CVE-2019-6656 Explained : Impact and Mitigation
Learn about CVE-2019-6656, an information disclosure vulnerability in BIG-IP APM Edge Client. Find out the impacted versions, exploitation risks, and mitigation steps.
BIG-IP APM Edge Client before version 7.1.8 (7180.2019.508.705) logs the full apm session ID in the log files. Vulnerable versions of the client are bundled with BIG-IP APM versions 15.0.0-15.0.1, 14,1.0-14.1.0.6, 14.0.0-14.0.0.4, 13.0.0-13.1.1.5, 12.1.0-12.1.5, and 11.5.1-11.6.5. In BIG-IP APM 13.1.0 and later, the APM Clients components can be updated independently from BIG-IP software. Client version 7.1.8 (7180.2019.508.705) and later has the fix.
Understanding CVE-2019-6656
This CVE involves an information disclosure vulnerability in the BIG-IP APM Edge Client.
What is CVE-2019-6656?
The vulnerability allows the logging of the complete APM session ID in the log files of the BIG-IP APM Edge Client.
The Impact of CVE-2019-6656
The vulnerability could lead to unauthorized access to sensitive session IDs, potentially compromising user privacy and security.
Technical Details of CVE-2019-6656
This section provides more technical insights into the CVE.
Vulnerability Description
The vulnerability in BIG-IP APM Edge Client allows the complete APM session ID to be logged in the log files, potentially exposing sensitive information.
Affected Systems and Versions
- BIG-IP APM Edge Client versions susceptible to this issue are integrated with BIG-IP APM versions 15.0.0-15.0.1, 14,1.0-14.1.0.6, 14.0.0-14.0.0.4, 13.0.0-13.1.1.5, 12.1.0-12.1.5, and 11.5.1-11.6.5.
Exploitation Mechanism
The vulnerability can be exploited by an attacker to gain access to sensitive session IDs stored in the log files.
Mitigation and Prevention
Protecting systems from CVE-2019-6656 is crucial to maintaining security.
Immediate Steps to Take
- Upgrade BIG-IP APM Edge Client to version 7.1.8 (7180.2019.508.705) or later to mitigate the vulnerability.
- Regularly monitor log files for any unauthorized access.
Long-Term Security Practices
- Implement access controls to restrict log file access to authorized personnel only.
- Conduct regular security audits to identify and address potential vulnerabilities.
Patching and Updates
- Ensure timely installation of security patches and updates to prevent exploitation of known vulnerabilities.