Several security issues were fixed in Tomcat.
It was discovered that Tomcat incorrectly handled certain inconsistent HTTP headers. A remote attacker could possibly use this flaw to conduct request smuggling attacks. (CVE-2013-4286)
6 March 2014
A security issue affects these releases of Ubuntu and its derivatives:
Several security issues were fixed in Tomcat.
It was discovered that Tomcat incorrectly handled certain inconsistent HTTP headers. A remote attacker could possibly use this flaw to conduct request smuggling attacks. (CVE-2013-4286)
It was discovered that Tomcat incorrectly handled certain requests submitted using chunked transfer encoding. A remote attacker could use this flaw to cause the Tomcat server to stop responding, resulting in a denial of service. (CVE-2013-4322)
It was discovered that Tomcat incorrectly applied the disableURLRewriting setting when handling a session id in a URL. A remote attacker could possibly use this flaw to conduct session fixation attacks. This issue only applied to Ubuntu 12.04 LTS. (CVE-2014-0033)
It was discovered that Tomcat incorrectly handled malformed Content-Type headers and multipart requests. A remote attacker could use this flaw to cause the Tomcat server to stop responding, resulting in a denial of service. This issue only applied to Ubuntu 12.10 and Ubuntu 13.10. (CVE-2014-0050)
The problem can be corrected by updating your system to the following package versions:
To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.
In general, a standard system update will make all the necessary changes.
Vulmon