CVE-2022-25762 : Vulnerability Insights and Analysis

Apache Tomcat versions 8.5.0 to 8.5.75 and 9.0.0.M1 to 9.0.20 are affected by a vulnerability that could lead to a response mix-up with WebSocket concurrent send and close. Learn more about the impact, technical details, and mitigation steps.

Understanding CVE-2022-25762

This CVE impacts Apache Tomcat servers, potentially causing a mix-up in WebSocket responses when a message is sent concurrently with the connection closing.

What is CVE-2022-25762?

The CVE describes a scenario where a web application utilizing WebSocket messages on affected Apache Tomcat versions may continue to use a closed socket, leading to potential errors and data mix-ups.

The Impact of CVE-2022-25762

The vulnerability can result in error handling triggering the placement of a pooled object in the pool twice, causing subsequent connections to utilize the same object concurrently and potentially returning data to the wrong user.

Technical Details of CVE-2022-25762

Explore the specifics of the vulnerability to understand affected systems, exploitation mechanisms, and more.

Vulnerability Description

If a web application sends a WebSocket message alongside closing the WebSocket connection on Apache Tomcat versions 8.5.0 to 8.5.75 or 9.0.0.M1 to 9.0.20, it may misuse the socket post closure, leading to errors and data mix-ups.

Affected Systems and Versions

Apache Tomcat versions 8.5.0 to 8.5.75 and 9.0.0.M1 to 9.0.20 are impacted by this vulnerability.

Exploitation Mechanism

By sending WebSocket messages concurrently with connection closing, an attacker could exploit this vulnerability to trigger incorrect error handling and cause data mix-ups.

Mitigation and Prevention

Discover the steps to mitigate the impact of CVE-2022-25762 and prevent future occurrences.

Immediate Steps to Take

Update Apache Tomcat to a non-vulnerable version.
Monitor WebSocket communications for abnormalities.

Long-Term Security Practices

Regularly apply security patches and updates to all software components.
Implement network monitoring to detect unusual WebSocket activities.

Patching and Updates

Stay informed about security patches released by Apache Software Foundation and apply them promptly to secure your server.