USN-2655-1: Tomcat vulnerabilities

Ubuntu Security Notice USN-2655-1

25th June, 2015

tomcat6 vulnerabilities

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

• Ubuntu 12.04 LTS

Summary

Several security issues were fixed in Tomcat.

Software description

• tomcat6 - Servlet and JSP engine

Details

It was discovered that Tomcat incorrectly handled data with malformed
chunked transfer coding. A remote attacker could possibly use this issue to
conduct HTTP request smuggling attacks, or cause Tomcat to consume
resources, resulting in a denial of service. (CVE-2014-0227)

It was discovered that Tomcat incorrectly handled HTTP responses occurring
before the entire request body was finished being read. A remote attacker
could possibly use this issue to cause memory consumption, resulting in a
denial of service. (CVE-2014-0230)

It was discovered that the Tomcat Expression Language (EL) implementation
incorrectly handled accessible interfaces implemented by inaccessible
classes. An attacker could possibly use this issue to bypass a
SecurityManager protection mechanism. (CVE-2014-7810)

Update instructions

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

Ubuntu 12.04 LTS:

libtomcat6-java 6.0.35-1ubuntu3.6

To update your system, please follow these instructions: http://ift.tt/17VXqjU.

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

References

CVE-2014-0227, CVE-2014-0230, CVE-2014-7810

from Ubuntu Security Notices http://ift.tt/1SMZaRB