CVE-2010-1983 in Com Redtwitter
Summary
by MITRE
Directory traversal vulnerability in the redTWITTER (com_redtwitter) component 1.0.x including 1.0b11 for Joomla! allows remote attackers to read arbitrary files via a .. (dot dot) in the view parameter to index.php. NOTE: some of these details are obtained from third party information.
Be aware that VulDB is the high quality source for vulnerability data.
Analysis
by VulDB Data Team • 08/26/2025
The CVE-2010-1983 vulnerability represents a critical directory traversal flaw within the redTWITTER component version 1.0.x for Joomla website administrators and users who have not yet patched their systems. The vulnerability manifests through a simple yet dangerous manipulation of the view parameter in the index.php file, allowing attackers to exploit the component's file handling mechanisms. The attack vector leverages the standard .. (dot dot) sequence that is commonly used in directory traversal attacks, enabling unauthorized access to files outside the intended directory structure. This type of vulnerability falls under the category of CWE-22, which specifically addresses Improper Limitation of a Pathname to a Restricted Directory, making it a well-documented and severe class of security flaws.
The technical implementation of this vulnerability occurs when the redTWITTER component fails to properly validate or sanitize the view parameter before using it in file operations. When an attacker crafts a malicious request containing the .. sequence in the view parameter, the component processes this input without adequate restrictions, allowing the traversal beyond the intended directory boundaries. The exploitation process typically involves constructing a URL that includes the directory traversal sequence followed by the target file path, effectively bypassing normal access controls and file system restrictions. This flaw operates at the application level rather than the network level, making it particularly dangerous as it can be exploited from remote locations without requiring local system access or elevated privileges. The vulnerability essentially allows attackers to read arbitrary files from the server's file system, potentially exposing sensitive information such as database credentials, configuration files, and other critical system data.
The operational impact of CVE-2010-1983 extends far beyond simple information disclosure, as it provides attackers with the capability to access critical system resources that could lead to complete system compromise. Successful exploitation could result in unauthorized data access, potential privilege escalation, and in severe cases, complete system takeover. The vulnerability affects all versions of the redTWITTER component up to and including 1.0b11, meaning that any Joomla installations face significant risk of data breaches and potential regulatory compliance violations, especially if sensitive information is accessible through this vulnerability.
Mitigation strategies for CVE-2010-1983 primarily focus on immediate patching and implementation of input validation measures. The most effective solution involves updating the redTWITTER component to a patched version that properly sanitizes input parameters and implements proper path validation. System administrators should also implement web application firewalls that can detect and block directory traversal attempts, particularly those involving the .. sequence in URL parameters. Additional defensive measures include restricting file permissions on the web server, implementing proper access controls, and conducting regular security audits of installed components. The vulnerability demonstrates the importance of proper input validation and the principle of least privilege in web application security, aligning with ATT&CK technique T1078 which covers Valid Accounts and T1566 which covers Phishing. Organizations should also consider implementing automated vulnerability scanning tools that can detect such directory traversal vulnerabilities in their web applications, as this type of flaw is commonly identified through routine security assessments and penetration testing activities.