CVE-2006-4607 in Jacome php-Revista
Summary
by MITRE
admin/index.php in Longino Jacome php-Revista 1.1.2 allows remote attackers to bypass authentication controls by setting the ID_ADMIN and SUPER_ADMIN parameters to 1.
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Analysis
by VulDB Data Team • 11/26/2024
The vulnerability described in CVE-2006-4607 represents a critical authentication bypass flaw within the php-Revista content management system version 1.1.2 developed by Longino Jacome. This vulnerability exists in the administrative interface at admin/index.php, where the application fails to properly validate user credentials and administrative privileges. The flaw allows remote attackers to gain unauthorized administrative access simply by manipulating specific parameters in the HTTP request, making it particularly dangerous as it can be exploited from anywhere on the internet without requiring prior authentication or knowledge of valid credentials.
The technical implementation of this vulnerability stems from a lack of proper input validation and authentication checks within the application's administrative authentication mechanism. When an attacker constructs a request to admin/index.php and sets both the ID_ADMIN and SUPER_ADMIN parameters to the value 1, the system incorrectly accepts these values as legitimate administrative credentials. This parameter manipulation bypasses the normal authentication flow and grants full administrative privileges to the attacker. The vulnerability is classified as a weakness in authentication controls, which aligns with CWE-287, specifically addressing improper authentication mechanisms where the system fails to properly verify the identity of users attempting to access privileged functions.
The operational impact of this vulnerability is severe and multifaceted. An attacker who successfully exploits this flaw gains complete administrative control over the affected php-Revista installation, enabling them to perform any administrative function including but not limited to user management, content modification, database access, configuration changes, and potentially system compromise. This level of access allows for data exfiltration, service disruption, and the establishment of persistent backdoors. The vulnerability affects the confidentiality, integrity, and availability of the affected system, as attackers can modify content, delete data, and manipulate the application's behavior. Furthermore, the remote exploit capability means that attackers do not need physical access to the network or system, making the vulnerability particularly dangerous for web applications.
The exploitation of this vulnerability demonstrates a fundamental flaw in the application's security architecture where parameter manipulation can be used to directly influence access control decisions. This type of vulnerability is categorized under the MITRE ATT&CK framework as a privilege escalation technique, specifically falling under the category of "Exploitation for Privilege Escalation" where attackers leverage application weaknesses to gain higher levels of access than originally intended. Organizations using php-Revista version 1.1.2 should immediately implement mitigations including input validation for all parameters, proper authentication mechanisms, and regular security updates. The recommended approach involves patching the application to properly validate administrative privileges and implement proper session management controls to prevent parameter tampering attacks. Additionally, network segmentation and access controls should be implemented to limit the potential impact of such vulnerabilities in the event of exploitation.