Thursday, April 29, 2021

Ubuntu Security Notice USN-4892-1

Ubuntu Security Notice USN-4892-1
April 27, 2021

openjdk-8, openjdk-lts vulnerability
A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 20.10
- Ubuntu 20.04 LTS
- Ubuntu 18.04 LTS
- Ubuntu 16.04 LTS


OpenJDK's security restriction could be bypassed when verifying Jar

Software Description:
- openjdk-8: Open Source Java implementation
- openjdk-lts: Open Source Java implementation


It was discovered that OpenJDK incorrectly verified Jar signatures. An
attacker could possibly use this issue to bypass intended security
restrictions when using Jar files signed with a disabled algorithm.

Update instructions:

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

Ubuntu 20.10:
openjdk-11-jdk 11.0.11+9-0ubuntu2~20.10
openjdk-11-jre 11.0.11+9-0ubuntu2~20.10
openjdk-11-jre-headless 11.0.11+9-0ubuntu2~20.10
openjdk-11-jre-zero 11.0.11+9-0ubuntu2~20.10
openjdk-8-jdk 8u292-b10-0ubuntu1~20.10
openjdk-8-jre 8u292-b10-0ubuntu1~20.10
openjdk-8-jre-headless 8u292-b10-0ubuntu1~20.10
openjdk-8-jre-zero 8u292-b10-0ubuntu1~20.10

Ubuntu 20.04 LTS:
openjdk-11-jdk 11.0.11+9-0ubuntu2~20.04
openjdk-11-jre 11.0.11+9-0ubuntu2~20.04
openjdk-11-jre-headless 11.0.11+9-0ubuntu2~20.04
openjdk-11-jre-zero 11.0.11+9-0ubuntu2~20.04
openjdk-8-jdk 8u292-b10-0ubuntu1~20.04
openjdk-8-jre 8u292-b10-0ubuntu1~20.04
openjdk-8-jre-headless 8u292-b10-0ubuntu1~20.04
openjdk-8-jre-zero 8u292-b10-0ubuntu1~20.04

Ubuntu 18.04 LTS:
openjdk-11-jdk 11.0.11+9-0ubuntu2~18.04
openjdk-11-jre 11.0.11+9-0ubuntu2~18.04
openjdk-11-jre-headless 11.0.11+9-0ubuntu2~18.04
openjdk-11-jre-zero 11.0.11+9-0ubuntu2~18.04
openjdk-8-jdk 8u292-b10-0ubuntu1~18.04
openjdk-8-jre 8u292-b10-0ubuntu1~18.04
openjdk-8-jre-headless 8u292-b10-0ubuntu1~18.04
openjdk-8-jre-zero 8u292-b10-0ubuntu1~18.04

Ubuntu 16.04 LTS:
openjdk-8-jdk 8u292-b10-0ubuntu1~16.04.1
openjdk-8-jre 8u292-b10-0ubuntu1~16.04.1
openjdk-8-jre-headless 8u292-b10-0ubuntu1~16.04.1
openjdk-8-jre-zero 8u292-b10-0ubuntu1~16.04.1

This update uses a new upstream release, which includes additional bug
fixes. After a standard system update you need to restart any Java
applications or applets to make all the necessary changes.


Package Information:

Copyright © 2021 Vulnerability Database | Cyber Details™

thank you Templateism for the design - You should have written the code a little more complicated - Nothing Encrypted anymore