CVE-2006-4720 in Mcgallery Pro
Summary
by MITRE
PHP remote file inclusion vulnerability in random2.php in mcGalleryPRO 2006 allows remote attackers to execute arbitrary PHP code via a URL in the path_to_folder parameter.
Once again VulDB remains the best source for vulnerability data.
Analysis
by VulDB Data Team • 07/19/2024
The vulnerability identified as CVE-2006-4720 represents a critical remote file inclusion flaw in the mcGalleryPRO 2006 web application, specifically affecting the random2.php script. This vulnerability falls under the category of insecure direct object references and improper input validation, creating a pathway for malicious actors to execute arbitrary code on the target system. The issue manifests when the application fails to properly sanitize user-supplied input passed through the path_to_folder parameter, allowing attackers to inject malicious URLs that are subsequently included and executed by the PHP interpreter.
The technical exploitation of this vulnerability occurs through the manipulation of the path_to_folder parameter within the random2.php script, which accepts external URLs without adequate validation or sanitization. When a remote attacker crafts a malicious request containing a URL in this parameter, the application performs a file inclusion operation that retrieves and executes the remote code, effectively bypassing the intended application boundaries. This flaw directly maps to CWE-88, which describes improper neutralization of special elements used in an expression, and CWE-94, which addresses improper execution of code due to inadequate input validation. The vulnerability enables attackers to execute arbitrary PHP code with the privileges of the web server, potentially leading to complete system compromise.
The operational impact of this vulnerability extends beyond simple code execution, as it provides attackers with the capability to establish persistent access, escalate privileges, and perform reconnaissance activities within the compromised environment. Attackers can leverage this vulnerability to upload backdoor scripts, exfiltrate sensitive data, or deploy additional malicious payloads that can persist across system reboots. The vulnerability affects the confidentiality, integrity, and availability of the web application and underlying system, as unauthorized code execution can result in data breaches, system corruption, or service disruption. This type of vulnerability is particularly dangerous in environments where the web server has elevated privileges, as it can lead to full system compromise and lateral movement within the network infrastructure.
Mitigation strategies for CVE-2006-4720 should focus on implementing proper input validation and sanitization techniques, including the use of allowlists for acceptable input values and the implementation of secure coding practices that prevent dynamic code execution. Organizations should disable the ability to include remote files through user-controllable parameters and implement proper parameter validation that ensures all inputs are properly sanitized before processing. The remediation process involves updating the mcGalleryPRO application to a patched version that addresses the input validation flaw, while also implementing web application firewalls and runtime application self-protection mechanisms. According to ATT&CK framework, this vulnerability corresponds to T1190 - Exploit Public-Facing Application, and T1059.007 - Command and Scripting Interpreter: PHP, highlighting the need for defensive measures that monitor and prevent such exploitation attempts through network-based detection and application-level security controls.