Apache Tomcat URL appended with a null character could list directories

tomcat-null-directory-listing (11194) The risk level is classified as MediumMedium Risk

Description:

Apache Tomcat could allow a remote attacker to obtain sensitive information. If a remote attacker sends a URL request to the Web server appended with a null byte character, the Web server would return a list of the directories. An attacker could then use this information to launch further attacks against the affected host.


Consequences:

Obtain Information

Remedy:

Upgrade to the latest version of Tomcat (3.3.1a or later), available from the Apache Jakarta Project Web site. See References.

For Debian GNU/Linux 3.0 (woody):
Upgrade to the latest tomcat package (3.3a-4.1 or later), as listed in DSA-246-1. See References.

For HP-UX 11.00, 11.11, 11.20, and 11.22 :
Download and install the latest apache web server or tomcat servlet engine, as listed in Hewlett-Packard Company Security Bulletin HPSBUX0303-249. See References.

For other distributions:
Contact your vendor for upgrade or patch information.

References:

Platforms Affected:

  • Apache Tomcat 3.0
  • Apache Tomcat 3.1
  • Apache Tomcat 3.1.1
  • Apache Tomcat 3.2
  • Apache Tomcat 3.2.1
  • Apache Tomcat 3.2.3
  • Apache Tomcat 3.2.4
  • Apache Tomcat 3.3
  • Apache Tomcat 3.3.1
  • Debian Debian Linux 3.0
  • HP HP-UX 11.00
  • HP HP-UX 11.11
  • HP HP-UX 11.20
  • HP HP-UX 11.22

Reported:

Jan 25, 2003

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