CVE-2007-0824 in LightRO CMS
Summary
by MITRE
PHP remote file inclusion vulnerability in inhalt.php in LightRO CMS 1.0 allows remote attackers to execute arbitrary PHP code via a URL in the dateien[news] parameter.
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Analysis
by VulDB Data Team • 08/22/2024
The vulnerability identified as CVE-2007-0824 represents a critical remote file inclusion flaw in LightRO CMS version 1.0, specifically within the inhalt.php script. This vulnerability falls under the category of insecure direct object references and improper input validation, creating a pathway for malicious actors to execute arbitrary code on the target system. The flaw occurs when the application fails to properly validate or sanitize user-supplied input parameters, allowing attackers to inject malicious URLs that are then processed by the PHP interpreter.
The technical implementation of this vulnerability stems from the improper handling of the dateien[news] parameter within the inhalt.php file. When a user provides a URL in this parameter, the application does not adequately verify the legitimacy of the input before including it as a file. This lack of input sanitization creates an environment where attackers can inject malicious PHP code through remote URLs, effectively bypassing local file access controls and executing arbitrary commands on the web server. The vulnerability is classified as a remote code execution issue that aligns with CWE-94, which specifically addresses the execution of arbitrary code due to improper input validation.
The operational impact of this vulnerability is severe and multifaceted, as it provides attackers with complete control over the affected web server. An attacker can leverage this vulnerability to upload and execute malicious code, potentially leading to data breaches, server compromise, and further network infiltration. The vulnerability can be exploited through simple HTTP requests, making it particularly dangerous as it requires minimal technical expertise to exploit. This type of vulnerability directly maps to ATT&CK technique T1190, which describes the use of remote services to gain initial access to target systems.
The exploitation of this vulnerability typically involves crafting a malicious URL that points to a remote server hosting attacker-controlled PHP code. When the vulnerable application processes this input, it includes the remote file and executes the PHP code within it, effectively granting the attacker a backdoor into the system. This vulnerability demonstrates the critical importance of input validation and the principle of least privilege in web application security. Organizations using LightRO CMS version 1.0 should immediately implement mitigations including input validation, parameter sanitization, and the removal of any unnecessary file inclusion capabilities. The vulnerability also highlights the need for regular security audits and the implementation of web application firewalls to detect and prevent such attacks. Additionally, the use of secure coding practices and the principle of input sanitization should be enforced throughout the development lifecycle to prevent similar vulnerabilities from being introduced in future applications.