Ubuntu 6908-1: Tomcat Security Advisory Updates
Summary
A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 18.04 LTS - Ubuntu 16.04 LTS - Ubuntu 14.04 LTS Summary: Several security issues were fixed in Tomcat. Software Description: - tomcat7: Servlet 3.0 and JSP 2.2 Java API classes Details: It was discovered that the Tomcat SSI printenv command echoed user provided data without escaping it. An attacker could possibly use this issue to perform an XSS attack. (CVE-2019-0221) It was discovered that Tomcat incorrectly handled certain uncommon PersistenceManager with FileStore configurations. A remote attacker could possibly use this issue to execute arbitrary code. (CVE-2020-9484, CVE-2021-25329)
Update Instructions
The problem can be corrected by updating your system to the following package versions: Ubuntu 18.04 LTS libservlet3.0-java 7.0.78-1ubuntu0.1~esm1 Available with Ubuntu Pro Ubuntu 16.04 LTS libservlet3.0-java 7.0.68-1ubuntu0.4+esm2 Available with Ubuntu Pro libtomcat7-java 7.0.68-1ubuntu0.4+esm2 Available with Ubuntu Pro tomcat7 7.0.68-1ubuntu0.4+esm2 Available with Ubuntu Pro Ubuntu 14.04 LTS libservlet3.0-java 7.0.52-1ubuntu0.16+esm1 Available with Ubuntu Pro libtomcat7-java 7.0.52-1ubuntu0.16+esm1 Available with Ubuntu Pro tomcat7 7.0.52-1ubuntu0.16+esm1 Available with Ubuntu Pro In general, a standard system update will make all the necessary changes.
References
https://ubuntu.com/security/notices/USN-6908-1
CVE-2019-0221, CVE-2020-9484, CVE-2021-25329
![Dist Ubuntu](/images/distros/dist-ubuntu.png)
Package Information