CVE-2022-25510 in FreeTAKServer
Summary
by MITRE • 03/11/2022
FreeTAKServer 1.9.8 contains a hardcoded Flask secret key which allows attackers to create crafted cookies to bypass authentication or escalate privileges.
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Analysis
by VulDB Data Team • 03/14/2022
The vulnerability identified as CVE-2022-25510 affects FreeTAKServer version 1.9.8, a critical component in tactical communications systems used by military and emergency response organizations. This issue represents a severe authentication bypass flaw that undermines the security foundation of the application. The vulnerability stems from the inclusion of a hardcoded Flask secret key within the application code, a practice that violates fundamental security principles and creates a predictable cryptographic weakness. The presence of such a hardcoded key fundamentally compromises the integrity of the authentication system and exposes the entire platform to unauthorized access attempts.
The technical implementation of this flaw involves the use of a static secret key that remains unchanged across deployments and instances of the FreeTAKServer application. In Flask applications, the secret key serves as the foundation for generating secure cookies and session tokens that verify user identity. When this key is hardcoded and publicly accessible, attackers can easily extract it through reverse engineering, source code analysis, or by examining application binaries. This extraction process enables malicious actors to forge valid session cookies that appear authentic to the server, effectively allowing them to impersonate legitimate users without possessing valid credentials. The flaw directly corresponds to CWE-321, which addresses the use of hard-coded cryptographic keys, and represents a classic example of poor cryptographic key management practices that have been consistently flagged as high-risk in security frameworks.
The operational impact of this vulnerability extends far beyond simple unauthorized access, as it enables privilege escalation and comprehensive system compromise. Attackers who successfully exploit this weakness can create administrative-level cookies that grant them full control over the FreeTAKServer instance, including access to sensitive communication channels, user management capabilities, and potentially the ability to manipulate or disrupt tactical communications networks. This is particularly concerning given that FreeTAKServer is designed for mission-critical environments where communication integrity and access control are paramount. The vulnerability also maps to several ATT&CK techniques including T1566 for credential harvesting and T1078 for valid accounts usage, as attackers can leverage the forged sessions to maintain persistent access to the system. The impact is magnified in operational environments where the server may be exposed to untrusted networks or where physical security measures are inadequate.
Mitigation strategies for this vulnerability require immediate action to address the hardcoded secret key issue. The most effective remediation involves replacing the hardcoded key with a dynamically generated or securely stored secret that is unique to each deployment environment. Organizations should implement proper key management practices including the use of environment variables, configuration management systems, or dedicated key management services to ensure that cryptographic keys are not embedded within application code. Additionally, the application should be updated to version 1.9.9 or later where this vulnerability has been addressed through proper secret key implementation. Security teams should conduct comprehensive network scans to identify all instances of the vulnerable FreeTAKServer version and ensure that proper access controls are implemented to limit exposure. The vulnerability also highlights the need for regular security assessments including source code reviews and dependency analysis to prevent similar issues from arising in other components of the tactical communications infrastructure.