CVE-2023-39174 : Exploit Details and Defense Strategies
Learn about CVE-2023-39174 impacting JetBrains TeamCity. A ReDoS attack was possible due to inadequate input validation with an impact on availability. Find mitigation steps here.
This CVE-2023-39174 article provides insights into a vulnerability identified in JetBrains TeamCity that could lead to a ReDoS attack through integration with issue trackers.
Understanding CVE-2023-39174
In this section, we will delve into the details of CVE-2023-39174 to understand its impact, technical aspects, and measures for mitigation.
What is CVE-2023-39174?
The CVE-2023-39174 vulnerability exists in JetBrains TeamCity versions prior to 2023.05.2, enabling attackers to launch ReDoS attacks by exploiting the integration with issue trackers.
The Impact of CVE-2023-39174
The impact of this vulnerability is classified as medium severity with a CVSS base score of 4.3. While the confidentiality and integrity remain unaffected, there is a potential impact on the availability of the system.
Technical Details of CVE-2023-39174
Let's explore the specifics of this vulnerability, including its description, affected systems, and the exploitation mechanism.
Vulnerability Description
In JetBrains TeamCity before version 2023.05.2, a ReDoS attack was possible due to inadequate input validation in the integration with issue trackers.
Affected Systems and Versions
The vulnerability affects JetBrains TeamCity versions earlier than 2023.05.2, where the ReDoS attack vector can be exploited.
Exploitation Mechanism
By leveraging the integration with issue trackers, malicious actors can exploit this vulnerability to launch ReDoS attacks, potentially impacting the availability of the system.
Mitigation and Prevention
Discover the necessary steps to mitigate the risks posed by CVE-2023-39174 and secure your systems effectively.
Immediate Steps to Take
To address this vulnerability, it is recommended to update JetBrains TeamCity to version 2023.05.2 or later, implementing proper input validation mechanisms.
Long-Term Security Practices
Adopt a proactive approach to security by conducting regular vulnerability assessments, ensuring secure coding practices, and enhancing monitoring and incident response capabilities.
Patching and Updates
Stay informed about security patches and updates released by JetBrains, and promptly apply them to secure your systems against potential threats.