CVE-2022-24816 Explained : Impact and Mitigation
Learn about CVE-2022-24816, a critical vulnerability in JAI-EXT project allowing remote code execution via code injection. Find out the impact, affected versions, and mitigation steps.
JAI-EXT is an open-source project aiming to extend the Java Advanced Imaging (JAI) API, which allows the injection of malicious code via Janino leading to Remote Code Execution in certain versions.
Understanding CVE-2022-24816
This CVE involves an improper control of the code generation in the JAI-EXT project, impacting the downstream GeoServer project.
What is CVE-2022-24816?
A vulnerability in JAI-EXT allows attackers to execute remote code by injecting malicious code via Jiffle script, which is compiled into Java code using Janino.
The Impact of CVE-2022-24816
With a CVSS base score of 10, this critical vulnerability has high impact levels on confidentiality, integrity, and availability, with no privileges required and a scope of changed.
Technical Details of CVE-2022-24816
This section covers specific technical details of the vulnerability.
Vulnerability Description
JAI-EXT vulnerability allows remote attackers to execute malicious code via Jiffle script injection, affecting versions prior to 1.1.22.
Affected Systems and Versions
The vulnerability affects JAI-EXT versions earlier than 1.1.22, particularly impacting the downstream GeoServer project.
Exploitation Mechanism
Attackers can exploit this vulnerability by providing Jiffle script via network requests, leading to remote code execution as the script is compiled into Java code using Janino.
Mitigation and Prevention
Protecting systems from this vulnerability requires immediate action and long-term security practices.
Immediate Steps to Take
Users are advised to upgrade to version 1.2.22 or remove 'janino-x.y.z.jar' from the classpath to prevent code injection through Jiffle script compilation.
Long-Term Security Practices
Implementing secure coding practices and regularly updating software and libraries can help prevent similar code injection vulnerabilities.
Patching and Updates
Version 1.2.22 of JAI-EXT contains a patch that disables the ability to inject malicious code into the resulting script, providing a secure solution for this vulnerability.