--- title: 'USN-1048-1: Tomcat vulnerability | Ubuntu security notices' description: Ubuntu is an open source software operating system that runs from the desktop, to the cloud, to all your internet connected things. url: https://ubuntu.com/security/notices/USN-1048-1 --- 1. [Ubuntu Security Notices](https://ubuntu.com/security/notices) 2. USN-1048-1 --- # USN-1048-1: Tomcat vulnerability Publication date 24 January 2011 Overview Releases [10.10](https://ubuntu.com/security/notices?release=maverick) [10.04](https://ubuntu.com/security/notices?release=lucid) [9.10](https://ubuntu.com/security/notices?release=karmic) --- Open side navigation ## Packages * [tomcat6](https://ubuntu.com/security/cves?package=tomcat6) - ## Details It was discovered that Tomcat did not properly escape certain parameters in the Manager application which could result in browsers becoming vulnerable to cross-site scripting attacks when processing the output. With cross-site scripting vulnerabilities, if a user were tricked into viewing server output during a crafted server request, a remote attacker could exploit this to modify the contents, or steal confidential data (such as passwords), within the same domain. ## Update instructions In general, a standard system update will make all the necessary changes. [Learn more about how to get the fixes.](https://ubuntu.com/security/cves/about#security) The problem can be corrected by updating your system to the following package versions: | Ubuntu Release | Package Version | | --- | --- | | 9.10 karmic | [tomcat6-admin](https://launchpad.net/ubuntu/+source/tomcat6) –  [6.0.20-2ubuntu2.3](https://launchpad.net/ubuntu/+source/tomcat6/6.0.20-2ubuntu2.3) | | | | 10.10 maverick | [tomcat6-admin](https://launchpad.net/ubuntu/+source/tomcat6) –  [6.0.28-2ubuntu1.1](https://launchpad.net/ubuntu/+source/tomcat6/6.0.28-2ubuntu1.1) | | | | 10.04 lucid | [tomcat6-admin](https://launchpad.net/ubuntu/+source/tomcat6) –  [6.0.24-2ubuntu1.6](https://launchpad.net/ubuntu/+source/tomcat6/6.0.24-2ubuntu1.6) | | | --- ### Reduce your security exposure Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines. [Get Ubuntu Pro](https://ubuntu.com/pro) ## References * [CVE-2010-4172](https://ubuntu.com/security/CVE-2010-4172)