CVE-2024-31232 in Rehub Plugin
Summary
by MITRE • 05/17/2024
Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') vulnerability in Sizam Design Rehub allows PHP Local File Inclusion.This issue affects Rehub: from n/a through 19.6.1.
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Analysis
by VulDB Data Team • 05/17/2024
The vulnerability identified as CVE-2024-31232 represents a critical path traversal flaw within the Sizam Design Rehub platform that enables unauthorized access to sensitive files through improper input validation. This weakness resides in the application's handling of file paths and allows attackers to manipulate directory traversal sequences that bypass intended access controls. The vulnerability specifically manifests as an improper limitation of pathname to a restricted directory, which directly maps to CWE-22, a well-documented weakness in software security that affects numerous applications across different platforms. The flaw enables PHP local file inclusion attacks by allowing malicious actors to specify arbitrary file paths that can access system resources beyond the intended directory structure.
The technical implementation of this vulnerability occurs when the Rehub application processes user-supplied input without adequate sanitization or validation of directory path components. Attackers can exploit this by crafting malicious input that includes sequences such as "../" or similar path traversal patterns to navigate outside the intended directory boundaries. When the application processes these inputs through PHP file inclusion functions, it executes the specified file paths, potentially leading to exposure of sensitive system files, configuration data, or even remote code execution depending on the server configuration and file permissions. This vulnerability affects all versions of Rehub from the initial release through version 19.6.1, indicating a persistent flaw that has not been adequately addressed in the software lifecycle.
The operational impact of CVE-2024-31232 extends beyond simple information disclosure to potentially enable full system compromise when combined with other attack vectors. An attacker who successfully exploits this vulnerability can access critical system files, database configuration details, application source code, and potentially gain insights into the underlying infrastructure. The implications are particularly severe in web applications where the application server typically runs with elevated privileges, allowing attackers to access files that should normally be restricted. This vulnerability aligns with ATT&CK technique T1059.007, which covers PHP and Python remote code execution, as the path traversal can lead to code execution through file inclusion mechanisms. Organizations using affected versions of Rehub face significant risk of data breaches, system compromise, and potential regulatory violations depending on the nature of the exposed data.
Mitigation strategies for this vulnerability require immediate implementation of input validation and sanitization measures to prevent path traversal sequences from being processed by the application. The recommended approach involves implementing strict whitelisting of acceptable file paths, employing absolute path resolution with proper directory restrictions, and utilizing secure file handling functions that prevent directory traversal attacks. Organizations should also implement proper access controls and privilege separation to limit the impact of any successful exploitation attempts. The vulnerability should be addressed through immediate patching or version updates to Rehub, as the issue affects multiple versions and represents a persistent security flaw. Additionally, implementing web application firewalls with path traversal detection capabilities and regular security audits of file inclusion functions can provide additional layers of defense. Security monitoring should be enhanced to detect suspicious file access patterns that may indicate exploitation attempts, and regular penetration testing should be conducted to validate the effectiveness of implemented controls against similar vulnerabilities.