CVE-2024-21685: Uncovering a High-severity Information Disclosure Vulnerability in Jira Core Data Center

A high severity Information Disclosure vulnerability (CVE-2024-21685) has been discovered in Jira Core Data Center across multiple versions including 9.4., 9.12., and 9.15.. This vulnerability allows unauthenticated attackers to view sensitive information and has a high impact on confidentiality. It is important to address this vulnerability promptly to avoid potential risks.

In this article, we will delve into the details of CVE-2024-21685, understand how it works, and discuss the recommended solutions.

Exploit Details

The Information Disclosure vulnerability in Jira Core Data Center is a result of improper handling of sensitive user information by the affected platform. CVE-2024-21685 has a CVSS Score of 7.4, which indicates its high severity and potential impact on affected systems.

This vulnerability allows an unauthenticated attacker to view sensitive information through user interaction, resulting in a high impact on confidentiality. However, there is no impact on integrity or availability.

Code Snippet

To provide more context on how this vulnerability works, here's a sample code snippet that demonstrates the issue:

# Hypothetical code snippet showcasing the improper handling of sensitive user information
def process_user_request(request):
    user_data = get_user_data(request)
    display_data = prepare_display_data(user_data)
    return render(display_data)

def get_user_data(request):
    # Vulnerable code where sensitive information is exposed
    ...
    return sensitive_data

def prepare_display_data(user_data):
    ...
    return display_data

In the example above, the vulnerable get_user_data function leads to the exposure of sensitive user data, resulting in the Information Disclosure vulnerability.

Original References

Atlassian has acknowledged this vulnerability and recommends Jira Core Data Center users to upgrade their instances to the latest version. If upgrading to the latest version is not possible, you should upgrade to one of the supported fixed versions. Find below the links to the original references:

- Atlassian Security Advisory
- CVE-2024-21685 CVE Details

Jira Core Data Center 9.16: Update to a release >= 9.16.

For more information, you can refer to the release notes and download the latest version of Jira Core Data Center from the download center.

Conclusion

The discovery of this high-severity Information Disclosure vulnerability (CVE-2024-21685) in Jira Core Data Center highlights the importance of keeping software systems up-to-date and implementing necessary security measures. By following the recommended solutions and upgrading your Jira Core Data Center instance, you can protect your sensitive information and ensure the confidentiality of your data.

Timeline

Published on: 06/18/2024 17:15:51 UTC
Last modified on: 06/20/2024 12:44:01 UTC