USN-4128-1: Tomcat vulnerabilities

Releases

• Ubuntu 18.04 ESM
• Ubuntu 16.04 ESM

Packages

• tomcat8 - Servlet and JSP engine

Details

It was discovered that the Tomcat 8 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 8 did not address HTTP/2 connection window
exhaustion on write while addressing CVE-2019-0199. An attacker could
possibly use this issue to cause a denial of service. (CVE-2019-10072)

Update instructions

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

Ubuntu 18.04

• libtomcat8-java - 8.5.39-1ubuntu1~18.04.3
• tomcat8 - 8.5.39-1ubuntu1~18.04.3

Ubuntu 16.04

• libtomcat8-java - 8.0.32-1ubuntu1.10
• tomcat8 - 8.0.32-1ubuntu1.10

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

References

• CVE-2019-0221
• CVE-2019-10072

Related notices

• USN-4128-2: tomcat9-user, tomcat9-admin, tomcat9-docs, tomcat9-examples, tomcat9, libtomcat9-java, tomcat9-common, libtomcat9-embed-java
• USN-6908-1: tomcat7-admin, tomcat7-common, tomcat7-user, libservlet3.0-java-doc, tomcat7, libtomcat7-java, tomcat7-examples, tomcat7-docs, libservlet3.0-java