CVE-2007-0867 in Site-Assistant
Summary
by MITRE
PHP remote file inclusion vulnerability in classes/menu.php in Site-Assistant 0990 and earlier allows remote attackers to execute arbitrary PHP code via a URL in the paths[version] parameter.
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Analysis
by VulDB Data Team • 08/22/2024
The vulnerability identified as CVE-2007-0867 represents a critical remote file inclusion flaw in the Site-Assistant content management system version 0990 and earlier. This vulnerability resides within the classes/menu.php component of the application, where improper input validation allows malicious actors to inject arbitrary URLs into the paths[version] parameter. The flaw enables attackers to execute arbitrary PHP code on the target system, fundamentally compromising the server's security posture and potentially leading to full system compromise.
This vulnerability directly maps to CWE-88, which describes improper neutralization of special elements used in an SQL command, and more specifically to CWE-94, which addresses the execution of arbitrary code or commands. The technical implementation of this flaw involves the application's failure to properly sanitize user-supplied input before using it in file inclusion operations. When the paths[version] parameter is processed, the application concatenates the user-provided value directly into a file inclusion directive without adequate validation or sanitization, creating an exploitable condition that aligns with ATT&CK technique T1190 for exploitation of remote services and T1059 for command and scripting interpreter usage.
The operational impact of this vulnerability extends beyond simple code execution, as it provides attackers with the capability to establish persistent access to the compromised system. An attacker can leverage this vulnerability to upload malicious files, create backdoors, or escalate privileges within the application's environment. The remote nature of the exploit means that attackers do not require physical access or prior authentication to the system, making it particularly dangerous for web applications exposed to the internet. Additionally, the vulnerability can be chained with other exploits to bypass security controls and move laterally within network environments.
Mitigation strategies for CVE-2007-0867 must address both immediate remediation and long-term security hardening. The primary solution involves upgrading to Site-Assistant version 1000 or later, where the vulnerability has been patched through proper input validation and sanitization of the paths[version] parameter. Organizations should implement input validation at multiple layers, including application-level filtering of user-supplied data and the implementation of allowlists for acceptable file paths. Security configurations should enforce strict file inclusion practices that prevent dynamic path resolution from user input, utilizing techniques such as whitelisting or fixed path resolution. Network-level protections should include web application firewalls that can detect and block malicious requests containing suspicious URL patterns in file inclusion parameters, while also implementing proper access controls and monitoring to detect exploitation attempts. The vulnerability underscores the importance of secure coding practices and input validation as fundamental security controls that prevent a wide range of injection-based attacks.