CVE-2020-1954 : Exploit Details and Defense Strategies
Learn about CVE-2020-1954 affecting Apache CXF versions prior to 3.3.6 and 3.2.13, allowing man-in-the-middle attacks on JMX communications. Find mitigation steps here.
Apache CXF vulnerability allowing man-in-the-middle (MITM) attacks.
Understanding CVE-2020-1954
What is CVE-2020-1954?
Apache CXF, prior to versions 3.3.6 and 3.2.13, is vulnerable to a MITM attack when the 'createMBServerConnectorFactory' property is enabled in the InstrumentationManager extension, allowing access to JMX information.
The Impact of CVE-2020-1954
- This vulnerability could lead to information disclosure due to unauthorized access to JMX data.
Technical Details of CVE-2020-1954
Vulnerability Description
Apache CXF, when not properly configured, allows attackers to intercept JMX communications and access sensitive information.
Affected Systems and Versions
- Apache CXF versions prior to 3.3.6 and 3.2.13
Exploitation Mechanism
- Attackers on the same host can connect to the registry, rebind entries, and gain access to JMX data.
Mitigation and Prevention
Immediate Steps to Take
- Disable the 'createMBServerConnectorFactory' property in the default InstrumentationManagerImpl.
- Employ network segmentation to restrict access to JMX services.
Long-Term Security Practices
- Regularly monitor and audit JMX communications for unusual activities.
- Implement strong authentication mechanisms and encryption protocols for JMX.
Patching and Updates
- Apply patches provided by Apache to update Apache CXF and eliminate the vulnerability.