CVE-2007-4009 in Confixx
Summary
by MITRE
PHP remote file inclusion vulnerability in admin/business_inc/saveserver.php in SWSoft Confixx Pro 2.0.12 through 3.3.1 allows remote attackers to execute arbitrary PHP code via a URL in the thisdir parameter.
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Analysis
by VulDB Data Team • 09/28/2024
The vulnerability identified as CVE-2007-4009 represents a critical remote file inclusion flaw within SWSoft Confixx Pro versions 2.0.12 through 3.3.1. This vulnerability resides in the admin/business_inc/saveserver.php script where user-supplied input is improperly handled, creating an avenue for remote code execution. The flaw specifically manifests when the thisdir parameter is manipulated with a malicious URL, allowing attackers to inject and execute arbitrary PHP code on the target system. This type of vulnerability falls under the category of CWE-88, which describes improper neutralization of special elements used in an expression, specifically addressing the dangerous practice of directly incorporating user input into file inclusion operations without proper validation or sanitization.
The technical exploitation of this vulnerability requires an attacker to craft a malicious URL and pass it as the thisdir parameter to the vulnerable script. When the application processes this input, it treats the URL as a legitimate file path and attempts to include the remote file, thereby executing any PHP code contained within that remote resource. This creates a severe attack surface where remote adversaries can gain unauthorized access to the system and potentially escalate privileges. The vulnerability's impact is amplified by the fact that it allows for arbitrary code execution, which can lead to complete system compromise. From an operational perspective, this vulnerability aligns with ATT&CK technique T1190, which covers exploiting vulnerabilities in remote services, and T1059, which involves executing malicious code through command and scripting interpreters. The attack chain typically involves reconnaissance to identify the vulnerable application, crafting of malicious payloads, and subsequent exploitation to establish persistent access or execute destructive operations.
The security implications of this vulnerability extend beyond simple code execution, as it provides attackers with potential access to sensitive system information, database credentials, and administrative controls. Organizations running affected versions of SWSoft Confixx Pro face significant risks including data breaches, system compromise, and potential regulatory compliance violations. The vulnerability demonstrates a fundamental flaw in input validation practices, where the application fails to properly sanitize user-provided parameters before using them in file operations. This represents a classic example of insecure programming practices that have been widely documented in security literature and commonly addressed through proper input validation, parameterized queries, and principle of least privilege implementations. The affected systems should be immediately patched or updated to versions that address this vulnerability, as the window of opportunity for exploitation remains open until remediation is complete. Security teams should implement network monitoring to detect attempts to exploit this vulnerability and consider implementing web application firewalls to provide additional protection layers. The vulnerability also highlights the importance of regular security assessments and vulnerability scanning to identify and remediate similar issues across the entire application portfolio.