CVE-2007-0837 in AgerMenu
Summary
by MITRE
PHP remote file inclusion vulnerability in examples/inc/top.inc.php in AgerMenu 0.03 and earlier allows remote attackers to execute arbitrary PHP code via a URL in the rootdir parameter.
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Analysis
by VulDB Data Team • 08/22/2024
The vulnerability identified as CVE-2007-0837 represents a critical remote file inclusion flaw in the AgerMenu content management system version 0.03 and earlier. This vulnerability exists within the examples/inc/top.inc.php file where the application fails to properly validate or sanitize user input passed through the rootdir parameter. The flaw enables malicious actors to inject arbitrary URLs that are then included and executed as PHP code on the target server, creating a severe security risk that can lead to complete system compromise.
This vulnerability falls under the Common Weakness Enumeration category CWE-88, which specifically addresses improper neutralization of special elements used in an expression, commonly known as command injection or file inclusion attacks. The technical implementation of this flaw demonstrates how insufficient input validation allows attackers to manipulate the application's include mechanism, bypassing normal security boundaries. The rootdir parameter serves as the attack vector where user-supplied data directly influences the file inclusion process, creating an opportunity for remote code execution through the manipulation of file paths and URLs.
The operational impact of this vulnerability extends far beyond simple code execution, as it provides attackers with the capability to establish persistent access to the compromised system. Attackers can leverage this flaw to upload backdoor scripts, exfiltrate sensitive data, or deploy additional malware within the target environment. The vulnerability affects the entire AgerMenu installation, potentially compromising not just the web application but also underlying server resources and databases that may be accessible through the compromised system. Organizations using affected versions face significant risk of unauthorized access and potential data breaches.
Security mitigations for this vulnerability require immediate patching of the AgerMenu application to version 0.04 or later where the file inclusion vulnerability has been addressed. Organizations should implement input validation measures to sanitize all user-supplied parameters before processing, particularly those used in file inclusion contexts. The principle of least privilege should be enforced by restricting web server permissions and implementing proper access controls to prevent unauthorized file operations. Additionally, network segmentation and intrusion detection systems should monitor for suspicious file inclusion patterns and anomalous URL parameters that may indicate exploitation attempts. This vulnerability aligns with ATT&CK technique T1505.003 for server-side include manipulation and represents a classic example of how inadequate input validation can lead to complete system compromise through remote code execution.