CVE-2021-43053 : Security Advisory and Response

TIBCO FTL Secret Exposure Vulnerability was published on January 11, 2022, with a base severity score of 8.5.

Understanding CVE-2021-43053

The TIBCO FTL - Community Edition, Developer Edition, and Enterprise Edition versions 6.7.2 and below are affected by a vulnerability allowing an attacker to obtain cluster secrets.

What is CVE-2021-43053?

The vulnerability in the realm server component of TIBCO FTL versions allows an unauthenticated attacker to access another application's cluster secret.

The Impact of CVE-2021-43053

CVSS base score of 8.5 (High Severity)
Allows unauthorized access to sensitive information
Low integrity impact, but high confidentiality impact

Technical Details of CVE-2021-43053

The vulnerability exposes the cluster secret of connected applications through the realm server.

Vulnerability Description

Difficult to exploit vulnerability
Unauthenticated attacker with network access can extract cluster secrets

Affected Systems and Versions

TIBCO FTL - Community Edition: versions 6.7.2 and below
TIBCO FTL - Developer Edition: versions 6.7.2 and below
TIBCO FTL - Enterprise Edition: versions 6.7.2 and below

Exploitation Mechanism

Requires network access to the realm server
Attacker can extract cluster secret of another connected application

Mitigation and Prevention

TIBCO has provided updated versions to address the vulnerability.

Immediate Steps to Take

Update TIBCO FTL - Community Edition to version 6.7.3 or later
Update TIBCO FTL - Developer Edition to version 6.7.3 or later
Update TIBCO FTL - Enterprise Edition to version 6.7.3 or later

Long-Term Security Practices

Regularly update software components
Implement access controls and authentication mechanisms
Monitor network traffic for suspicious activities

Patching and Updates

Apply the latest patches and updates provided by TIBCO