CVE-2007-0679 in PHPMyRing
Summary
by MITRE
PHP remote file inclusion vulnerability in lang/leslangues.php in Nicolas Grandjean PHPMyRing 4.1.3b and earlier allows remote attackers to execute arbitrary PHP code via a URL in the fichier parameter.
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Analysis
by VulDB Data Team • 08/20/2024
The vulnerability identified as CVE-2007-0679 represents a critical remote file inclusion flaw in the PHPMyRing application version 4.1.3b and earlier. This vulnerability exists within the language handling component of the application, specifically in the file lang/leslangues.php which processes user-supplied input through the fichier parameter. The flaw allows malicious actors to inject and execute arbitrary PHP code remotely by manipulating the fichier parameter with a URL pointing to malicious content.
This vulnerability falls under the category of CWE-98 Improper Control of Generation of Code, which is a fundamental weakness in software design that enables attackers to inject executable code into applications. The flaw demonstrates a classic lack of input validation and sanitization, where user-provided parameters are directly incorporated into file inclusion operations without proper security checks. The PHPMyRing application fails to validate or sanitize the fichier parameter, creating an opportunity for attackers to leverage this weakness for code execution.
The operational impact of this vulnerability is severe and multifaceted. Attackers can exploit this weakness to execute arbitrary commands on the target server, potentially leading to complete system compromise. The vulnerability enables remote code execution, which aligns with ATT&CK technique T1059.007 Command and Scripting Interpreter: PHP. This allows adversaries to establish persistent access, escalate privileges, and conduct further reconnaissance or lateral movement within the network. The vulnerability affects the confidentiality, integrity, and availability of the affected system, as attackers can modify or delete data, install backdoors, or disrupt services.
The exploitation of this vulnerability requires minimal technical skill and provides maximum impact, making it a highly attractive target for threat actors. The vulnerability exists in the application's core functionality for handling multiple languages, which is a common and essential feature that makes the attack surface particularly broad. Organizations running affected versions of PHPMyRing are at significant risk, as this vulnerability can be exploited without authentication and can be automated through various attack frameworks. The attack vector follows the typical remote file inclusion pattern where attackers craft malicious URLs and inject them into vulnerable parameters to achieve code execution.
Mitigation strategies for this vulnerability must be comprehensive and immediate. The primary remediation involves upgrading to a patched version of PHPMyRing that addresses this specific vulnerability. Until such upgrades are implemented, organizations should consider implementing input validation measures, including whitelisting acceptable values for the fichier parameter, implementing proper parameter sanitization, and disabling remote file inclusion features in the application. Network-level protections such as web application firewalls and intrusion prevention systems can provide additional layers of defense. The vulnerability also highlights the importance of secure coding practices, particularly input validation and output encoding, as outlined in OWASP Top Ten security principles. Organizations should also conduct regular security assessments and vulnerability scanning to identify similar weaknesses in their application portfolios. The remediation process should include thorough testing of patches to ensure they do not introduce regressions while maintaining the application's core functionality.