CVE-2010-2129 in Com Jeajaxeventcalendar
Summary
by MITRE
Directory traversal vulnerability in the JE Ajax Event Calendar (com_jeajaxeventcalendar) component 1.0.1 and 1.0.3 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.
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Analysis
by VulDB Data Team • 06/25/2025
The CVE-2010-2129 vulnerability represents a critical directory traversal flaw within the JE Ajax Event Calendar component for Joomla! versions 1.0.1 and 1.0.3. This vulnerability falls under the Common Weakness Enumeration category CWE-22, which specifically addresses improper limitation of a pathname to a restricted directory, commonly known as path traversal or directory traversal attacks. The flaw exists in the component's handling of the view parameter within the index.php script, creating an opportunity for remote attackers to access arbitrary files on the server filesystem.
The technical implementation of this vulnerability exploits the lack of proper input validation and sanitization within the Joomla! component's parameter handling mechanism. When the view parameter contains directory traversal sequences such as .. (dot dot), the component fails to adequately restrict file access paths, allowing attackers to navigate beyond the intended directory boundaries. This occurs because the application does not properly validate or sanitize user-supplied input before using it in file operations, enabling malicious actors to craft requests that can traverse the filesystem hierarchy and access sensitive files such as configuration files, database credentials, or other system resources that should remain protected.
The operational impact of this vulnerability is substantial, as it enables attackers to read arbitrary files on the affected server without authentication. This can lead to complete system compromise, data exfiltration, and potential lateral movement within the network. Attackers can leverage this vulnerability to access Joomla! configuration files that may contain database connection details, administrator credentials, or other sensitive information that could be used for further attacks. The vulnerability is particularly dangerous because it operates remotely, meaning attackers can exploit it from outside the network without requiring local access or credentials.
Security mitigations for this vulnerability include immediate patching of the affected Joomla! component to version 1.0.4 or later, which contains the necessary input validation fixes. Organizations should also implement proper input sanitization measures, including parameter validation and whitelist-based input filtering, to prevent unauthorized path traversal attempts. Network segmentation and firewall rules can provide additional protection by limiting access to sensitive components and reducing the attack surface. The vulnerability demonstrates the importance of proper input validation and output encoding practices as outlined in the OWASP Top Ten and aligns with ATT&CK technique T1059.007 for command and script injection, as attackers could potentially leverage this to execute malicious code through the access to sensitive files. Regular security assessments and component updates remain critical defensive measures against similar vulnerabilities in web applications.