CVE-2019-12844 : Exploit Details and Defense Strategies

JetBrains TeamCity was affected by a potential JavaScript injection vulnerability that has been resolved in version 2018.2.3.

Understanding CVE-2019-12844

One of the pages in JetBrains TeamCity was found to have a potential case of JavaScript injection that had been stored. The issue has been resolved in TeamCity 2018.2.3.

What is CVE-2019-12844?

A possible stored JavaScript injection was detected on one of the JetBrains TeamCity pages. The issue was fixed in TeamCity 2018.2.3.

The Impact of CVE-2019-12844

This vulnerability could allow an attacker to execute malicious JavaScript code within the context of the affected page.
It may lead to unauthorized access, data theft, or further exploitation of the system.

Technical Details of CVE-2019-12844

Vulnerability Description

Type: JavaScript injection vulnerability
Severity: Medium

Affected Systems and Versions

Affected System: JetBrains TeamCity
Affected Version: TeamCity 2018.2.3

Exploitation Mechanism

Attackers could exploit this vulnerability by injecting malicious JavaScript code into the affected page, potentially leading to unauthorized actions.

Mitigation and Prevention

Immediate Steps to Take

Update JetBrains TeamCity to version 2018.2.3 or later to mitigate the vulnerability.
Regularly monitor and review web application logs for any suspicious activities.

Long-Term Security Practices

Implement secure coding practices to prevent injection vulnerabilities in web applications.
Conduct regular security assessments and penetration testing to identify and address potential vulnerabilities.

Patching and Updates

Stay informed about security bulletins and updates from JetBrains to apply patches promptly.