CVE-2010-1340 in Com Jresearch
Summary
by MITRE
Directory traversal vulnerability in jresearch.php in the J!Research (com_jresearch) 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 • 07/28/2025
The vulnerability described in CVE-2010-1340 represents a classic directory traversal flaw within the J platforms. This security weakness resides in the jresearch.php file and specifically affects the controller parameter handling within the index.php script. The vulnerability allows remote attackers to manipulate file access paths by injecting .. (dot dot) sequences into the controller parameter, enabling unauthorized access to arbitrary files on the server filesystem. Such directory traversal attacks exploit insufficient input validation and path resolution mechanisms within the application's component architecture.
The technical exploitation of this vulnerability occurs through manipulation of the controller parameter in the URL structure targeting the Joomla! content management system. When the application processes the controller parameter without proper sanitization or validation, it fails to prevent directory traversal sequences that would normally be blocked by standard security mechanisms. This flaw falls under the CWE-22 category of Improper Limitation of a Pathname to a Restricted Directory, which is a fundamental weakness in how applications handle file system access controls. The vulnerability specifically impacts the component's ability to properly validate and sanitize user input before using it in file system operations.
The operational impact of CVE-2010-1340 extends beyond simple file reading capabilities and can potentially lead to complete system compromise. Attackers can leverage this vulnerability to access sensitive configuration files, database credentials, application source code, and other critical system resources that may contain authentication tokens, encryption keys, or other sensitive data. The remote nature of this attack means that adversaries do not require local system access or credentials to exploit the vulnerability, making it particularly dangerous for web applications. This type of vulnerability aligns with ATT&CK technique T1083 (File and Directory Discovery) and can potentially lead to further exploitation techniques such as T1078 (Valid Accounts) or T1566 (Phishing with Malicious Attachments) when sensitive data is accessed and exfiltrated.
Mitigation strategies for CVE-2010-1340 should focus on implementing proper input validation and sanitization mechanisms within the Joomla installations, as this vulnerability was addressed in subsequent versions of the J
platform. The implementation of web application firewalls and security monitoring solutions can also provide additional layers of protection against such exploitation attempts.
The broader implications of this vulnerability highlight the importance of secure coding practices and proper input validation in web application development. This flaw demonstrates how seemingly minor implementation gaps in parameter handling can result in severe security consequences. Organizations should implement comprehensive security testing procedures including penetration testing and code reviews to identify similar vulnerabilities in their web applications. The vulnerability also underscores the critical need for maintaining up-to-date software components and implementing defense-in-depth strategies that protect against various attack vectors. Security teams should monitor vulnerability databases and apply security patches promptly to prevent exploitation of known vulnerabilities like CVE-2010-1340.