1. Ubuntu Security Notices
  2. USN-4128-1

USN-4128-1: Tomcat vulnerabilities

Publication date

10 September 2019

Overview

Several security issues were fixed in Tomcat 8.

Releases

Packages

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)

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

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
18.04 bionic libtomcat8-java –  8.5.39-1ubuntu1~18.04.3
tomcat8 –  8.5.39-1ubuntu1~18.04.3
16.04 xenial libtomcat8-java –  8.0.32-1ubuntu1.10
tomcat8 –  8.0.32-1ubuntu1.10

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References

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