CVE-2006-2485 in Quezza Bb
Summary
by MITRE
PHP remote file inclusion vulnerability in includes/class_template.php in Quezza 1.0 and earlier, and possibly 1.1.0 allows remote attackers to execute arbitrary PHP code via a URL in the quezza_root_path parameter.
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Analysis
by VulDB Data Team • 07/12/2021
The vulnerability identified as CVE-2006-2485 represents a critical remote file inclusion flaw affecting the Quezza content management system version 1.0 and earlier, with potential impact on version 1.1.0. This vulnerability resides within the includes/class_template.php file and exploits a fundamental security weakness that allows remote attackers to inject and execute arbitrary PHP code through manipulation of the quezza_root_path parameter. The flaw demonstrates characteristics consistent with CWE-88, which describes improper neutralization of argument delimiters in a command or query, and aligns with ATT&CK technique T1190 for exploiting vulnerabilities in web applications.
The technical implementation of this vulnerability occurs when the application fails to properly validate or sanitize user input passed through the quezza_root_path parameter. When an attacker supplies a malicious URL as the value for this parameter, the application incorporates this external resource into its execution flow without adequate verification. This creates an environment where remote code execution becomes possible, as the PHP interpreter processes the malicious code contained within the included remote file. The vulnerability essentially allows an attacker to bypass normal access controls and execute arbitrary commands on the target system with the privileges of the web server process.
The operational impact of CVE-2006-2485 extends beyond simple code execution to encompass complete system compromise and potential data breaches. An attacker who successfully exploits this vulnerability can gain full control over the affected web server, potentially leading to unauthorized access to sensitive data, system infiltration, and the ability to establish persistent backdoors. The remote nature of the attack means that exploitation can occur from anywhere on the internet without requiring local system access or prior authentication. This vulnerability particularly affects web applications that dynamically include files based on user input, making it a prime target for automated exploitation tools commonly used in malicious cyber campaigns.
Mitigation strategies for this vulnerability must address both immediate remediation and long-term security improvements. The most effective immediate solution involves patching the application to version 1.1.1 or later, which contains the necessary fixes to prevent remote file inclusion attacks. Organizations should also implement input validation controls that sanitize all user-supplied parameters, particularly those used in file inclusion operations. The implementation of proper parameter validation, including the use of allowlists for acceptable values and the rejection of suspicious input patterns, significantly reduces the attack surface. Additionally, the application should be configured to disable remote file inclusion features entirely and restrict file inclusion to local paths only. Security measures should also include monitoring for unusual file inclusion patterns and implementing web application firewalls that can detect and block malicious requests attempting to exploit similar vulnerabilities. Organizations should conduct regular security assessments and vulnerability scanning to identify and remediate similar issues in other applications within their infrastructure, as this type of vulnerability remains prevalent in legacy web applications.