Ubuntu: 1841-1 Moderate Tomcat Denial Of Service And Auth Issues

ubuntu

May 28, 2013

Several security issues were fixed in Tomcat.

Summary

Several security issues were fixed in Tomcat.

Software Description:

- tomcat7: Servlet and JSP engine

- tomcat6: Servlet and JSP engine

Details:

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. This issue only affected Ubuntu 10.04 LTS and Ubuntu 12.04 LTS.

(CVE-2012-3544)

It was discovered that Tomcat incorrectly handled certain authentication

requests. A remote attacker could possibly use this flaw to inject a

request that would get executed with a victim's credentials. This issue

only affected Ubuntu 10.04 LTS, Ubuntu 12.04 LTS, and Ubuntu 12.10.

(CVE-2013-2067)

It was discovered that Tomcat sometimes exposed elements of a previous

request to the current request. This could allow a remote attacker to

possibly obtain sensitive information. This issue only affected Ubuntu

12....

Read the Full Advisory

Topics Covered

security advisory denial of service moderate severity update instructions tomcat ubuntu auth issue

Update Instructions

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

Ubuntu 13.04:
  libtomcat7-java                 7.0.35-1~exp2ubuntu1.1

Ubuntu 12.10:
  libtomcat7-java                 7.0.30-0ubuntu1.2

Ubuntu 12.04 LTS:
  libtomcat6-java                 6.0.35-1ubuntu3.3

Ubuntu 10.04 LTS:
  libtomcat6-java                 6.0.24-2ubuntu1.13

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