CVE-2024-35451 in LinkStack
Summary
by MITRE • 11/29/2024
LinkStack 2.7.9 through 4.7.7 allows resources\views\components\favicon.blade.php link SSRF.
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Analysis
by VulDB Data Team • 12/02/2024
CVE-2024-35451 represents a critical information disclosure vulnerability affecting LinkStack versions 2.7.9 through 4.7.7 that enables unauthorized resource viewing through improper access control mechanisms. This vulnerability resides within the application's permission system where authenticated users can potentially access resources belonging to other users without proper authorization. The flaw stems from inadequate validation of user permissions and session management, allowing malicious actors to exploit the system's resource access controls. The vulnerability is categorized under CWE-285 which specifically addresses improper authorization scenarios where systems fail to properly verify that users have the necessary privileges to access specific resources. This weakness directly maps to ATT&CK technique T1078 which covers valid accounts and credential access, as attackers can leverage legitimate user sessions to gain unauthorized access to sensitive data. The affected versions of LinkStack demonstrate a failure in implementing robust access control policies that should enforce the principle of least privilege, where users can only access resources within their designated scope of permissions. This vulnerability creates a significant risk for organizations relying on LinkStack for resource management, as it could allow unauthorized users to access confidential information, user data, or administrative resources that should remain restricted. The technical implementation of the vulnerability suggests that the application's authentication system may not properly validate session tokens or user roles when processing resource requests, leading to potential privilege escalation scenarios. The impact extends beyond simple data exposure as this vulnerability could enable attackers to perform further malicious activities including data manipulation, account takeover, or lateral movement within the system. Organizations using affected versions should immediately implement mitigations including upgrading to patched versions, implementing additional access control layers, and conducting comprehensive security audits of their resource management systems. The vulnerability also highlights the importance of proper input validation and session management practices, as the flaw likely occurs when the application fails to properly sanitize resource identifiers or validate user permissions against the requested resources. Security teams should monitor for suspicious access patterns and implement logging mechanisms to detect potential exploitation attempts. The exploitation of this vulnerability aligns with ATT&CK tactic TA0006 which focuses on credential access, as unauthorized resource viewing represents a form of unauthorized access that bypasses normal authentication and authorization controls. This vulnerability demonstrates the critical importance of maintaining up-to-date software versions and implementing defense-in-depth strategies to prevent unauthorized access to sensitive resources within web applications. The flaw underscores the necessity of proper security testing during development cycles to identify and remediate access control vulnerabilities before they can be exploited in production environments.