CVE-2010-4943 in Brothersoft
Summary
by MITRE
Multiple PHP remote file inclusion vulnerabilities in Saurus CMS 4.7.0 allow remote attackers to execute arbitrary PHP code via a URL in the class_path parameter to (1) file.php or (2) com_del.php.
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Analysis
by VulDB Data Team • 11/15/2025
The vulnerability identified as CVE-2010-4943 represents a critical remote file inclusion flaw within Saurus CMS version 4.7.0 that exposes the system to arbitrary code execution attacks. This vulnerability specifically affects two key files within the CMS infrastructure: file.php and com_del.php, both of which accept user-supplied input through the class_path parameter without proper validation or sanitization. The flaw resides in the application's failure to properly validate and filter input parameters before using them in file inclusion operations, creating an avenue for malicious actors to inject and execute arbitrary PHP code on the target server.
This vulnerability maps directly to CWE-88, which describes improper neutralization of special elements used in an expression, specifically in the context of remote file inclusion attacks. The technical implementation of this flaw demonstrates how insufficient input validation allows attackers to manipulate the class_path parameter to reference external URLs containing malicious PHP payloads. When the application processes these parameters, it performs a direct file inclusion operation without adequate security controls, enabling attackers to load and execute their own code within the context of the web application. The attack vector leverages the trust model inherent in PHP's include or require functions, which will execute any valid PHP code found at the specified path.
The operational impact of this vulnerability is severe and multifaceted, as it provides attackers with complete control over the affected server environment. Successful exploitation can result in full system compromise, data theft, privilege escalation, and potential lateral movement within the network. Attackers can leverage this vulnerability to establish persistent backdoors, exfiltrate sensitive information, or use the compromised server as a launch point for further attacks against other systems. The remote nature of the vulnerability means that attackers do not require physical access or prior authentication to exploit the flaw, making it particularly dangerous in publicly accessible web environments.
From a threat modeling perspective, this vulnerability aligns with ATT&CK technique T1190, which covers the exploitation of remote services through the use of remote file inclusion. Organizations should implement multiple layers of defense including input validation, output encoding, and proper parameter sanitization to prevent such attacks. The recommended mitigations include immediate patching of the Saurus CMS to a version that addresses this vulnerability, implementing web application firewalls to detect and block malicious requests, and applying principle of least privilege configurations to limit the impact of potential compromises. Additionally, organizations should conduct regular security assessments and implement proper input validation mechanisms to prevent similar vulnerabilities from occurring in other applications within their infrastructure.