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USN-4128-2: Tomcat vulnerabilities

USN-4128-2: Tomcat vulnerabilities

tomcat9 vulnerabilities

A security issue affects these releases of Ubuntu and its derivatives:

Summary

Several security issues were fixed in Tomcat 9.

Software Description

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
libtomcat9-java9.0.16-3ubuntu0.19.04.1
tomcat99.0.16-3ubuntu0.19.04.1
Ubuntu 18.04 LTS
libtomcat9-java9.0.16-3ubuntu0.18.04.1
tomcat99.0.16-3ubuntu0.18.04.1

To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.

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

References

Source: USN-4128-2: Tomcat vulnerabilities

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