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An OpenJDK security update has been released for Ubuntu Linux 16.04 ESM, 18.04 LTS, 20.04 LTS, 22.04 LTS, and 22.10.



USN-5898-1: OpenJDK vulnerabilities


=========================================================================
Ubuntu Security Notice USN-5898-1
February 28, 2023

openjdk-8 vulnerabilities
=========================================================================
A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 22.10
- Ubuntu 22.04 LTS
- Ubuntu 20.04 LTS
- Ubuntu 18.04 LTS
- Ubuntu 16.04 ESM

Summary:

Several security issues were fixed in OpenJDK.

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

Details:

It was discovered that the Serialization component of OpenJDK did not
properly handle the deserialization of some CORBA objects. An attacker
could possibly use this to bypass Java sandbox restrictions.
(CVE-2023-21830)

Markus Loewe discovered that the Java Sound subsystem in OpenJDK did not
properly validate the origin of a Soundbank. An attacker could use this to
specially craft an untrusted Java application or applet that could load a
Soundbank from an attacker controlled remote URL. (CVE-2023-21843)

Update instructions:

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

Ubuntu 22.10:
openjdk-8-jdk 8u362-ga-0ubuntu1~22.10
openjdk-8-jre 8u362-ga-0ubuntu1~22.10
openjdk-8-jre-headless 8u362-ga-0ubuntu1~22.10
openjdk-8-jre-zero 8u362-ga-0ubuntu1~22.10

Ubuntu 22.04 LTS:
openjdk-8-jdk 8u362-ga-0ubuntu1~22.04
openjdk-8-jre 8u362-ga-0ubuntu1~22.04
openjdk-8-jre-headless 8u362-ga-0ubuntu1~22.04
openjdk-8-jre-zero 8u362-ga-0ubuntu1~22.04

Ubuntu 20.04 LTS:
openjdk-8-jdk 8u362-ga-0ubuntu1~20.04.1
openjdk-8-jre 8u362-ga-0ubuntu1~20.04.1
openjdk-8-jre-headless 8u362-ga-0ubuntu1~20.04.1
openjdk-8-jre-zero 8u362-ga-0ubuntu1~20.04.1

Ubuntu 18.04 LTS:
openjdk-8-jdk 8u362-ga-0ubuntu1~18.04.1
openjdk-8-jre 8u362-ga-0ubuntu1~18.04.1
openjdk-8-jre-headless 8u362-ga-0ubuntu1~18.04.1
openjdk-8-jre-zero 8u362-ga-0ubuntu1~18.04.1

Ubuntu 16.04 ESM:
openjdk-8-jdk 8u362-ga-0ubuntu1~16.04.1
openjdk-8-jre 8u362-ga-0ubuntu1~16.04.1
openjdk-8-jre-headless 8u362-ga-0ubuntu1~16.04.1
openjdk-8-jre-zero 8u362-ga-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.

References:
  https://ubuntu.com/security/notices/USN-5898-1
CVE-2023-21830, CVE-2023-21843

Package Information:
  https://launchpad.net/ubuntu/+source/openjdk-8/8u362-ga-0ubuntu1~22.10
  https://launchpad.net/ubuntu/+source/openjdk-8/8u362-ga-0ubuntu1~22.04
  https://launchpad.net/ubuntu/+source/openjdk-8/8u362-ga-0ubuntu1~20.04.1
  https://launchpad.net/ubuntu/+source/openjdk-8/8u362-ga-0ubuntu1~18.04.1