CVE-2023-21938: Low severity Oracle GraalVM vulnerability
It was discovered that the implementation of ProcesBuilder in the Libraries component of OpenJDK did not correctly process NULL characters in command name attributes. This could lead to manipulation of command arguments when executing processes with arguments from untrusted sources.
Other sources
Vulnerability in the Oracle Java SE, Oracle GraalVM Enterprise Edition product of Oracle Java SE (component: Libraries). Supported versions that are affected are Oracle Java SE: 8u361, 8u361-perf, 11.0.18, 17.0.6, 20; Oracle GraalVM Enterprise Edition: 20.3.8, 21.3.4 and 22.3.0. Difficult to exploit vulnerability allows unauthenticated attacker with network access via multiple protocols to compromise Oracle Java SE, Oracle GraalVM Enterprise Edition. Successful attacks of this vulnerability can result in unauthorized update, insert or delete access to some of Oracle Java SE, Oracle GraalVM Enterprise Edition accessible data. Note: This vulnerability applies to Java deployments, typically in clients running sandboxed Java Web Start applications or sandboxed Java applets, that load and run untrusted code (e.g., code that comes from the internet) and rely on the Java sandbox for security. This vulnerability does not apply to Java deployments, typically in servers, that load and run only trusted code (e.g., code installed by an administrator). CVSS 3.1 Base Score 3.7 (Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N).
Affected Software
Event History
Frequently Asked Questions
What is the vulnerability ID?
The vulnerability ID is CVE-2023-21938.
What is the affected software?
The affected software includes Oracle Java SE 8u361, 8u361-perf, 11.0.18, 17.0.6, 20, Oracle GraalVM Enterprise Edition 20.3.8, 21.3.4, and 22.3.0.
What is the severity of CVE-2023-21938?
The severity of CVE-2023-21938 is low with a severity value of 3.7.
How can I fix the vulnerability in Oracle Java SE and Oracle GraalVM Enterprise Edition?
To fix the vulnerability, update Oracle Java SE to versions 11.0.20+8-1~deb10u1, 11.0.20+8-1~deb11u1, or 11.0.21~4ea-1, and update Oracle GraalVM Enterprise Edition to versions 17.0.7+7-1~deb11u1, 17.0.7+7-1~deb12u1, 17.0.8+7-1~deb12u1, or 17.0.9~6ea-1.
Where can I find more information about CVE-2023-21938?
You can find more information about CVE-2023-21938 at the following references: [GitHub: Oracle JDK 8u361](https://github.com/openjdk/jdk8u/commit/a7fbe33ffece7c28c9808fcc631c2d4db4a59757), [GitHub: Oracle JDK 11.0.18](https://github.com/openjdk/jdk11u/commit/2d806d0e2f034b24987407a36bb8e246b1734927), [GitHub: Oracle JDK 17.0.6](https://github.com/openjdk/jdk17u/commit/28958abd0ea9c6296d140d04d0615b99da9370a5).