CVE-2022-36803 : Security Advisory and Response

The MasterUserEdit API in Atlassian Jira Align Server before version 10.109.2 allows an authenticated attacker to modify any user's role to Super Admin. This CVE was reported by Jacob Shafer from Bishop Fox.

Understanding CVE-2022-36803

This section will provide an overview of the CVE-2022-36803 vulnerability.

What is CVE-2022-36803?

The CVE-2022-36803, found in Atlassian Jira Align Server, permits an authenticated attacker with specific permissions to exploit the MasterUserEdit API, changing any user's role to Super Admin.

The Impact of CVE-2022-36803

The vulnerability poses a significant risk as it allows unauthorized users to elevate their privileges and potentially gain full control over the system.

Technical Details of CVE-2022-36803

Here we delve into the technical aspects of the CVE-2022-36803 vulnerability.

Vulnerability Description

The vulnerability arises from improper authorization handling in the MasterUserEdit API, enabling attackers to manipulate user roles.

Affected Systems and Versions

Atlassian Jira Align Server versions prior to 10.109.2 are impacted by this vulnerability. Specifically, users with permissions to the People role are at risk.

Exploitation Mechanism

Attackers with the necessary permissions can exploit the MasterUserEdit API to elevate any user's role to Super Admin, potentially compromising the entire system.

Mitigation and Prevention

Learn how to protect your system from CVE-2022-36803 below.

Immediate Steps to Take

Immediately restrict access to the MasterUserEdit API and review user roles and permissions to ensure no unauthorized changes have been made.

Long-Term Security Practices

Implement a least privilege policy, regularly review and update user permissions, and conduct security training to prevent similar attacks in the future.

Patching and Updates

It is critical to update Atlassian Jira Align Server to version 10.109.2 or later to mitigate the CVE-2022-36803 vulnerability and enhance system security.