CVE-2008-3454 in PHP Hosting Directory
Summary
by MITRE
JnSHosts PHP Hosting Directory 2.0 allows remote attackers to bypass authentication and gain administrative access by setting the "adm" cookie value to 1.
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Analysis
by VulDB Data Team • 11/02/2024
The vulnerability identified as CVE-2008-3454 affects JnSHosts PHP Hosting Directory version 2.0, representing a critical authentication bypass flaw that directly compromises system security. This issue stems from improper input validation and insecure cookie handling mechanisms within the application's authentication framework. The vulnerability allows remote attackers to escalate their privileges without legitimate credentials by simply manipulating a single cookie value, specifically the "adm" cookie, which when set to the value of 1, grants administrative access to the system. This represents a classic example of insecure direct object reference and weak session management practices that violate fundamental security principles.
The technical implementation of this vulnerability demonstrates a clear lack of proper access control validation within the application's authentication logic. When the application processes user requests, it fails to verify whether the requesting user actually possesses administrative privileges before granting access to administrative functions. The "adm" cookie serves as a simple flag mechanism that should be validated against legitimate administrative credentials or session tokens, but instead functions as a direct privilege escalation vector. This flaw directly maps to CWE-285, which addresses improper authorization within software applications, and also aligns with CWE-384, concerning session management vulnerabilities that allow privilege escalation through manipulated session data.
From an operational impact perspective, this vulnerability creates a severe security risk for organizations utilizing JnSHosts PHP Hosting Directory 2.0, as it enables unauthorized remote access to critical administrative functions. Attackers can exploit this weakness to perform actions such as modifying user accounts, accessing sensitive system information, altering hosting configurations, and potentially compromising the entire hosting infrastructure. The remote nature of the attack means that no local system access or physical presence is required, making the vulnerability particularly dangerous in environments where the application is exposed to untrusted networks. This vulnerability also provides a pathway for attackers to establish persistent access and could facilitate further exploitation through lateral movement within the network.
The mitigation strategy for this vulnerability requires immediate implementation of proper authentication and authorization controls. Organizations should implement proper session management practices that validate administrative privileges through legitimate authentication mechanisms rather than relying on cookie-based flag systems. The application code must be updated to validate administrative access through proper credential verification before granting administrative privileges. This includes implementing server-side validation of administrative sessions, using secure session tokens, and ensuring that privilege levels cannot be manipulated through client-side cookie manipulation. Security measures should also include implementing proper input validation, using secure coding practices that follow the principle of least privilege, and conducting regular security audits to identify similar vulnerabilities in the application's authentication framework. The ATT&CK framework categorizes this vulnerability under privilege escalation techniques, specifically targeting the T1078 credential access sub-technique where adversaries use valid credentials or manipulate authentication mechanisms to gain elevated access.