CVE-2022-42468 : Security Advisory and Response
Learn about CVE-2022-42468 impacting Apache Flume prior to 1.11.0 due to Improper Input Validation (JNDI Injection) in JMSSource, allowing remote code execution. Find mitigation steps and prevention measures here.
Apache Flume prior to 1.11.0 has a vulnerability that allows for remote code execution due to Improper Input Validation (JNDI Injection) in JMSSource.
Understanding CVE-2022-42468
This CVE involves Apache Flume versions 1.4.0 through 1.10.1 and their susceptibility to a remote code execution attack when a configuration includes a JMS Source with an unsafe providerURL. The issue has been addressed by restricting JNDI to permit only the java protocol or no protocol.
What is CVE-2022-42468?
CVE-2022-42468 pertains to Apache Flume versions 1.4.0 through 1.10.1 being vulnerable to remote code execution through a JMS Source configured with an unsafe providerURL. The CVE highlights the importance of proper input validation to prevent potential RCE attacks.
The Impact of CVE-2022-42468
The impact of CVE-2022-42468 is significant as it allows threat actors to execute arbitrary code remotely, potentially leading to unauthorized access, data breaches, and system compromise.
Technical Details of CVE-2022-42468
The technical details of this CVE include:
Vulnerability Description
The vulnerability arises from improper input validation in Apache Flume's JMSSource, enabling JNDI Injection and facilitating remote code execution.
Affected Systems and Versions
The vulnerability affects Apache Flume versions 1.4.0 through 1.10.1, specifically impacting configurations using Flume JMSSource.
Exploitation Mechanism
Exploitation occurs when a malicious actor crafts a specially designed request to the vulnerable JMS Source, leveraging the unsafe providerURL to execute arbitrary code remotely.
Mitigation and Prevention
To safeguard against CVE-2022-42468, consider the following strategies:
Immediate Steps to Take
Update Apache Flume to version 1.11.0 or newer to mitigate the vulnerability. Review configurations to ensure safe providerURL usage in JMS Sources.
Long-Term Security Practices
Adopt a proactive approach to security by regularly updating software, conducting security assessments, and promoting secure coding practices within development teams.
Patching and Updates
Stay informed about security patches and updates released by Apache Software Foundation for Apache Flume. Promptly apply patches to eliminate vulnerabilities and enhance system security.