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[USN-3204-1] Tomcat vulnerability

Posted on 20 February 2017
Ubuntu Security

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

tomcat6, tomcat7 vulnerability
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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 crafte=
d
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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