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Ubuntu 23.10 USN-6813-1 critical: OpenJDK 21 DoS and info leak

ubuntu
Calendar Grey June 6, 2024
Dist Ubuntu Esm H88
Recent security vulnerabilities in OpenJDK 21 have been resolved in the newest Ubuntu Security Announcement, enhancing the overall system protection.
Several security issues were fixed in OpenJDK 21.

Summary

A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 23.10 - Ubuntu 22.04 LTS - Ubuntu 20.04 LTS Summary: Several security issues were fixed in OpenJDK 21. Software Description: - openjdk-21: Open Source Java implementation Details: It was discovered that the Hotspot component of OpenJDK 21 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 21 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 21 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. (...

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Topics%20covered

Topics Covered

security advisory denial of service information leak critical software update DoS Ubuntu critical severity ubuntu openjdk OpenJDK 21

Update Instructions

The problem can be corrected by updating your system to the following package versions: Ubuntu 23.10 openjdk-21-jdk 21.0.3+9-1ubuntu1~23.10.1 openjdk-21-jdk-headless 21.0.3+9-1ubuntu1~23.10.1 openjdk-21-jre 21.0.3+9-1ubuntu1~23.10.1 openjdk-21-jre-headless 21.0.3+9-1ubuntu1~23.10.1 openjdk-21-jre-zero 21.0.3+9-1ubuntu1~23.10.1 Ubuntu 22.04 LTS openjdk-21-jdk 21.0.3+9-1ubuntu1~22.04.1 openjdk-21-jdk-headless 21.0.3+9-1ubuntu1~22.04.1 openjdk-21-jre 21.0.3+9-1ubuntu1~22.04.1 openjdk-21-jre-headless 21.0.3+9-1ubuntu1~22.04.1 openjdk-21-jre-zero 21.0.3+9-1ubuntu1~22.04.1 Ubuntu 20.04 LTS openjdk-21-jdk 21.0.3+9-1ubuntu1~20.04.1 openjdk-21-jdk-headless 21.0.3+9-1ubuntu1~20.04.1 openjdk-21-jre 21.0.3+9-1ubuntu1~20.04.1 openjdk-21-jre-headless 21.0.3+9-1ubuntu1~20.04.1 openjdk-21-jre-zero 21.0.3+9-1ubuntu1~20.04.1 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-6813-1

CVE-2024-21011, CVE-2024-21012, CVE-2024-21068, CVE-2024-21094

Severity
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Ubuntu Security Notice USN-6813-1

Topics%20covered

Topics Covered

security advisory denial of service information leak critical software update DoS Ubuntu critical severity ubuntu openjdk OpenJDK 21

Package Information

https://launchpad.net/ubuntu/+source/openjdk-21/21.0.3+9-1ubuntu1~23.10.1 https://launchpad.net/ubuntu/+source/openjdk-21/21.0.3+9-1ubuntu1~22.04.1 https://launchpad.net/ubuntu/+source/openjdk-21/21.0.3+9-1ubuntu1~20.04.1

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