A new security vulnerability, CVE-2024-47162, has been discovered in JetBrains YouTrack versions before 2024.3.44799 which could allow an attacker to gain access to sensitive data through token exposure. JetBrains YouTrack is a popular project management and bug tracking tool used by developers worldwide - this vulnerability puts many projects at risk.

In this long-read article, we will discuss the details of the vulnerability, provide code snippets for reproducing the issue, and describe possible ways to exploit it. Additionally, we will provide links to original sources and references for further understanding and mitigation measures.

Vulnerability Description

In JetBrains YouTrack versions prior to 2024.3.44799, a security vulnerability was discovered that could reveal sensitive tokens on the Imports page. Specifically, improperly secured authentication tokens were being exposed in the user interface, potentially granting unauthorized users access to sensitive data.

Link to the original CVE: National Vulnerability Database (NVD) - CVE-2024-47162

Code Snippet

The following is an example of how to replicate the issue in a vulnerable version of JetBrains YouTrack:

Log in to your JetBrains YouTrack instance.

2. Navigate to the Imports page (usually located at https://your-youtrack-instance/youtrack/admin/import).

Open the web browser's Developer Tools (F12 in Chrome and Firefox).

4. Inspect the HTML source code of the Imports page. The token is visible in one of the input fields, like this:

<input type="hidden" id="authToken" value="eyJhbGciOiJSUzI1NiIsInR5cCI6IkpXVCJ9.eyJ1c2VyaWQiOiJhZG1pbkBzb21lZG9tYWluLmNvbSIsInNjb3BlIjoicmVhZCB3cmlZSIsImV4cCI6MTYwNTMzOTE2OX.WegmOiR..."/>

5. The exposed token in the value attribute can then be potentially used by an attacker to gain unauthorized access.

Exploit Details

A malicious user could exploit this vulnerability by gaining access to an authorized user's account and visiting the Imports page. Since the token is a form of authentication, if exploited, it could potentially provide unauthorized access to sensitive data, allowing attackers to further compromise the system or data.

In addition to directly obtaining unauthorized access, an attacker could potentially use the exposed token to impersonate a legitimate user, which could lead to social engineering attacks or account takeover scenarios.

Mitigation

JetBrains has released a patch that addresses this vulnerability in YouTrack versions 2024.3.44799 and later. Upgrading YouTrack to the latest version is the recommended solution to mitigate this security vulnerability. Additionally, administrators should review user access rights and restrict access to sensitive areas of the application like the Imports page.

For more information on the patch and how to apply it, refer to JetBrains YouTrack's release notes.

Conclusion

CVE-2024-47162 represents a significant security risk for JetBrains YouTrack users, and immediate action should be taken to patch the vulnerability and safeguard sensitive data. By keeping software up-to-date and implementing proper access controls, project managers and developers can protect their projects and maintain a secure development environment.

Remember to stay informed and to keep an eye on new vulnerabilities in your development ecosystem. Awareness and proactive measures ensure a safer and more efficient development process.

Timeline

Published on: 09/19/2024 18:15:10 UTC
Last modified on: 09/24/2024 17:57:43 UTC