CVE-2008-7087 in OpenPro
Summary
by MITRE
PHP remote file inclusion vulnerability in search_wA.php in OpenPro 1.3.1 allows remote attackers to execute arbitrary PHP code via a URL in the LIBPATH parameter.
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Analysis
by VulDB Data Team • 08/23/2025
The vulnerability identified as CVE-2008-7087 represents a critical remote file inclusion flaw within the OpenPro 1.3.1 web application, specifically affecting the search_wA.php script. This vulnerability falls under the category of insecure direct object references and improper input validation, creating a pathway for malicious actors to execute arbitrary code on the target system. The flaw manifests when the application fails to properly validate or sanitize user-supplied input passed through the LIBPATH parameter, allowing attackers to inject malicious URLs that are subsequently included and executed by the PHP interpreter. The vulnerability is classified as a CWE-98 weakness, which specifically addresses the inclusion of files based on user-controllable input without proper validation. This type of vulnerability enables attackers to leverage the application's legitimate file inclusion mechanisms to load and execute malicious code from remote servers, effectively bypassing normal security controls and gaining unauthorized access to the system.
The technical exploitation of this vulnerability requires minimal prerequisites and can be executed through simple HTTP requests that manipulate the LIBPATH parameter to point to attacker-controlled remote resources. When the vulnerable application processes the malicious input, it performs a file inclusion operation that loads the remote PHP script, which then executes within the context of the web server. This execution context provides attackers with the ability to perform various malicious activities including data exfiltration, privilege escalation, and system compromise. The vulnerability's impact is particularly severe because it allows for arbitrary code execution, which aligns with ATT&CK technique T1059.007 for command and scripting interpreter usage. The attack surface is expanded when considering that the vulnerability affects a search functionality, which typically receives input from multiple sources and may be accessible to unauthenticated users, making the exploitation vector more accessible and potentially more widespread.
The operational impact of CVE-2008-7087 extends beyond simple code execution to encompass complete system compromise and data breach potential. Once an attacker successfully exploits this vulnerability, they can establish persistent access, deploy backdoors, and conduct reconnaissance activities within the compromised environment. The vulnerability's classification as a remote code execution flaw means that attackers can operate entirely from external positions without requiring physical access or prior system compromise. Organizations using OpenPro 1.3.1 are particularly vulnerable because the flaw exists in a core application component that likely handles various user interactions and system functions. The security implications include potential data loss, service disruption, and regulatory compliance violations, especially when considering that the vulnerability affects web applications that may handle sensitive user information or business-critical data. Furthermore, the exploitability of this vulnerability aligns with ATT&CK technique T1190 for exploit public-facing application, which describes how attackers target vulnerabilities in externally accessible applications to gain initial access to target networks.
Mitigation strategies for CVE-2008-7087 require immediate attention and implementation of multiple defensive measures to prevent exploitation. The primary remediation involves implementing strict input validation and sanitization for all user-supplied parameters, particularly those used in file inclusion operations. Organizations should disable remote file inclusion capabilities entirely by configuring PHP settings to prevent inclusion of remote resources, specifically by setting allow_url_include to false in php.ini. Additionally, input filtering should be implemented to reject any URLs or file paths that do not conform to expected patterns, using allowlist validation approaches rather than denylist methods. The application should be updated to a patched version of OpenPro that addresses this vulnerability, as the original version is no longer supported and likely contains additional unpatched security flaws. Network-level protections including web application firewalls and intrusion detection systems can help detect and block exploitation attempts, while proper access controls and least privilege principles should be implemented to limit potential damage from successful exploitation. Security monitoring should be enhanced to detect unusual file inclusion patterns and unauthorized access attempts, with regular security assessments to identify similar vulnerabilities in other application components that may be susceptible to the same class of attacks.