CVE-2023-39173 : Security Advisory and Response

A detailed overview of CVE-2023-39173, a vulnerability found in JetBrains TeamCity.

Understanding CVE-2023-39173

Explore the impact, technical details, and mitigation strategies related to CVE-2023-39173.

What is CVE-2023-39173?

CVE-2023-39173 is a security vulnerability identified in JetBrains TeamCity before version 2023.05.2. It allows an attacker to utilize a token with limited permissions to gain unauthorized access to a TeamCity user account.

The Impact of CVE-2023-39173

This vulnerability poses a medium level threat with a CVSS base score of 5.4, allowing attackers to potentially compromise the confidentiality and integrity of TeamCity user accounts.

Technical Details of CVE-2023-39173

Gain insights into the specifics of the vulnerability including affected systems, exploitation mechanisms, and more.

Vulnerability Description

In JetBrains TeamCity before version 2023.05.2, a token with restricted permissions could be exploited by threat actors to escalate their privileges and obtain complete access to a user account.

Affected Systems and Versions

The vulnerability impacts JetBrains TeamCity versions prior to 2023.05.2, leaving these systems susceptible to unauthorized access and potential compromise.

Exploitation Mechanism

By utilizing a token with limited permissions, malicious actors can bypass security protocols and gain full control over a TeamCity user account.

Mitigation and Prevention

Explore immediate steps and long-term security practices to safeguard systems against CVE-2023-39173.

Immediate Steps to Take

Upgrade JetBrains TeamCity to version 2023.05.2 or newer to address the vulnerability and enhance security measures.
Monitor user account activities for any suspicious behavior or unauthorized access attempts.

Long-Term Security Practices

Regularly review and update permission settings to ensure that tokens have restricted access based on the principle of least privilege.
Conduct security training for TeamCity users to enhance awareness of account security best practices.

Patching and Updates

Stay informed about software updates and security patches released by JetBrains to address vulnerabilities and enhance the overall security posture of TeamCity.