CVE-2008-6402 in Sofi WebGui
Summary
by MITRE
PHP remote file inclusion vulnerability in hu/modules/reg-new/modstart.php in Sofi WebGui 0.6.3 PRE and earlier allows remote attackers to execute arbitrary PHP code via a URL in the mod_dir parameter.
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Analysis
by VulDB Data Team • 11/04/2024
The vulnerability identified as CVE-2008-6402 represents a critical remote file inclusion flaw in the Sofi WebGui 0.6.3 PRE and earlier versions, specifically within the hu/modules/reg-new/modstart.php component. This vulnerability falls under the category of insecure direct object reference and remote code execution, creating a significant security risk for affected systems. The flaw stems from inadequate input validation and sanitization mechanisms that fail to properly restrict user-supplied data before using it in file inclusion operations.
The technical implementation of this vulnerability occurs when the mod_dir parameter is processed without proper validation, allowing attackers to inject malicious URLs that point to remote resources containing arbitrary PHP code. When the application includes this parameter directly in file operations, it enables remote code execution through the inclusion of attacker-controlled scripts hosted on external servers. This type of vulnerability is classified as CWE-88 due to improper neutralization of argument separators in a command or a URL, and it aligns with ATT&CK technique T1190 for exploitation of remote services and T1059 for command and scripting interpreter usage.
The operational impact of this vulnerability is severe as it provides attackers with complete control over the affected system, enabling them to execute arbitrary commands, access sensitive data, and potentially establish persistent backdoors. Attackers can leverage this vulnerability to deploy web shells, exfiltrate database credentials, and perform further reconnaissance within the network. The vulnerability affects the entire Sofi WebGui application stack, potentially compromising all user accounts and system resources accessible through the web interface.
Mitigation strategies for CVE-2008-6402 should prioritize immediate patching of the Sofi WebGui application to version 0.6.3 PRE or later, which contains the necessary fixes for input validation. Organizations should implement proper input sanitization techniques, including strict parameter validation and the use of allowlists for acceptable values. Network segmentation and firewall rules should be configured to restrict access to the vulnerable application, while web application firewalls can provide additional protection against malicious URL injection attempts. Regular security assessments and code reviews should be conducted to identify similar vulnerabilities in other components, with particular attention to any file inclusion operations that process user-supplied data without proper validation. The vulnerability demonstrates the critical importance of secure coding practices and input validation in preventing remote code execution attacks that can lead to complete system compromise.