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USN-3723-1: Tomcat vulnerabilities

25 July 2018

Several security issues were fixed in Tomcat.

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Releases

Packages

Details

It was discovered that Tomcat incorrectly handled decoding certain
UTF-8 strings. A remote attacker could possibly use this issue to cause
Tomcat to crash, resulting in a denial of service. (CVE-2018-1336)

It was discovered that the Tomcat WebSocket client incorrectly performed
hostname verification. A remote attacker could possibly use this issue to
intercept sensitive information. (CVE-2018-8034)

Reduce your security exposure

Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.

Learn more about Ubuntu Pro

Update instructions

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

Ubuntu 16.04
Ubuntu 14.04

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

Related notices

  • USN-4791-1: libservlet3.0-java, libtomcat7-java, libservlet3.0-java-doc, tomcat7-examples, tomcat7-admin, tomcat7-user, tomcat7, tomcat7-docs, tomcat7-common