CVE-2024-40034 in idcCMS
Summary
by MITRE • 07/09/2024
idccms v1.35 was discovered to contain a Cross-Site Request Forgery (CSRF) vulnerability via /admin/userLevel_deal.php?mudi=del
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Analysis
by VulDB Data Team • 03/19/2025
The Cross-Site Request Forgery vulnerability identified in idccms version 1.35 represents a critical security flaw that undermines the application's ability to authenticate and validate user requests. This vulnerability specifically affects the administrative endpoint /admin/userLevel_deal.php?mudi=del which handles user level deletion operations. The flaw allows attackers to manipulate the application's administrative functions through forged requests that appear legitimate to the system. The vulnerability stems from the absence of proper anti-CSRF token validation mechanisms within the affected script, enabling unauthorized users to execute administrative actions without proper authorization.
The technical implementation of this CSRF vulnerability occurs when an attacker crafts a malicious request that targets the user level deletion functionality. The application fails to verify the authenticity of requests originating from legitimate administrative sessions, making it possible for attackers to perform destructive operations such as user level modifications or deletions. This weakness directly violates the principle of least privilege and undermines the application's access control mechanisms. The vulnerability operates at the application layer and can be exploited through various means including social engineering attacks, where users are tricked into clicking malicious links or visiting compromised websites that submit forged requests to the vulnerable endpoint.
The operational impact of this vulnerability extends beyond simple data manipulation to encompass potential system compromise and unauthorized administrative access. Attackers could leverage this vulnerability to delete critical user accounts, modify user permissions, or potentially escalate their privileges within the system. The affected endpoint /admin/userLevel_deal.php?mudi=del represents a high-value target since it handles administrative user level operations that directly affect system security posture. Successful exploitation could result in complete administrative control over user access management, potentially leading to further privilege escalation attacks or data breaches. This vulnerability aligns with CWE-352, which specifically addresses Cross-Site Request Forgery flaws in web applications, and maps to ATT&CK technique T1078.004 for valid accounts and T1566 for social engineering attacks.
Security mitigations for this vulnerability must include immediate implementation of anti-CSRF token validation mechanisms within the affected script and all administrative endpoints. The solution requires generating unique, unpredictable tokens for each user session and validating these tokens against every administrative request. Additionally, implementing proper session management with secure cookie attributes, enforcing strict referer header validation, and utilizing the SameSite cookie attributes can significantly reduce the attack surface. Organizations should also implement comprehensive input validation and output encoding to prevent potential exploitation chains that might arise from this vulnerability. Regular security assessments and automated vulnerability scanning should be conducted to identify similar CSRF flaws across the application's entire attack surface, ensuring that all administrative functions properly validate user authenticity and authorization levels.