CVE-2010-4617 in Com Jotloader
Summary
by MITRE
Directory traversal vulnerability in the JotLoader (com_jotloader) component 2.2.1 for Joomla! allows remote attackers to read arbitrary files via directory traversal sequences in the section parameter to index.php.
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Analysis
by VulDB Data Team • 08/04/2025
The vulnerability identified as CVE-2010-4617 represents a critical directory traversal flaw within the JotLoader component version 2.2.1 for Joomla! platforms. This security weakness enables remote attackers to access arbitrary files on the web server by exploiting improper input validation in the section parameter of the index.php script. The vulnerability stems from insufficient sanitization of user-supplied input, allowing malicious actors to manipulate file paths through specially crafted directory traversal sequences such as ../ or ..\.
This directory traversal vulnerability falls under the Common Weakness Enumeration category CWE-22, which specifically addresses improper limitation of a pathname to a restricted directory, also known as path traversal or directory traversal. The flaw operates by allowing attackers to bypass normal access controls and retrieve sensitive files from the server filesystem. In the context of Joomla! installations, this vulnerability could potentially expose configuration files, database credentials, user information, and other sensitive data that should remain protected from unauthorized access.
The operational impact of this vulnerability is significant as it provides remote attackers with the capability to read arbitrary files without authentication. Attackers can leverage this weakness to access not only application files but potentially system files that contain critical information. The vulnerability affects Joomla! installations running the specific JotLoader component version 2.2.1, making it particularly dangerous for websites that have not yet updated to patched versions. The attack vector is straightforward, requiring only a web browser or automated tool to construct malicious URLs that exploit the path traversal mechanism in the component's processing logic.
From a threat modeling perspective, this vulnerability aligns with ATT&CK technique T1083 (File and Directory Discovery) and T1566 (Phishing with Malicious Attachment) as attackers can use this weakness to discover and extract sensitive information from compromised systems. The vulnerability also maps to ATT&CK technique T1213 (Data from Information Repositories) as it enables unauthorized access to stored data through compromised application components. Organizations running vulnerable Joomla! installations face potential data breaches, intellectual property theft, and system compromise when this vulnerability remains unpatched.
The recommended mitigation strategy involves immediate application of the vendor-provided security patch or upgrade to a patched version of the JotLoader component. System administrators should also implement input validation measures and consider implementing web application firewalls to detect and block directory traversal attempts. Additionally, regular security audits and vulnerability assessments should be conducted to identify similar weaknesses in other components and ensure comprehensive protection against file traversal attacks. The vulnerability highlights the importance of proper input validation and access control mechanisms in web applications, particularly those handling user-supplied data in file operations.