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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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