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AUSCERT External Security Bulletin Redistribution
21 February 2017
AusCERT Security Bulletin Summary
Operating System: Ubuntu
Impact/Access: Denial of Service -- Remote/Unauthenticated
CVE Names: CVE-2017-6056
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USN-3204-1: Tomcat vulnerability
Ubuntu Security Notice USN-3204-1
20th February, 2017
tomcat6, tomcat7 vulnerability
A security issue affects these releases of Ubuntu and its derivatives:
Ubuntu 14.04 LTS
Ubuntu 12.04 LTS
Tomcat could be made to consume resources if it received specially crafted
tomcat6 - Servlet and JSP engine
tomcat7 - Servlet and JSP engine
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.
The problem can be corrected by updating your system to the following package
Ubuntu 14.04 LTS:
Ubuntu 12.04 LTS:
To update your system, please follow these instructions:
In general, a standard system update will make all the necessary changes.
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