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Ubuntu 23.10 USN-6811-1 Moderate: OpenJDK Denial of Service

ubuntu
Calendar Grey June 6, 2024
Dist Ubuntu Esm H88
The latest updates in OpenJDK 11 for Ubuntu have resolved critical vulnerabilities related to denial of service and memory handling, enhancing the overall security posture.
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:

It was discovered that the Hotspot component of OpenJDK 11 incorrectly

handled certain exceptions with specially crafted long messages. An

attacker could possibly use this issue to cause a denial of service.

(CVE-2024-21011)

It was discovered that OpenJDK 11 incorrectly performed reverse DNS

query under certain circumstances in the Networking/HTTP client

component. An attacker could possibly use this issue to obtain sensitive

information. (CVE-2024-21012)

Vladimir Kondratyev discovered that the Hotspot component of OpenJDK 11

incorrectly handled address offset calculations in the C1 compiler. An

attacker could possibly use this issue to cause a denial of service

or execute arbitrary code. (CVE-2024-21068)

Yakov Shafranovich discovered that OpenJDK 11 did not properly manage

memory in the Pack200 archive format. An attacker cou...

Read the Full Advisory

Topics%20covered

Topics Covered

security advisory denial of service security update Ubuntu memory management OpenJDK Java issues

Update Instructions

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

Ubuntu 23.10
   openjdk-11-jdk                  11.0.23+9-1ubuntu1~23.10.1
   openjdk-11-jdk-headless         11.0.23+9-1ubuntu1~23.10.1
   openjdk-11-jre                  11.0.23+9-1ubuntu1~23.10.1
   openjdk-11-jre-headless         11.0.23+9-1ubuntu1~23.10.1
   openjdk-11-jre-zero             11.0.23+9-1ubuntu1~23.10.1

Ubuntu 22.04 LTS
   openjdk-11-jdk                  11.0.23+9-1ubuntu1~22.04.1
   openjdk-11-jdk-headless         11.0.23+9-1ubuntu1~22.04.1
   openjdk-11-jre                  11.0.23+9-1ubuntu1~22.04.1
   openjdk-11-jre-headless         11.0.23+9-1ubuntu1~22.04.1
   openjdk-11-jre-zero             11.0.23+9-1ubuntu1~22.04.1

Ubuntu 20.04 LTS
   openjdk-11-jdk                  11.0.23+9-1ubuntu1~20.04.2
   openjdk-11-jdk-headless         11.0.23+9-1ubuntu1~20.04.2
   openjdk-11-jre                  11.0.23+9-1ubuntu1~20.04.2
   openjdk-11-jre-headless         11.0.23+9-1ubuntu1~20.04.2
   openjdk-11-jre-zero             11.0.23+9-1ubuntu1~20.04.2

Ubuntu 18.04 LTS
   openjdk-11-jdk                  11.0.23+9-1ubuntu1~18.04.1
                                   Available with Ubuntu Pro
   openjdk-11-jdk-headless         11.0.23+9-1ubuntu1~18.04.1
                                   Available with Ubuntu Pro
   openjdk-11-jre                  11.0.23+9-1ubuntu1~18.04.1
                                   Available with Ubuntu Pro
   openjdk-11-jre-headless         11.0.23+9-1ubuntu1~18.04.1
                                   Available with Ubuntu Pro
   openjdk-11-jre-zero             11.0.23+9-1ubuntu1~18.04.1
                                   Available with Ubuntu Pro

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-6811-1

CVE-2024-21011, CVE-2024-21012, CVE-2024-21068, CVE-2024-21085,

CVE-2024-21094

Severity
important
Lowest
Low
Medium
High
Critical

Ubuntu Security Notice USN-6811-1

Topics%20covered

Topics Covered

security advisory denial of service security update Ubuntu memory management OpenJDK Java issues

Package Information

https://launchpad.net/ubuntu/+source/openjdk-lts/11.0.23+9-1ubuntu1~23.10.1
https://launchpad.net/ubuntu/+source/openjdk-lts/11.0.23+9-1ubuntu1~22.04.1
https://launchpad.net/ubuntu/+source/openjdk-lts/11.0.23+9-1ubuntu1~20.04.2

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