CVE-2010-1981 in Com Fabrikar
Summary
by MITRE
Directory traversal vulnerability in the Fabrik (com_fabrik) component 2.0 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 identified as CVE-2010-1981 represents a critical directory traversal flaw within the Fabrik component version 2.0 for Joomla! platforms. This security weakness enables remote attackers to access arbitrary files on the target system by manipulating the controller parameter through the index.php script. The vulnerability stems from insufficient input validation and sanitization mechanisms that fail to properly restrict file access paths, allowing malicious actors to navigate beyond the intended directory boundaries.
The technical implementation of this flaw occurs when the Fabrik component processes user-supplied input through the controller parameter without adequate filtering or validation. When an attacker crafts a request containing directory traversal sequences such as ..%2F or similar encoded variants, the application fails to sanitize this input properly, resulting in the execution of unintended file access operations. This vulnerability directly maps to CWE-22, which categorizes improper limitation of a pathname to a restricted directory, commonly known as path traversal or directory traversal attacks. The flaw essentially allows attackers to bypass normal access controls and retrieve sensitive files from the web server's file system.
The operational impact of CVE-2010-1981 extends beyond simple file disclosure, as it provides attackers with potential access to critical system files, configuration data, and potentially sensitive information stored within the Joomla platform when the Fabrik component is installed, creating a persistent threat vector that remains active until properly patched. Attackers can leverage this weakness to gather intelligence about the target system, potentially leading to further exploitation techniques and advanced persistent threats.
Mitigation strategies for this vulnerability require immediate patching of the Fabrik component to version 2.0.1 or later, which includes proper input validation and sanitization measures. System administrators should implement comprehensive input filtering at multiple layers, including web application firewalls and server-side validation mechanisms. The recommended approach aligns with ATT&CK technique T1083, which focuses on discovering file and directory permissions on compromised systems, as organizations should regularly audit their file access controls and implement principle of least privilege. Additionally, security monitoring should be enhanced to detect suspicious directory traversal patterns in web server logs, and regular security assessments should be conducted to identify similar vulnerabilities in other installed components. Organizations should also consider implementing automated patch management processes to ensure timely remediation of known vulnerabilities across their entire Joomla! ecosystem.