CVE-2006-6630 in osprey
Summary
by MITRE
PHP remote file inclusion vulnerability in ListRecords.php in osprey 1.0 allows remote attackers to execute arbitrary PHP code via a URL in the lib_dir parameter.
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Analysis
by VulDB Data Team • 08/21/2017
The vulnerability identified as CVE-2006-6630 represents a critical remote file inclusion flaw in the osprey 1.0 web application, specifically within the ListRecords.php component. This vulnerability falls under the category of insecure direct object references and remote code execution, with the potential to allow attackers to execute arbitrary PHP code on the target system. The flaw manifests when the application fails to properly validate or sanitize user-supplied input passed through the lib_dir parameter, creating an avenue for malicious actors to inject and execute unauthorized code.
The technical implementation of this vulnerability stems from the application's improper handling of the lib_dir parameter in ListRecords.php, which directly influences the inclusion of PHP files. When an attacker supplies a malicious URL as the value for lib_dir, the application processes this input without adequate validation, leading to the inclusion of remote files that may contain malicious PHP code. This vulnerability is classified as a CWE-98 issue, representing improper file inclusion where an application includes or requires a file based on user-supplied input without proper sanitization or validation. The flaw operates at the intersection of input validation and file inclusion mechanisms, where the application's trust in user-provided parameters enables unauthorized code execution.
The operational impact of this vulnerability extends beyond simple code execution, as it provides attackers with the capability to gain full control over the affected system. Attackers can leverage this vulnerability to upload and execute backdoors, steal sensitive data, modify application behavior, or establish persistent access to the compromised environment. The remote nature of the vulnerability means that attackers do not require physical access to the system, making it particularly dangerous for web applications exposed to the internet. This vulnerability aligns with ATT&CK technique T1190, which covers exploits for execution through remote services, and represents a classic example of how insufficient input validation can lead to complete system compromise.
Mitigation strategies for CVE-2006-6630 must focus on implementing proper input validation and sanitization mechanisms within the application. The most effective approach involves eliminating the use of user-supplied input for file inclusion operations, instead implementing a whitelist-based system that only allows pre-approved file paths to be included. Additionally, developers should employ secure coding practices such as using include_once or require_once functions with hardcoded, validated paths rather than dynamic user input. The application should also implement proper error handling to prevent information disclosure and consider implementing a web application firewall to detect and block malicious requests attempting to exploit this vulnerability. Organizations should conduct regular security assessments and apply the latest security patches to prevent exploitation of known vulnerabilities in their web applications.