CVE-2019-12845 : What You Need to Know

In JetBrains TeamCity 2018.2.3, the problem of using an unencrypted connection for resolving artifacts was resolved by introducing Kotlin DSL settings.

Understanding CVE-2019-12845

In this CVE, JetBrains TeamCity 2018.2.3 had an issue where unencrypted connections were allowed for resolving artifacts, which was fixed by implementing Kotlin DSL settings.

What is CVE-2019-12845?

The generated Kotlin DSL settings in JetBrains TeamCity 2018.2.3 allowed the use of unencrypted connections for resolving artifacts, posing a security risk.

The Impact of CVE-2019-12845

This vulnerability could potentially expose sensitive data during the artifact resolution process, leading to unauthorized access or data interception.

Technical Details of CVE-2019-12845

JetBrains TeamCity 2018.2.3 had a specific vulnerability related to unencrypted connections for artifact resolution.

Vulnerability Description

The issue allowed the use of unencrypted connections, compromising the security of artifact resolution within the affected version.

Affected Systems and Versions

Product: JetBrains TeamCity
Version: 2018.2.3

Exploitation Mechanism

Attackers could exploit this vulnerability by intercepting unencrypted connections during artifact resolution, potentially gaining access to sensitive data.

Mitigation and Prevention

To address CVE-2019-12845, follow these steps:

Immediate Steps to Take

Upgrade JetBrains TeamCity to a secure version that addresses the vulnerability.
Implement encrypted connections for artifact resolution to enhance security.

Long-Term Security Practices

Regularly monitor and update security settings in JetBrains TeamCity to prevent similar vulnerabilities.
Educate users on secure practices for artifact resolution to minimize risks.

Patching and Updates

Apply patches and updates provided by JetBrains to ensure the security of artifact resolution processes.