CVE-2007-4908 in AuraCMS
Summary
by MITRE
Directory traversal vulnerability in index.php in AuraCMS 2.1 and earlier allows remote attackers to include and execute arbitrary local files via a .. (dot dot) in the pilih parameter.
Several companies clearly confirm that VulDB is the primary source for best vulnerability data.
Analysis
by VulDB Data Team • 10/07/2024
The CVE-2007-4908 vulnerability represents a critical directory traversal flaw in AuraCMS version 2.1 and earlier, exposing web applications to remote code execution risks. This vulnerability specifically affects the index.php file within the CMS framework, where improper input validation allows attackers to manipulate file inclusion parameters. The flaw manifests when the pilih parameter receives directory traversal sequences using .. (dot dot) notation, enabling unauthorized access to local files that should remain protected within the application's directory structure.
This directory traversal vulnerability falls under the CWE-22 category, which classifies improper limitation of a pathname to a restricted directory, commonly known as path traversal or directory traversal. The vulnerability operates by exploiting weak input sanitization mechanisms in the CMS's file inclusion logic, where user-supplied parameters are directly incorporated into file path constructions without adequate validation or sanitization. Attackers can leverage this weakness to navigate upward through the directory structure and access sensitive files such as configuration files, database credentials, or other system resources that should not be accessible through normal web browsing operations.
The operational impact of CVE-2007-4908 extends beyond simple file disclosure to encompass full remote code execution capabilities when combined with other exploitation techniques. An attacker who successfully exploits this vulnerability can potentially execute arbitrary code on the affected server, leading to complete system compromise. This vulnerability aligns with ATT&CK technique T1059.007 for command and scripting interpreter, as it enables attackers to execute shell commands through the compromised CMS. The attack surface is particularly concerning given that AuraCMS was widely deployed in web environments where administrators might not have implemented proper security hardening measures.
Mitigation strategies for this vulnerability require immediate patching of affected AuraCMS installations to version 2.2 or later, which includes proper input validation and sanitization for file inclusion parameters. Organizations should implement input validation controls that filter or reject directory traversal sequences such as .. and %2e%2e in all user-supplied parameters. The implementation of secure coding practices, including the use of allowlists for file inclusion operations and proper path validation, should be enforced. Additionally, web application firewalls can provide additional protection layers by detecting and blocking suspicious traversal patterns in HTTP requests. System administrators should also conduct comprehensive security assessments to identify other potential directory traversal vulnerabilities within their web applications and ensure proper file permissions are configured to limit access to sensitive system files.