USN-5360-1: Tomcat vulnerabilities
31 March 2022
Several security issues were fixed in Tomcat.
Releases
Packages
- tomcat9 - Apache Tomcat 9 - Servlet and JSP engine
Details
It was discovered that Tomcat incorrectly performed input verification.
A remote attacker could possibly use this issue to intercept sensitive
information. (CVE-2020-13943, CVE-2020-17527, CVE-2021-25122, CVE-2021-30640)
It was discovered that Tomcat did not properly deserialize untrusted data.
An attacker could possibly use this issue to execute arbitrary code.
(CVE-2020-9484, CVE-2021-33037)
It was discovered that Tomcat did not properly validate the input length. An
attacker could possibly use this to trigger an infinite loop, resulting in a
denial of service. (CVE-2021-25329, CVE-2021-41079)
Update instructions
The problem can be corrected by updating your system to the following package versions:
Ubuntu 20.04
-
tomcat9
-
9.0.31-1ubuntu0.2
-
tomcat9-common
-
9.0.31-1ubuntu0.2
-
libtomcat9-java
-
9.0.31-1ubuntu0.2
-
libtomcat9-embed-java
-
9.0.31-1ubuntu0.2
Ubuntu 18.04
-
tomcat9
-
9.0.16-3ubuntu0.18.04.2
-
tomcat9-common
-
9.0.16-3ubuntu0.18.04.2
-
libtomcat9-java
-
9.0.16-3ubuntu0.18.04.2
-
libtomcat9-embed-java
-
9.0.16-3ubuntu0.18.04.2
In general, a standard system update will make all the necessary changes.
Related notices
- USN-4448-1: tomcat8-common, libtomcat8-java, tomcat8-admin, libservlet3.1-java, tomcat8, tomcat8-user, tomcat8-docs, libservlet3.1-java-doc, tomcat8-examples
- USN-4596-1: tomcat9-admin, tomcat9, libtomcat9-java, tomcat9-user, libtomcat9-embed-java, tomcat9-docs, tomcat9-common, tomcat9-examples
- USN-6908-1: tomcat7-common, tomcat7, tomcat7-user, tomcat7-admin, libtomcat7-java, tomcat7-docs, tomcat7-examples, libservlet3.0-java, libservlet3.0-java-doc
- USN-6943-1: tomcat9-admin, libtomcat9-java, tomcat8-common, tomcat9, tomcat9-user, libtomcat8-java, libtomcat9-embed-java, tomcat8-admin, libservlet3.1-java, tomcat8, tomcat8-user, tomcat8-docs, libtomcat8-embed-java, libservlet3.1-java-doc, tomcat9-common, tomcat9-docs, tomcat9-examples, tomcat8-examples