CVE-2008-3228 in Joomla
Summary
by MITRE
Joomla! before 1.5.4 does not configure .htaccess to apply certain security checks that "block common exploits" to SEF URLs, which has unknown impact and remote attack vectors.
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Analysis
by VulDB Data Team • 04/21/2019
The vulnerability identified as CVE-2008-3228 affects Joomla! content management systems prior to version 1.5.4, specifically concerning the configuration of .htaccess files that are essential for implementing security measures against common web exploits. This issue represents a critical oversight in the default security configuration of the platform, as the .htaccess file serves as the primary mechanism for enforcing security policies at the web server level. The vulnerability stems from the absence of proper security directives within the default .htaccess configuration, leaving installations exposed to various attack vectors that could be exploited by malicious actors.
The technical flaw manifests in the failure of Joomla! 1.5.4 and earlier versions to include essential security checks within their default .htaccess file configuration. These missing security measures typically include protections against common exploit patterns such as directory traversal attacks, SQL injection attempts, and other web application vulnerabilities that target the structure of SEF (Search Engine Friendly) URLs. The absence of these security controls creates a significant attack surface where malicious actors can potentially leverage the exposed URL structure to execute unauthorized operations or gain unauthorized access to system resources.
The operational impact of this vulnerability extends beyond simple exploitation capabilities, as it fundamentally compromises the security posture of affected Joomla! installations. The unknown impact and remote attack vectors suggest that attackers could potentially leverage this weakness from outside the local network, making it particularly dangerous for publicly accessible web applications. This vulnerability affects the integrity of the web application by allowing unauthorized access to potentially sensitive components and data that should normally be protected by proper URL filtering mechanisms. The exposure of SEF URLs without adequate protection creates opportunities for attackers to probe application logic and potentially discover additional vulnerabilities within the system.
Security professionals should note that this vulnerability aligns with CWE-22, which addresses improper limitation of a pathname to a restricted directory, and represents a failure in proper input validation and access control implementation. The issue also relates to ATT&CK technique T1190, which involves exploiting vulnerabilities in web applications, particularly when default configurations fail to provide adequate protection. Organizations running affected Joomla! versions should immediately implement mitigations including manual configuration of .htaccess files with proper security directives, regular security audits of web server configurations, and deployment of web application firewalls to protect against exploitation attempts.
The recommended remediation approach involves upgrading to Joomla! version 1.5.4 or later, which includes the corrected .htaccess configuration with proper security controls. Additionally, system administrators should manually verify and enhance .htaccess configurations to include security measures such as restricting access to sensitive directories, implementing proper URL rewriting rules, and adding protection against common attack patterns. Regular security monitoring and vulnerability assessment procedures should be implemented to ensure that similar configuration issues do not arise in other components of the web application stack, as this vulnerability demonstrates the critical importance of proper default security configurations in content management systems.