USN-899-1: Tomcat vulnerabilities

11 February 2010

tomcat6 vulnerabilities

A security issue affects these releases of Ubuntu and its derivatives:

  • Ubuntu 9.10
  • Ubuntu 9.04
  • Ubuntu 8.10

Software Description

  • tomcat6

Details

It was discovered that Tomcat did not correctly validate WAR filenames or paths when deploying. A remote attacker could send a specially crafted WAR file to be deployed and cause arbitrary files and directories to be created, overwritten, or deleted.

Update instructions

The problem can be corrected by updating your system to the following package versions:

Ubuntu 9.10
libtomcat6-java - 6.0.20-2ubuntu2.1
Ubuntu 9.04
libtomcat6-java - 6.0.18-0ubuntu6.2
Ubuntu 8.10
libtomcat6-java - 6.0.18-0ubuntu3.3

To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.

In general, a standard system upgrade is sufficient to effect the necessary changes.

References