CVE-2021-43196 Explained : Impact and Mitigation

In JetBrains TeamCity before 2021.1, information disclosure via the Docker Registry connection dialog is possible.

Understanding CVE-2021-43196

In JetBrains TeamCity before 2021.1, there is a vulnerability that allows for information disclosure through the Docker Registry connection dialog.

What is CVE-2021-43196?

CVE-2021-43196 is a security vulnerability found in JetBrains TeamCity before version 2021.1, enabling unauthorized access to information via the Docker Registry connection dialog.

The Impact of CVE-2021-43196

This vulnerability could lead to unauthorized parties obtaining sensitive information, potentially compromising the security and confidentiality of data within the affected systems.

Technical Details of CVE-2021-43196

In-depth technical information about the CVE-2021-43196 vulnerability.

Vulnerability Description

The vulnerability in JetBrains TeamCity before 2021.1 allows for information disclosure through the Docker Registry connection dialog, potentially exposing sensitive data.

Affected Systems and Versions

Affected Systems: JetBrains TeamCity before version 2021.1
Affected Versions: Not applicable

Exploitation Mechanism

The vulnerability can be exploited by unauthorized individuals gaining access to the Docker Registry connection dialog and extracting sensitive information.

Mitigation and Prevention

Steps to mitigate and prevent the exploitation of CVE-2021-43196.

Immediate Steps to Take

Upgrade JetBrains TeamCity to version 2021.1 or newer to patch the vulnerability.
Restrict access to the Docker Registry connection dialog to authorized personnel only.

Long-Term Security Practices

Regularly update and patch software to prevent vulnerabilities.
Conduct security assessments and audits to identify and rectify potential weaknesses.

Patching and Updates

Ensure continuous monitoring for security updates and promptly apply patches to mitigate future vulnerabilities.