CVE-2020-25640 : What You Need to Know

A flaw was discovered in WildFly before 21.0.0.Final where the resource adapter logs plain text JMS password at the warning level on connection error, potentially exposing sensitive information in the log file.

Understanding CVE-2020-25640

What is CVE-2020-25640?

This CVE refers to a vulnerability in WildFly that could lead to the exposure of sensitive information due to the logging of plain text JMS passwords.

The Impact of CVE-2020-25640

The vulnerability could allow attackers to access sensitive information, compromising the security and confidentiality of the system.

Technical Details of CVE-2020-25640

Vulnerability Description

The flaw in WildFly allows the resource adapter to log plain text JMS passwords at the warning level during connection errors, potentially exposing sensitive data.

Affected Systems and Versions

Product: Wildfly
Version: Wildfly 21.0.0.Final

Exploitation Mechanism

Attackers could exploit this vulnerability by intercepting the log files containing the plain text JMS passwords, gaining unauthorized access to sensitive information.

Mitigation and Prevention

Immediate Steps to Take

Disable logging of sensitive information like passwords in production environments.
Monitor log files for any unauthorized access or exposure of sensitive data.

Long-Term Security Practices

Implement encryption mechanisms for sensitive data to prevent exposure in logs.
Regularly review and update logging configurations to ensure sensitive information is not logged.

Patching and Updates

Apply the necessary patches and updates provided by the vendor to address this vulnerability and prevent potential exploitation.