CVE-2007-5318 in webCMS
Summary
by MITRE
Unspecified vulnerability in preview.php in TYPOlight webCMS 2.4.6 allows remote attackers to download arbitrary files via the src parameter. NOTE: the provenance of this information is unknown; the details are obtained solely from third party information.
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Analysis
by VulDB Data Team • 09/10/2018
The vulnerability identified as CVE-2007-5318 affects TYPOlight web content management system version 2.4.6 and resides within the preview.php script. This represents a critical security flaw that enables remote attackers to execute unauthorized file retrieval operations through manipulation of the src parameter. The vulnerability falls under the category of insecure direct object reference as described in CWE-22, where the application fails to properly validate user input before processing file access requests. The absence of proper access controls and input sanitization creates an exploitable condition that allows attackers to bypass normal file access restrictions and retrieve files from the server's file system.
The technical implementation of this vulnerability occurs when the preview.php script processes the src parameter without adequate validation or sanitization of the input. Attackers can construct malicious URLs that manipulate the src parameter to point to arbitrary files on the server, potentially including sensitive configuration files, database credentials, or system files. This flaw represents a classic path traversal vulnerability pattern that has been documented across numerous web applications, where insufficient input validation enables attackers to access files outside the intended directory structure. The vulnerability's impact is amplified by the fact that it operates without requiring authentication, making it particularly dangerous as it can be exploited by anyone with access to the affected web application.
From an operational perspective, this vulnerability creates significant risks for organizations using TYPOlight 2.4.6 as their content management platform. Successful exploitation could lead to data breaches, exposure of sensitive system information, and potential compromise of the entire web server infrastructure. The attack vector is particularly concerning because it requires minimal privileges and can be executed remotely, allowing attackers to systematically enumerate and extract valuable information from the target system. According to ATT&CK framework category T1213, this vulnerability enables adversaries to gather data from information repositories, while T1566 covers the technique of malicious file execution through web application vulnerabilities. Organizations may face regulatory compliance issues and reputational damage if sensitive data is compromised through such attacks.
Mitigation strategies for CVE-2007-5318 should focus on immediate patching of the TYPOlight CMS to a version that addresses this vulnerability. System administrators should implement proper input validation and sanitization measures within the preview.php script to prevent direct object reference manipulation. Access controls should be strengthened to ensure that file access operations are properly authenticated and authorized. Network segmentation and firewall rules can help limit exposure by restricting access to the vulnerable application. Additionally, implementing web application firewalls and intrusion detection systems can provide additional layers of protection against exploitation attempts. Organizations should conduct thorough security assessments to identify similar vulnerabilities in other applications and ensure proper security configurations are in place to prevent unauthorized file access operations. The vulnerability highlights the critical importance of maintaining up-to-date software versions and implementing robust input validation practices to prevent exploitation of known security flaws in web applications.