CVE-2006-5930 in Aigaion
Summary
by MITRE
Multiple PHP remote file inclusion vulnerabilities in Aigaion Web based bibliography management system 1.2.1 and earlier allow remote attackers to execute arbitrary PHP code via a URL in the DIR parameter to (1) _basicfunctions.php, or (2) pageactionauthor.php.
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Analysis
by VulDB Data Team • 04/27/2026
The vulnerability identified as CVE-2006-5930 represents a critical remote code execution flaw within the Aigaion Web based bibliography management system version 1.2.1 and earlier. This vulnerability stems from improper input validation and sanitization mechanisms that fail to adequately restrict user-supplied data from being processed as part of file inclusion operations. The affected system operates under the assumption that all file paths and URLs provided by users are safe, creating an exploitable condition where malicious actors can inject arbitrary PHP code through carefully crafted input parameters.
The technical implementation of this vulnerability occurs through the manipulation of the DIR parameter in two specific files: _basicfunctions.php and pageactionauthor.php. When these files process user input without proper validation, they become susceptible to remote file inclusion attacks where attacker-controlled URLs can be executed within the context of the web application. This flaw aligns with CWE-88, which describes improper neutralization of special elements used in an expression, and CWE-94, which addresses the execution of arbitrary code or commands. The vulnerability essentially allows an attacker to bypass normal access controls and execute malicious code on the target system.
The operational impact of this vulnerability is severe and multifaceted, as it provides attackers with complete control over the affected web server. Successful exploitation enables remote code execution, which can lead to data theft, system compromise, and potential lateral movement within network environments. Attackers can leverage this vulnerability to upload backdoors, establish persistent access, and conduct further reconnaissance. The implications extend beyond immediate code execution to include potential privilege escalation and complete system takeover, making this a critical security concern for any organization utilizing the affected software version.
Mitigation strategies for CVE-2006-5930 should prioritize immediate software updates to versions that have addressed these vulnerabilities. Organizations should implement input validation and sanitization measures that prevent user-supplied data from being interpreted as file paths or URLs. The principle of least privilege should be enforced by configuring the web application to operate with minimal necessary permissions and by implementing proper access controls. Additionally, network segmentation and intrusion detection systems can help monitor for suspicious activities related to file inclusion attempts. This vulnerability also maps to ATT&CK technique T1505.003, which describes the use of web shell deployment and command execution through remote file inclusion attacks, highlighting the importance of comprehensive defensive measures.