CVE-2024-43916 in Zephyr Project Manager Plugin
Summary
by MITRE • 08/27/2024
Authorization Bypass Through User-Controlled Key vulnerability in Dylan James Zephyr Project Manager.This issue affects Zephyr Project Manager: from n/a through 3.3.102.
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Analysis
by VulDB Data Team • 09/13/2024
The CVE-2024-43916 vulnerability represents a critical authorization bypass flaw within the Dylan James Zephyr Project Manager software, specifically impacting versions ranging from the initial release through 3.3.102. This vulnerability falls under the broader category of authorization bypass issues that fundamentally compromise the security model of the affected system. The flaw allows unauthorized users to potentially access restricted functionalities or data by manipulating user-controlled keys, effectively undermining the application's intended access control mechanisms.
This authorization bypass occurs due to insufficient validation of user-controlled input parameters that should normally be restricted to authorized personnel only. The vulnerability stems from improper handling of key-based authentication mechanisms where the system fails to adequately verify the legitimacy of keys provided by users. Attackers can exploit this weakness by crafting malicious inputs that manipulate the key validation process, thereby gaining access to features or data that should remain restricted to authorized users. The flaw essentially creates a backdoor through which unauthorized access can be achieved without proper authentication credentials.
The operational impact of this vulnerability extends beyond simple unauthorized access, as it can potentially enable attackers to escalate privileges, access sensitive project data, manipulate project configurations, or disrupt normal workflow processes. Organizations relying on Zephyr Project Manager for project management and tracking could face significant risks including data breaches, unauthorized modifications to project timelines, budget allocations, or resource assignments. The vulnerability particularly affects environments where multiple users with varying permission levels interact with the system, as it allows lower-privileged users to potentially assume higher roles or access confidential information.
From a cybersecurity perspective, this vulnerability aligns with CWE-285, which addresses improper authorization issues in software systems. The flaw demonstrates poor input validation and insufficient access control implementation that violates fundamental security principles. According to ATT&CK framework, this vulnerability maps to T1078 Valid Accounts and T1566 Phishing, as attackers could potentially exploit this weakness to gain persistent access or use social engineering techniques to manipulate user-controlled keys. Organizations should prioritize immediate remediation as this type of vulnerability can be exploited by both external attackers and insider threats.
Mitigation strategies should include immediate patch deployment to versions 3.3.103 or later, which contain the necessary fixes for the authorization bypass issue. Additionally, organizations should implement network segmentation to limit access to the Zephyr Project Manager system, enforce strict input validation on all user-controlled parameters, and conduct thorough access control reviews. Regular security audits should verify that key-based authentication mechanisms properly validate all inputs and that no user-controlled parameters can bypass authorization checks. System administrators should also monitor access logs for unusual patterns that might indicate exploitation attempts and consider implementing additional authentication layers such as multi-factor authentication to reduce the risk of unauthorized access.