CVE-2021-29396 in Club Management
Summary
by MITRE • 02/04/2022
Systemic Insecure Permissions in Northstar Technologies Inc NorthStar Club Management 6.3 allows remote unauthenticated users to use various functionalities without authentication.
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Analysis
by VulDB Data Team • 02/07/2022
The vulnerability identified as CVE-2021-29396 represents a critical authentication bypass flaw within the Northstar Club Management 6.3 software developed by Northstar Technologies Inc. This systemic insecure permissions issue creates a fundamental weakness in the application's security architecture that allows unauthorized remote access to protected functionalities. The vulnerability stems from improper implementation of access control mechanisms that fail to adequately verify user credentials or authorization status before granting access to sensitive features. Attackers can exploit this weakness to gain unauthorized access to administrative and user management functions without providing valid authentication credentials, effectively undermining the entire security model of the application.
The technical flaw manifests as a lack of proper authentication checks at multiple entry points within the Northstar Club Management system. This insecure permissions implementation creates a pathway for remote attackers to execute unauthorized operations including but not limited to user account management, data modification, system configuration changes, and potentially sensitive data access. The vulnerability exists across the application's functionality spectrum rather than being isolated to a single component, indicating a design-level flaw in the security architecture. According to CWE classification, this vulnerability maps to CWE-285: Improper Authorization, which specifically addresses situations where the system fails to properly enforce access controls for authenticated and unauthorized users. The flaw represents a classic case of insufficient access control validation that allows privilege escalation through unauthorized access to administrative functions.
The operational impact of CVE-2021-29396 extends beyond simple unauthorized access to encompass potential data breaches, system compromise, and unauthorized modifications to club management data. Remote unauthenticated users can exploit this vulnerability to manipulate membership records, alter club configurations, access confidential user information, and potentially disrupt normal club operations. The vulnerability's remote exploitability means that attackers do not require physical access or local network presence to leverage the flaw, increasing the attack surface and potential impact. Organizations using Northstar Club Management 6.3 face significant risk of unauthorized data manipulation, user account compromise, and potential system-wide disruption. From an ATT&CK framework perspective, this vulnerability aligns with techniques such as T1078: Valid Accounts and T1566: Phishing, as it allows adversaries to gain unauthorized access without proper credentials while potentially enabling further lateral movement within affected networks.
Mitigation strategies for CVE-2021-29396 must address the root cause through proper authentication enforcement and access control implementation. Organizations should immediately apply the vendor-provided security patches or updates that address the insecure permissions issue. Network segmentation and firewall rules should be implemented to restrict access to the affected application where possible, limiting the attack surface. Regular security assessments should verify that authentication mechanisms function correctly and that no unauthorized access pathways exist. System administrators should monitor for unusual access patterns or unauthorized modifications that may indicate exploitation attempts. The vulnerability highlights the importance of implementing defense-in-depth strategies, including regular security testing, access control reviews, and proper authentication protocol enforcement. Organizations should also consider implementing intrusion detection systems to monitor for exploitation attempts and establish incident response procedures specifically addressing authentication bypass vulnerabilities. Proper logging and monitoring of access attempts can help identify exploitation attempts and provide evidence for forensic analysis if the vulnerability is successfully exploited.