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Ubuntu Security Notice USN-3787-1

Ubuntu Security Notice USN-3787-1
Posted Oct 10, 2018
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3787-1 - It was discovered that Tomcat incorrectly handled returning redirects to a directory. A remote attacker could possibly use this issue with a specially crafted URL to redirect to arbitrary URIs.

tags | advisory, remote, arbitrary
systems | linux, ubuntu
advisories | CVE-2018-11784
MD5 | efdee0a52ec648f69a1310f947764a1a

Ubuntu Security Notice USN-3787-1

Change Mirror Download
==========================================================================
Ubuntu Security Notice USN-3787-1
October 10, 2018

tomcat7, tomcat8 vulnerability
==========================================================================

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

- Ubuntu 16.04 LTS
- Ubuntu 14.04 LTS

Summary:

Tomcat could be made to redirect to arbitrary locations.

Software Description:
- tomcat8: Servlet and JSP engine
- tomcat7: Servlet and JSP engine

Details:

It was discovered that Tomcat incorrectly handled returning redirects to a
directory. A remote attacker could possibly use this issue with a specially
crafted URL to redirect to arbitrary URIs.

Update instructions:

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

Ubuntu 16.04 LTS:
libtomcat8-java 8.0.32-1ubuntu1.8
tomcat8 8.0.32-1ubuntu1.8

Ubuntu 14.04 LTS:
libtomcat7-java 7.0.52-1ubuntu0.16
tomcat7 7.0.52-1ubuntu0.16

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

References:
https://usn.ubuntu.com/usn/usn-3787-1
CVE-2018-11784

Package Information:
https://launchpad.net/ubuntu/+source/tomcat8/8.0.32-1ubuntu1.8
https://launchpad.net/ubuntu/+source/tomcat7/7.0.52-1ubuntu0.16

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