1. Ubuntu Security Notices
  2. USN-4791-1

USN-4791-1: Apache Tomcat 7 vulnerabilities

Publication date

15 March 2021

Overview

Several security issues were fixed in Apache Tomcat 7.

Releases

Packages

Details

It was discovered that Apache Tomcat 7 did not protect applications from the
presence of untrusted client data in an environment variable. A remote
attacker could possible use this vulnerability to redirect the traffic to an
arbitrary proxy and obtain sensitive information. (CVE-2016-5388)

It was discovered that Apache Tomcat 7 mishandled specially crafted input.
An attacker could use this vulnerability to cause a denial of service.
(CVE-2018-1336)

It was discovered that Apache Tomcat 7 did not protect applications from the
presence of untrusted client data in an environment variable. A remote
attacker could possible use this vulnerability to redirect the traffic to an
arbitrary proxy and obtain sensitive information. (CVE-2016-5388)

It was discovered that Apache Tomcat 7 mishandled specially crafted input.
An attacker could use this vulnerability to cause a denial of service.
(CVE-2018-1336)

Update instructions

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

Learn more about how to get the fixes.

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

Ubuntu Release Package Version
16.04 xenial tomcat7-common –  7.0.68-1ubuntu0.4+esm1  
libservlet3.0-java –  7.0.68-1ubuntu0.4+esm1  
tomcat7 –  7.0.68-1ubuntu0.4+esm1  
libtomcat7-java –  7.0.68-1ubuntu0.4+esm1  
tomcat7-user –  7.0.68-1ubuntu0.4+esm1  
tomcat7-admin –  7.0.68-1ubuntu0.4+esm1  

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References

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