CVE-2007-3404 in SiteDepth
Summary
by MITRE
Directory traversal vulnerability in ShowImage.php in SiteDepth CMS 3.44 allows remote attackers to read arbitrary files via a .. (dot dot) in the name parameter.
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Analysis
by VulDB Data Team • 09/23/2024
The vulnerability identified as CVE-2007-3404 represents a critical directory traversal flaw within the SiteDepth Content Management System version 3.44, specifically affecting the ShowImage.php component. This weakness enables remote attackers to access arbitrary files on the affected system by manipulating the name parameter through the use of directory traversal sequences such as .. This vulnerability falls under the CWE-22 category, which classifies directory traversal attacks as a fundamental security flaw that allows unauthorized access to files outside the intended directory structure. The vulnerability stems from insufficient input validation and sanitization within the ShowImage.php script, which processes user-supplied parameters without proper authorization checks or path normalization. When a malicious user submits a crafted name parameter containing directory traversal sequences, the application fails to properly validate or sanitize the input, allowing the attacker to navigate beyond the intended file access boundaries and potentially retrieve sensitive files from the server's file system.
The operational impact of this vulnerability extends beyond simple information disclosure, as it can potentially expose critical system files, configuration data, and sensitive user information. Attackers could leverage this weakness to access database configuration files, application source code, user credentials, and other confidential data stored on the server. The vulnerability is particularly dangerous in web applications where the CMS is used to manage sensitive content, as it could provide attackers with complete access to the underlying file system. The attack vector requires no authentication and can be executed remotely, making it highly exploitable and potentially devastating to the security posture of affected systems. This weakness directly enables techniques described in the ATT&CK framework under the T1083 (File and Directory Discovery) and T1566 (Phishing) tactics, as attackers can discover and exfiltrate sensitive files without requiring elevated privileges or complex attack chains.
Mitigation strategies for CVE-2007-3404 should focus on implementing proper input validation and sanitization mechanisms within the ShowImage.php script. The recommended approach includes implementing strict parameter validation that rejects or normalizes any input containing directory traversal sequences, utilizing whitelisting mechanisms for acceptable file names, and implementing proper path resolution that prevents navigation outside designated directories. Organizations should also consider implementing the principle of least privilege by restricting file access permissions and ensuring that web applications run with minimal required privileges. Additionally, regular security updates and patches should be applied to address known vulnerabilities in CMS platforms, as SiteDepth CMS version 3.44 is an outdated version that likely contains multiple unpatched security flaws. Network segmentation and intrusion detection systems can provide additional layers of defense by monitoring for suspicious file access patterns and anomalous directory traversal attempts. The vulnerability serves as a prime example of why input validation should be implemented at multiple layers of application security, as this weakness could have been prevented through proper parameter sanitization and path validation techniques that are standard practice in secure software development.