SB2022051715 - Information disclosure in Apache Tomcat

Description

This security bulletin contains information about 1 vulnerability.

1) Error Handling (CVE-ID: CVE-2022-25762)

CWE-ID: CWE-388 - Error Handling

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green

The vulnerability allows a remote attacker to gain access to sensitive information.

The vulnerability exists due to an error when handling WebSocket connections. If a web application sends a WebSocket message concurrently with the WebSocket connection closing, it is possible that the application will continue to use the socket after it has been closed. As a result, subsequent connections can use the same object concurrently and share data and/or other errors.

Remediation

Install update from vendor's website.

References

• https://lists.apache.org/thread/6ckmjfb1k61dyzkto9vm2k5jvt4o7w7c
• https://tomcat.apache.org/security-9.html#Fixed_in_Apache_Tomcat_9.0.21
• https://tomcat.apache.org/security-8.html#Fixed_in_Apache_Tomcat_8.5.76