CVE-2007-0806 in Les News
Summary
by MITRE
Les News 2.2 allows remote attackers to bypass authentication and gain administrative access via a direct request for adminews/index_fr.php3, and possibly the adminews index documents for other localizations.
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Analysis
by VulDB Data Team • 10/09/2017
The vulnerability described in CVE-2007-0806 affects Les News 2.2, a content management system that suffers from a critical authentication bypass flaw. This issue stems from inadequate access control mechanisms within the application's directory structure, specifically exposing administrative interfaces through predictable file paths. The vulnerability allows remote attackers to directly access administrative functions without proper authentication, fundamentally undermining the system's security model. The flaw is particularly concerning as it affects not only the French localization but potentially all localized versions of the administrative interface, indicating a systemic design weakness in the application's access control implementation. This type of vulnerability directly violates the principle of least privilege and demonstrates poor security by design practices.
The technical exploitation of this vulnerability occurs through direct HTTP requests targeting specific file paths within the application's directory structure. Attackers can bypass standard authentication mechanisms by directly accessing adminews/index_fr.php3 and potentially similar administrative documents for other language localizations. This represents a classic path traversal or directory exposure vulnerability where administrative interfaces are not properly protected or secured. The vulnerability can be classified under CWE-284, which deals with improper access control, and specifically aligns with ATT&CK technique T1078 which covers valid accounts and legitimate credentials. The flaw essentially provides an unauthenticated path to administrative functionality, allowing attackers to perform privileged operations such as modifying content, adding users, or altering system configurations.
The operational impact of this vulnerability is severe and potentially catastrophic for organizations using Les News 2.2. Remote attackers with knowledge of the specific file paths can immediately assume administrative privileges without requiring any credentials, making the system completely compromised. This allows for complete control over the content management system, including the ability to deface websites, inject malicious content, steal sensitive data, or establish persistent access through backdoor creation. The vulnerability affects the confidentiality, integrity, and availability of the affected system, potentially leading to data breaches, service disruption, and reputational damage. Organizations may face regulatory compliance issues and legal consequences if sensitive information is compromised through such unauthorized access. The attack surface extends beyond immediate system compromise to include potential lateral movement within networks where the affected system resides.
Mitigation strategies for this vulnerability should focus on immediate remediation and long-term security improvements. The primary fix involves implementing proper access controls and authentication checks for all administrative interfaces, ensuring that direct access to administrative files is prevented through proper authorization mechanisms. Organizations should implement web application firewalls to block access to known administrative paths and employ input validation to prevent path traversal attacks. The solution should include proper role-based access control implementations, ensuring that only authenticated and authorized users can access administrative functions. Additionally, regular security assessments and penetration testing should be conducted to identify similar vulnerabilities in other applications. System administrators should also implement network segmentation and monitoring to detect unauthorized access attempts. The vulnerability highlights the importance of following secure coding practices and conducting thorough security reviews during application development, particularly focusing on access control mechanisms and authentication flows. Regular updates and patch management processes should be established to ensure timely remediation of known vulnerabilities.