CVE-2019-8347 in BEESCMS
Summary
by MITRE
BEESCMS 4.0 has a CSRF vulnerability to add arbitrary VIP accounts via the admin/admin_member.php?action=add&nav=add_web_user&admin_p_nav=user URI.
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Analysis
by VulDB Data Team • 07/10/2023
The vulnerability identified as CVE-2019-8347 affects BEESCMS version 4.0 and represents a cross-site request forgery flaw that allows attackers to create arbitrary VIP user accounts through the administrative interface. This issue resides within the admin/admin_member.php endpoint with specific parameters action=add, nav=add_web_user, and admin_p_nav=user, making it particularly concerning for web application security. The vulnerability stems from the absence of proper anti-CSRF tokens or validation mechanisms within the administrative account creation process, enabling unauthorized users to manipulate the system through crafted requests.
The technical exploitation of this CSRF vulnerability occurs when an authenticated administrator visits a malicious website or clicks on a crafted link that triggers a request to the vulnerable BEESCMS administration interface. The attack vector leverages the fact that the application does not validate the origin or authenticity of requests made to the user account creation endpoint, allowing attackers to submit requests that appear to originate from legitimate administrative sessions. This flaw operates under CWE-352, which specifically addresses cross-site request forgery vulnerabilities, and aligns with ATT&CK technique T1078.004 for valid accounts and T1566 for credential access through social engineering.
The operational impact of this vulnerability is significant as it provides attackers with the ability to escalate privileges and gain unauthorized access to administrative functions within the BEESCMS platform. Successful exploitation allows attackers to create new VIP user accounts with elevated permissions, potentially leading to complete system compromise. The vulnerability affects the integrity and confidentiality of the application's user management system, as unauthorized individuals can manipulate the user database and potentially gain access to sensitive information or administrative controls. This represents a critical security risk that undermines the application's access control mechanisms and user authentication processes.
Organizations using BEESCMS version 4.0 should implement immediate mitigations including the addition of anti-CSRF tokens to all administrative actions, implementation of proper request origin validation, and enforcement of session-based authentication controls. The recommended approach involves deploying unique tokens for each user session that must be validated before any administrative actions are processed, ensuring that requests originate from legitimate administrative interfaces. Security measures should also include implementing proper referer header validation and implementing time-based session expiration mechanisms. Additionally, regular security audits and penetration testing should be conducted to identify similar vulnerabilities within the application's administrative interfaces, as this vulnerability may indicate broader security gaps in the application's authentication and authorization systems.