CVE-2007-0677 in Cadre PHP Framework
Summary
by MITRE
PHP remote file inclusion vulnerability in fw/class.Quick_Config_Browser.php in Cadre PHP Framework 20020724 allows remote attackers to execute arbitrary PHP code via a URL in the GLOBALS[config][framework_path] parameter.
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Analysis
by VulDB Data Team • 08/20/2024
The CVE-2007-0677 vulnerability represents a critical remote file inclusion flaw within the Cadre PHP Framework version 20020724, specifically affecting the fw/class.Quick_Config_Browser.php component. This vulnerability stems from improper input validation and sanitization mechanisms that fail to adequately restrict user-supplied data from being directly incorporated into file inclusion operations. The flaw occurs when the application processes the GLOBALS[config][framework_path] parameter without sufficient validation, allowing malicious actors to inject arbitrary URLs that get executed within the context of the web server. This type of vulnerability directly maps to CWE-98, which describes improper control of code generation and execution, and falls under the broader category of insecure direct object references that enable attackers to manipulate application behavior through crafted input.
The technical exploitation of this vulnerability relies on the framework's failure to properly validate and sanitize the framework_path parameter before using it in file inclusion operations. When an attacker crafts a malicious request containing a URL in the GLOBALS[config][framework_path] parameter, the application treats this input as a legitimate file path and attempts to include the remote file. This creates a remote code execution vector that can be leveraged to execute arbitrary PHP code on the target server, potentially allowing full system compromise. The vulnerability exists because the application does not implement proper input filtering or validation, making it susceptible to injection attacks that bypass normal security controls. This flaw aligns with ATT&CK technique T1190, which describes the use of remote access tools and exploitation of web application vulnerabilities to gain unauthorized access.
The operational impact of this vulnerability extends beyond simple code execution, as it provides attackers with the ability to completely compromise the affected web server and potentially escalate privileges to gain access to underlying system resources. An attacker could leverage this vulnerability to deploy backdoors, exfiltrate sensitive data, modify application behavior, or use the compromised server as a staging point for further attacks within the network. The vulnerability affects the core framework functionality and can lead to complete system compromise if not addressed promptly. Organizations running this version of the Cadre PHP Framework face significant risk, as the vulnerability can be exploited remotely without authentication, making it particularly dangerous in publicly accessible environments. The flaw demonstrates poor secure coding practices and highlights the importance of input validation and the principle of least privilege in web application development.
Mitigation strategies for CVE-2007-0677 require immediate action to address the root cause through proper input validation and sanitization. Organizations should implement strict parameter validation that rejects any input containing URLs or special characters that could be used for file inclusion attacks. The recommended approach involves filtering user-supplied data to ensure it conforms to expected patterns and does not contain malicious payloads. Additionally, the framework should be updated to a patched version that properly validates the framework_path parameter or the entire Cadre PHP Framework should be replaced with a more secure alternative. Security measures should include disabling remote file inclusion features, implementing proper access controls, and conducting regular security assessments to identify similar vulnerabilities. Organizations should also consider implementing web application firewalls and monitoring systems to detect and prevent exploitation attempts. The vulnerability underscores the importance of following secure coding guidelines and adhering to security best practices such as those outlined in the OWASP Top Ten and NIST cybersecurity frameworks to prevent similar issues in the future.