USN-2130-1: Tomcat vulnerabilities

Ubuntu Security Notice USN-2130-1

6th March, 2014

tomcat6, tomcat7 vulnerabilities

A security issue affects these releases of Ubuntu and its derivatives:

• Ubuntu 13.10


• Ubuntu 12.10


• Ubuntu 12.04 LTS


• Ubuntu 10.04 LTS

Summary

Several security issues were fixed in Tomcat.

Software description

• 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 version:

Ubuntu 13.10:

libtomcat7-java 7.0.42-1ubuntu0.1

Ubuntu 12.10:

libtomcat7-java 7.0.30-0ubuntu1.3

Ubuntu 12.04 LTS:

libtomcat6-java 6.0.35-1ubuntu3.4

Ubuntu 10.04 LTS:

libtomcat6-java 6.0.24-2ubuntu1.15

To update your system, please follow these instructions: http://bit.ly/1aJDvTw.

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

References

CVE-2013-4286, CVE-2013-4322, CVE-2014-0033, CVE-2014-0050

via Ubuntu Security Notices http://bit.ly/1ccPQW0