1. Ubuntu Security Notices
  2. USN-6272-1

USN-6272-1: OpenJDK 20 vulnerabilities

Publication date

3 August 2023

Overview

Several security issues were fixed in OpenJDK 20.

Releases

Packages

Details

Motoyasu Saburi discovered that OpenJDK 20 incorrectly handled special
characters in file name parameters. An attacker could possibly use
this issue to insert, edit or obtain sensitive information.
(CVE-2023-22006)

Eirik Bjørsnøs discovered that OpenJDK 20 incorrectly handled certain ZIP
archives. An attacker could possibly use this issue to cause a denial
of service. (CVE-2023-22036)

David Stancu discovered that OpenJDK 20 had a flaw in the AES cipher
implementation. An attacker could possibly use this issue to obtain
sensitive information. (CVE-2023-22041)

Zhiqiang Zang discovered that OpenJDK 20 incorrectly handled array accesses
when using the binary ‘%’ operator. An attacker could possibly use this
issue to obtain sensitive information. (

Motoyasu Saburi discovered that OpenJDK 20 incorrectly handled special
characters in file name parameters. An attacker could possibly use
this issue to insert, edit or obtain sensitive information.
(CVE-2023-22006)

Eirik Bjørsnøs discovered that OpenJDK 20 incorrectly handled certain ZIP
archives. An attacker could possibly use this issue to cause a denial
of service. (CVE-2023-22036)

David Stancu discovered that OpenJDK 20 had a flaw in the AES cipher
implementation. An attacker could possibly use this issue to obtain
sensitive information. (CVE-2023-22041)

Zhiqiang Zang discovered that OpenJDK 20 incorrectly handled array accesses
when using the binary ‘%’ operator. An attacker could possibly use this
issue to obtain sensitive information. (CVE-2023-22044)

Zhiqiang Zang discovered that OpenJDK 20 incorrectly handled array accesses.
An attacker could possibly use this issue to obtain sensitive information.
(CVE-2023-22045)

It was discovered that OpenJDK 20 incorrectly sanitized URIs strings. An
attacker could possibly use this issue to insert, edit or obtain sensitive
information. (CVE-2023-22049)

It was discovered that OpenJDK 20 incorrectly handled certain glyphs. An
attacker could possibly use this issue to cause a denial of service.
(CVE-2023-25193)

Update instructions

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.

Learn more about how to get the fixes.

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

Ubuntu Release Package Version
23.04 lunar openjdk-20-jre –  20.0.2+9+ds1-0ubuntu1~23.04
openjdk-20-jre-zero –  20.0.2+9+ds1-0ubuntu1~23.04
openjdk-20-jre-headless –  20.0.2+9+ds1-0ubuntu1~23.04
openjdk-20-jdk –  20.0.2+9+ds1-0ubuntu1~23.04

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References

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