CVE-2007-5298 in CMS Creamotion
Summary
by MITRE
Multiple PHP remote file inclusion vulnerabilities in CMS Creamotion allow remote attackers to execute arbitrary PHP code via a URL in the cfg[document_uri] parameter to (1) _administration/securite.php and (2) _administration/gestion_configurations/save_config.php.
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Analysis
by VulDB Data Team • 10/07/2024
The vulnerability described in CVE-2007-5298 represents a critical remote code execution flaw within the CMS Creamotion platform that stems from improper input validation and unsafe file handling practices. This vulnerability specifically affects two administrative scripts within the CMS framework, creating a pathway for malicious actors to inject and execute arbitrary PHP code on the target system. The flaw exists in the way the application processes user-supplied input through the cfg[document_uri] parameter, which is utilized in both _administration/securite.php and _administration/gestion_configurations/save_config.php files.
The technical nature of this vulnerability aligns with CWE-94, which describes "Improper Control of Generation of Code ('Code Injection')" and falls under the broader category of remote file inclusion attacks that have been prevalent in web application security for over a decade. The vulnerability operates by allowing an attacker to manipulate the cfg[document_uri] parameter to include malicious URLs that point to remote files containing arbitrary PHP code. When the CMS processes these parameters without proper sanitization, it attempts to include and execute the remote files, effectively granting attackers complete control over the affected system. This type of vulnerability is particularly dangerous because it can be exploited without authentication, making it an attractive target for automated attacks.
The operational impact of this vulnerability extends far beyond simple code execution, as it provides attackers with the capability to establish persistent backdoors, exfiltrate sensitive data, and potentially compromise the entire web infrastructure. Attackers can leverage this vulnerability to gain unauthorized access to the CMS administrative interface, modify website content, steal user credentials, and even use the compromised server as a launch point for further attacks against other systems within the network. The vulnerability affects the core functionality of the CMS, potentially allowing attackers to modify configuration settings, upload malicious files, and alter the behavior of the entire application. This makes it particularly dangerous in environments where the CMS serves as a critical component of web-based business operations.
Mitigation strategies for this vulnerability must address both the immediate exposure and the underlying architectural flaws that enabled the attack vector. Organizations should implement input validation and sanitization measures that reject any non-essential URLs or file paths in administrative parameters. The recommended approach includes applying the latest security patches from the CMS vendor, implementing proper parameter validation, and using allowlists for acceptable file paths rather than relying on user input for critical system operations. Additionally, network-level protections such as web application firewalls should be configured to detect and block suspicious URL patterns that attempt to exploit this class of vulnerability. The implementation of secure coding practices, including the principle of least privilege and proper error handling, would prevent the exploitation of similar vulnerabilities in the future. This vulnerability demonstrates the critical importance of input validation in web applications and serves as a reminder that even seemingly minor flaws in parameter handling can lead to complete system compromise. The ATT&CK framework categorizes this type of vulnerability under T1190 "Exploit Public-Facing Application" and T1059.007 "Command and Scripting Interpreter: PHP," highlighting the specific attack patterns and techniques that leverage such flaws in real-world exploitation scenarios.