==========================================================================
Ubuntu Security Notice USN-6880-1
July 09, 2024
Tomcat vulnerability
==========================================================================
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 22.04 LTS
- Ubuntu 20.04 LTS
- Ubuntu 18.04 LTS
Summary:
Tomcat could allow unintended access to network services.
Software Description:
- tomcat9: Apache Tomcat 9 - Servlet and JSP engine
- tomcat8: Apache Tomcat 8 - Servlet and JSP engine
Details:
Sam Shahsavar discovered that Apache Tomcat did not properly reject
HTTP requests with an invalid Content-Length header. A remote attacker
could possibly use this issue to perform HTTP request smuggling attacks.
Update instructions:
The problem can be corrected by updating your system to the following
package versions:
Ubuntu 22.04 LTS
   libtomcat9-java                 9.0.58-1ubuntu0.1+esm1
                                   Available with Ubuntu Pro
   tomcat9                         9.0.58-1ubuntu0.1+esm1
                                   Available with Ubuntu Pro
Ubuntu 20.04 LTS
   libtomcat9-java                 9.0.31-1ubuntu0.5
   tomcat9                         9.0.31-1ubuntu0.5
Ubuntu 18.04 LTS
   libtomcat8-java                 8.5.39-1ubuntu1~18.04.3+esm1
                                   Available with Ubuntu Pro
   libtomcat9-java                 9.0.16-3ubuntu0.18.04.2+esm1
                                   Available with Ubuntu Pro
   tomcat8                         8.5.39-1ubuntu1~18.04.3+esm1
                                   Available with Ubuntu Pro
   tomcat9                         9.0.16-3ubuntu0.18.04.2+esm1
                                   Available with Ubuntu Pro
In general, a standard system update will make all the necessary changes.
References:
   https://ubuntu.com/security/notices/USN-6880-1
   CVE-2022-42252
Package Information:
   https://launchpad.net/ubuntu/+source/tomcat9/9.0.31-1ubuntu0.5