Ubuntu Update for tomcat7 USN-2302-1

Solution
Please Install the Updated Packages.
Insight
David Jorm 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 consume resources, resulting in a denial of service. (CVE-2014-0075) It was discovered that Tomcat did not properly restrict XSLT stylesheets. An attacker could use this issue with a crafted web application to bypass security-manager restrictions and read arbitrary files. (CVE-2014-0096) It was discovered that Tomcat incorrectly handled certain Content-Length headers. A remote attacker could use this flaw in configurations where Tomcat is behind a reverse proxy to perform HTTP request smuggling attacks. (CVE-2014-0099)
Affected
tomcat7 on Ubuntu 14.04 LTS , Ubuntu 12.04 LTS , Ubuntu 10.04 LTS
References