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Ubuntu 23.10 USN-6660-1 Critical: OpenJDK 11 Remote Code Execution

ubuntu
Calendar Grey February 27, 2024
Dist Ubuntu Esm H88
Ubuntu Security Notice USN-6661-2 highlights several vulnerabilities in OpenJDK 17 which may facilitate critical security breaches.
Several security issues were fixed in OpenJDK 11.

Summary

Several security issues were fixed in OpenJDK 11.

Software Description:

- openjdk-lts: Open Source Java implementation

Details:

Yi Yang discovered that the Hotspot component of OpenJDK 11 incorrectly

handled array accesses in the C1 compiler. An attacker could possibly

use this issue to cause a denial of service, execute arbitrary code or

bypass Java sandbox restrictions. (CVE-2024-20918)

It was discovered that the Hotspot component of OpenJDK 11 did not

properly verify bytecode in certain situations. An attacker could

possibly use this issue to bypass Java sandbox restrictions.

(CVE-2024-20919)

It was discovered that the Hotspot component of OpenJDK 11 had an

optimization flaw when generating range check loop predicates. An attacker

could possibly use this issue to cause a denial of service, execute

arbitrary code or bypass Java sandbox restrictions. (CVE-2024-20921)

Valentin Eudeline discovered that OpenJDK 11 incorrectly handled certain

options in t...

Read the Full Advisory

Topics%20covered

Topics Covered

security advisory denial of service remote code execution ubuntu openjdk-lts

Update Instructions

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

Ubuntu 23.10:
   openjdk-11-jdk                  11.0.22+7-0ubuntu2~23.10.1
   openjdk-11-jdk-headless         11.0.22+7-0ubuntu2~23.10.1
   openjdk-11-jre                  11.0.22+7-0ubuntu2~23.10.1
   openjdk-11-jre-headless         11.0.22+7-0ubuntu2~23.10.1
   openjdk-11-jre-zero             11.0.22+7-0ubuntu2~23.10.1

Ubuntu 22.04 LTS:
   openjdk-11-jdk                  11.0.22+7-0ubuntu2~22.04.1
   openjdk-11-jdk-headless         11.0.22+7-0ubuntu2~22.04.1
   openjdk-11-jre                  11.0.22+7-0ubuntu2~22.04.1
   openjdk-11-jre-headless         11.0.22+7-0ubuntu2~22.04.1
   openjdk-11-jre-zero             11.0.22+7-0ubuntu2~22.04.1

Ubuntu 20.04 LTS:
   openjdk-11-jdk                  11.0.22+7-0ubuntu2~20.04.1
   openjdk-11-jdk-headless         11.0.22+7-0ubuntu2~20.04.1
   openjdk-11-jre                  11.0.22+7-0ubuntu2~20.04.1
   openjdk-11-jre-headless         11.0.22+7-0ubuntu2~20.04.1
   openjdk-11-jre-zero             11.0.22+7-0ubuntu2~20.04.1

Ubuntu 18.04 LTS (Available with Ubuntu Pro):
   openjdk-11-jdk                  11.0.22+7-0ubuntu2~18.04.1
   openjdk-11-jdk-headless         11.0.22+7-0ubuntu2~18.04.1
   openjdk-11-jre                  11.0.22+7-0ubuntu2~18.04.1
   openjdk-11-jre-headless         11.0.22+7-0ubuntu2~18.04.1
   openjdk-11-jre-zero             11.0.22+7-0ubuntu2~18.04.1

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

References

https://ubuntu.com/security/notices/USN-6660-1

CVE-2024-20918, CVE-2024-20919, CVE-2024-20921, CVE-2024-20926,

CVE-2024-20945, CVE-2024-20952

Severity
critical
Lowest
Low
Medium
High
Critical

Ubuntu Security Notice USN-6660-1

Topics%20covered

Topics Covered

security advisory denial of service remote code execution ubuntu openjdk-lts

Package Information

https://launchpad.net/ubuntu/+source/openjdk-lts/11.0.22+7-0ubuntu2~23.10.1
https://launchpad.net/ubuntu/+source/openjdk-lts/11.0.22+7-0ubuntu2~22.04.1
https://launchpad.net/ubuntu/+source/openjdk-lts/11.0.22+7-0ubuntu2~20.04.1

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