CVE-2007-4715 in Weblogicnet
Summary
by MITRE
Multiple PHP remote file inclusion vulnerabilities in Weblogicnet allow remote attackers to execute arbitrary PHP code via a URL in the files_dir parameter in (1) es_desp.php, (2) es_custom_menu.php, and (3) es_offer.php.
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Analysis
by VulDB Data Team • 10/03/2024
The vulnerability described in CVE-2007-4715 represents a critical remote file inclusion flaw affecting Weblogicnet applications that leverages PHP's dynamic include functionality to execute arbitrary code. This vulnerability resides in the handling of user-supplied input within the files_dir parameter across three specific PHP scripts, creating multiple attack vectors for malicious actors to compromise affected systems. The flaw operates by accepting a URL parameter that gets directly incorporated into a PHP include statement without proper validation or sanitization, enabling attackers to reference remote malicious files that get executed on the target server.
This vulnerability directly maps to CWE-88, which describes improper neutralization of special elements used in an expression, specifically the lack of input validation for file inclusion parameters. The attack pattern aligns with ATT&CK technique T1190, known as "Exploit Public-Facing Application," where adversaries target web applications to gain unauthorized access and execute malicious code. The vulnerability's impact is severe as it allows remote code execution, potentially enabling attackers to establish persistent access, escalate privileges, or deploy additional malware on the compromised system.
The operational impact of this vulnerability extends beyond simple code execution, as it can enable attackers to manipulate the entire web application environment. When attackers successfully exploit these three affected files - es_desp.php, es_custom_menu.php, and es_offer.php - they gain the ability to inject malicious PHP code that executes with the privileges of the web server process. This creates a persistent backdoor capability and allows for data exfiltration, system reconnaissance, and potential lateral movement within the network infrastructure. The vulnerability affects the application's integrity and availability, as malicious actors can modify application behavior or cause service disruption through the execution of unauthorized code.
Mitigation strategies for CVE-2007-4715 should focus on implementing strict input validation and sanitization for all user-supplied parameters, particularly those used in file inclusion operations. Organizations should immediately patch the affected Weblogicnet application to prevent exploitation, while implementing proper parameter validation to ensure that only legitimate file paths are accepted. The use of allow_url_include and allow_url_fopen directives should be disabled in php.ini configurations to prevent remote file inclusion attacks. Additionally, network segmentation and web application firewalls should be deployed to monitor and restrict access to vulnerable endpoints, while regular security assessments should be conducted to identify similar vulnerabilities in other web applications. The implementation of input validation frameworks and secure coding practices can prevent similar issues from occurring in future development cycles, aligning with industry standards for secure software development and reducing the attack surface for remote code execution vulnerabilities.