CVE-2010-1307 in Com Joomlaupdater
Summary
by MITRE
Directory traversal vulnerability in the Magic Updater (com_joomlaupdater) component for Joomla! allows remote attackers to read arbitrary files via a .. (dot dot) in the controller parameter to index.php.
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Analysis
by VulDB Data Team • 08/18/2025
The CVE-2010-1307 vulnerability represents a critical directory traversal flaw within the Joomla installation. The directory traversal occurs when the application fails to properly sanitize the controller parameter, permitting attackers to inject ../ sequences that navigate outside the intended directory structure and access sensitive files that should remain protected.
This vulnerability directly maps to CWE-22, which defines the weakness of Improper Limitation of a Pathname to a Restricted Directory, commonly known as path traversal or directory traversal. The flaw operates by manipulating the application's parameter handling to bypass normal file access controls, allowing unauthorized file retrieval from the server. The attack vector specifically targets the controller parameter in the Joomla! component architecture, where the application processes user input without sufficient validation to prevent path manipulation. This type of vulnerability falls under the broader category of insecure input handling and demonstrates how insufficient sanitization of user-supplied parameters can lead to severe information disclosure risks. The vulnerability enables attackers to potentially access configuration files, database credentials, user information, and other sensitive system components that should not be publicly accessible.
The operational impact of CVE-2010-1307 is substantial and multifaceted, as it provides attackers with the ability to extract sensitive information from the target system. Successful exploitation can lead to complete system compromise, as attackers may access database configuration files containing administrative credentials, application configuration files, and potentially other sensitive data that could facilitate further attacks. The vulnerability can also enable attackers to discover other system components, identify installed software versions, and gather intelligence for more sophisticated attacks. In a typical attack scenario, an attacker would construct a malicious URL with directory traversal sequences targeting the vulnerable controller parameter, potentially gaining access to files such as configuration.php, which contains database connection information and administrative passwords. The impact extends beyond simple information disclosure to include potential privilege escalation and system infiltration, as the leaked information could be used to target other vulnerabilities or gain deeper access to the system.
Mitigation strategies for CVE-2010-1307 focus on both immediate patching and defensive measures. The most effective solution involves applying the official security patches released by Joomla! for this vulnerability, which typically include input validation improvements and proper parameter sanitization. Organizations should also implement web application firewalls that can detect and block directory traversal attempts in HTTP requests. Additional defensive measures include implementing proper input validation at multiple layers, restricting file access permissions, and ensuring that applications do not allow arbitrary file access through user-supplied parameters. Network segmentation and monitoring can help detect exploitation attempts by monitoring for unusual patterns in HTTP requests containing directory traversal sequences. The vulnerability serves as a reminder of the importance of secure coding practices and input validation, particularly in components that handle user input for file operations. Organizations should also conduct regular security assessments and vulnerability scans to identify similar issues in other components and ensure comprehensive protection against directory traversal attacks. This vulnerability highlights the need for adherence to security standards such as those outlined in the OWASP Top Ten and the ATT&CK framework's techniques for path traversal and credential access.