CVE-2006-4475 in Joomla
Summary
by MITRE
Joomla! before 1.0.11 does not limit access to the Admin Popups functionality, which has unknown impact and attack vectors.
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Analysis
by VulDB Data Team • 04/21/2019
The vulnerability identified as CVE-2006-4475 affects Joomla framework, where proper access controls are not enforced for administrative interfaces that should only be accessible to authenticated administrators. The lack of access limitation creates a potential pathway for malicious actors to exploit administrative functions without proper credentials, fundamentally compromising the integrity of the system's user privilege model.
The technical implementation of this vulnerability stems from insufficient validation of user permissions within the Admin Popups component. When users attempt to access administrative popup interfaces, the system fails to verify whether the requesting user possesses the appropriate administrative privileges. This represents a classic authorization bypass vulnerability that can be categorized under CWE-285, which deals with improper authorization in software systems. The flaw allows attackers to potentially access sensitive administrative functions through direct manipulation of interface elements or by exploiting the lack of proper session validation. The unknown impact and attack vectors suggest that the vulnerability may enable various forms of administrative abuse, including but not limited to data manipulation, user account compromise, and system configuration changes.
The operational impact of this vulnerability extends beyond simple unauthorized access, as it provides attackers with potential pathways to escalate privileges and execute more sophisticated attacks within the Joomla versions prior to 1.0.11 indicates a fundamental flaw in the platform's security architecture that could have been leveraged by attackers to compromise entire websites. The attack vectors remain unspecified, suggesting that multiple exploitation methods could be possible, including direct URL manipulation, session hijacking, or social engineering approaches that exploit the lack of proper access controls.
Mitigation strategies for this vulnerability center on immediate patching and implementation of proper access control measures. Organizations running affected Joomla! versions should upgrade to version 1.0.11 or later immediately, as this update addresses the core authorization flaw in the Admin Popups functionality. Additionally, administrators should implement comprehensive access control policies, including regular review of user permissions, implementation of strong authentication mechanisms, and monitoring of administrative interface access attempts. The vulnerability demonstrates the importance of proper input validation and access control enforcement, which aligns with ATT&CK technique T1078 for valid accounts and T1548 for abuse of privileges. Network-level controls such as web application firewalls and intrusion detection systems can help detect and prevent exploitation attempts, while regular security audits should verify that all administrative interfaces properly enforce authorization checks. The remediation process should also include education of administrators about the importance of maintaining current software versions and the potential consequences of running outdated systems with known vulnerabilities.