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AUSCERT External Security Bulletin Redistribution
ESB-2018.3093
Tomcat vulnerability
11 October 2018
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AusCERT Security Bulletin Summary
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Product: Apache Tomcat
Publisher: Ubuntu
Operating System: Ubuntu
Impact/Access: Provide Misleading Information -- Remote with User Interaction
Resolution: Patch/Upgrade
CVE Names: CVE-2018-11784
Reference: ESB-2018.2992
Original Bulletin:
http://www.ubuntu.com/usn/usn-3787-1
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Ubuntu Security Notice USN-3787-1
October 10, 2018
tomcat7, tomcat8 vulnerability
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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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