USN-4128-2: Tomcat vulnerabilities
18 September 2019
Several security issues were fixed in Tomcat 9.
Releases
Packages
- tomcat9 - Servlet and JSP engine
Details
It was discovered that the Tomcat 9 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 9 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 19.04
Ubuntu 18.04
In general, a standard system update will make all the necessary changes.
References
Related notices
- USN-4128-1: libservlet3.1-java, tomcat8, tomcat8-admin, tomcat8-docs, tomcat8-user, libtomcat8-java, tomcat8-common, tomcat8-examples, libtomcat8-embed-java, libservlet3.1-java-doc
- USN-6908-1: tomcat7-docs, libtomcat7-java, tomcat7, tomcat7-examples, tomcat7-user, tomcat7-admin, tomcat7-common, libservlet3.0-java-doc, libservlet3.0-java