Apache Tomcat null character to threads denial of service

tomcat-null-thread-dos (9396) The risk level is classified as MediumMedium Risk


Apache Tomcat is vulnerable to a denial of service attack. A remote attacker can send specially-crafted URL requests containing a large amount of null characters to the server to cause the consumption of all threads on the server.


Denial of Service


Upgrade to the latest version of Apache Tomcat (4.1.3 beta or later), available from the Jakarta Project Web site. See References.


Platforms Affected:

  • Apache Tomcat 4.0.3
  • Microsoft Windows 2003 Server


Jun 20, 2002

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