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From: Marc Deslauriers <marc.deslauriers@canonical.com>
Reply-To: Ubuntu Security <security@ubuntu.com>
To: ubuntu-security-announce@lists.ubuntu.com
Message-ID: <81c8a172-2edf-58c6-256b-dcbd638cff57@canonical.com>
Subject: [USN-3204-1] Tomcat vulnerability

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==========================================================================
Ubuntu Security Notice USN-3204-1
February 20, 2017

tomcat6, tomcat7 vulnerability
==========================================================================

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

- Ubuntu 14.04 LTS
- Ubuntu 12.04 LTS

Summary:

Tomcat could be made to consume resources if it received specially crafted
network traffic.

Software Description:
- tomcat7: Servlet and JSP engine
- tomcat6: Servlet and JSP engine

Details:

It was discovered that Tomcat incorrectly handled certain HTTP requests. A
remote attacker could possibly use this issue to cause Tomcat to consume
resources, resulting in a denial of service.

Update instructions:

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

Ubuntu 14.04 LTS:
  libtomcat7-java                 7.0.52-1ubuntu0.10
  tomcat7                         7.0.52-1ubuntu0.10

Ubuntu 12.04 LTS:
  libtomcat6-java                 6.0.35-1ubuntu3.11
  tomcat6                         6.0.35-1ubuntu3.11

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

References:
  http://www.ubuntu.com/usn/usn-3204-1
  CVE-2017-6056

Package Information:
  https://launchpad.net/ubuntu/+source/tomcat7/7.0.52-1ubuntu0.10
  https://launchpad.net/ubuntu/+source/tomcat6/6.0.35-1ubuntu3.11



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