Microsoft Windows 2000 Domain Controller LSASS LDAP message denial of service
| win2k-lsass-ldap-dos (15700) |  Medium Risk |
Description:
Microsoft Windows 2000 Servers when serving as Domain Controllers are vulnerable to a denial of service attack. By sending a specially-crafted LDAP (Lightweight Directory Access Protocol) message to the affected domain controller, a remote attacker could cause the system to restart and the Local Security Authority Subsystem Service (LSASS) service to stop responding to authentication requests.
Platforms Affected:
- Microsoft, Windows 2000 Server
Remedy:
Apply the appropriate patch for your system, as listed in the Microsoft Security Bulletin MS04-011. See References.
Consequences:
Denial of Service
References:
- CIAC Information Bulletin O-114, Microsoft Security Update for Microsoft Windows at http://www.ciac.org/ciac/bulletins/o-114.shtml.
- CIAC Information Bulletin O-114, Microsoft Security Update for Microsoft Windows [REVISED 25 Jun 2004] at http://www.ciac.org/ciac/bulletins/o-114.shtml.
- Internet Security Systems Security Alert, April 13, 2004, Multiple Vulnerabilities in Microsoft Products at http://xforce.iss.net/xforce/alerts/id/169.
- Microsoft Security Bulletin MS04-011, Security Update for Microsoft Windows (835732) at http://www.microsoft.com/technet/security/bulletin/ms04-011.mspx.
- BID-10114: Microsoft Windows 2000 Domain Controller LDAP Denial Of Service Vulnerability
- CVE-2003-0663: Unknown vulnerability in the Local Security Authority Subsystem Service (LSASS) in Windows 2000 domain controllers allows remote attackers to cause a denial of service via a crafted LDAP message.
- US-CERT VU#639428: Microsoft Windows 2000 LSASS fails to properly handle certain LDAP messages
Reported:
Apr 13, 2004
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