CVE-2010-1473 in Com Advertising
Summary
by MITRE
Directory traversal vulnerability in the Advertising (com_advertising) component 0.25 for Joomla! allows remote attackers to read arbitrary files and possibly have unspecified other impact via a .. (dot dot) in the controller parameter to index.php.
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Analysis
by VulDB Data Team • 07/03/2025
The CVE-2010-1473 vulnerability represents a critical directory traversal flaw within the com_advertising component version 0.25 of the Joomla! content management system. This vulnerability specifically affects the component's handling of the controller parameter in the index.php file, creating an exploitable condition that enables remote attackers to access arbitrary files on the server. The flaw stems from inadequate input validation and sanitization mechanisms that fail to properly filter or escape special characters, particularly the double dot sequence used to navigate directory structures.
The technical implementation of this vulnerability allows attackers to manipulate the controller parameter by injecting .. (dot dot) sequences that traverse up the directory hierarchy. When processed by the vulnerable Joomla! component, these sequences bypass normal access controls and permit unauthorized file access to sensitive system resources including configuration files, database credentials, and potentially system files that should remain protected from public access. The vulnerability operates at the application layer and can be exploited through HTTP requests without requiring authentication or prior system access.
From an operational impact perspective, this vulnerability poses significant risks to Joomla installation that has not updated to a patched version of the com_advertising component.
Security professionals should note this vulnerability aligns with CWE-22 Directory Traversal and maps to several ATT&CK techniques including T1083 File and Directory Discovery and T1566 Phishing. The vulnerability demonstrates the critical importance of proper input validation and the principle of least privilege in web application security. Organizations should immediately implement mitigations including applying the official Joomla! security patches, implementing web application firewalls, and conducting comprehensive security audits of their web applications. Additionally, regular security monitoring and vulnerability scanning should be performed to identify and remediate similar issues in other components and applications within the organization's attack surface.
The remediation approach requires immediate patching of the com_advertising component to version 0.26 or later, which includes proper input validation and sanitization of the controller parameter. System administrators should also implement input filtering at the web server level and consider additional security measures such as restricting file permissions and implementing proper access controls. Regular security assessments and vulnerability management processes should be established to prevent similar issues from occurring in other components or applications within the organization's infrastructure.