USN-3519-1: Tomcat vulnerabilities
Ubuntu Security Notice USN-3519-1
8th January, 2018
tomcat7, tomcat8 vulnerabilities
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 17.04
- Ubuntu 16.04 LTS
- Ubuntu 14.04 LTS
Several security issues were fixed in Tomcat.
- tomcat7 - Servlet and JSP engine
- tomcat8 - Servlet and JSP engine
It was discovered that Tomcat incorrectly handled certain pipelined
requests when sendfile was used. A remote attacker could use this issue to
obtain wrong responses possibly containing sensitive information.
It was discovered that Tomcat incorrectly used the appropriate facade
object. A malicious application could possibly use this to bypass Security
Manager restrictions. (CVE-2017-5648)
It was discovered that Tomcat incorrectly handled error pages. A remote
attacker could possibly use this issue to replace or remove the custom
error page. (CVE-2017-5664)
It was discovered that Tomcat incorrectly handled the CORS filter. A remote
attacker could possibly use this issue to perform cache poisoning.
The problem can be corrected by updating your system to the following package version:
- Ubuntu 17.04:
- tomcat8 8.0.38-2ubuntu2.2
- libtomcat8-java 8.0.38-2ubuntu2.2
- Ubuntu 16.04 LTS:
- tomcat8 8.0.32-1ubuntu1.5
- libtomcat8-java 8.0.32-1ubuntu1.5
- Ubuntu 14.04 LTS:
- tomcat7 7.0.52-1ubuntu0.13
- libtomcat7-java 7.0.52-1ubuntu0.13
To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.
In general, a standard system update will make all the necessary changes.