
Reported:
Dec 14, 2004
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