USN-2130-1: Tomcat vulnerabilities

06 March 2014

Several security issues were fixed in Tomcat.

Releases

Packages

  • tomcat6 - Servlet and JSP engine
  • tomcat7 - Servlet and JSP engine

Details

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)

Update instructions

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

Ubuntu 13.10
Ubuntu 12.10
Ubuntu 12.04
Ubuntu 10.04

In general, a standard system update will make all the necessary changes.