CVE-2007-1771 in Web Content System
Summary
by MITRE
PHP remote file inclusion vulnerability in manage/javascript/formjavascript.php in Ay System Solutions Web Content System (WCS) 2.7.1 allows remote attackers to execute arbitrary PHP code via a URL in the path[JavascriptEdit] parameter.
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Analysis
by VulDB Data Team • 08/31/2024
The vulnerability described in CVE-2007-1771 represents a critical remote file inclusion flaw within the Ay System Solutions Web Content System version 2.7.1, specifically affecting the manage/javascript/formjavascript.php component. This vulnerability falls under the category of insecure direct object references and improper input validation, creating a pathway for remote attackers to execute arbitrary code on the affected system. The flaw manifests when the application fails to properly validate or sanitize user-supplied input parameters, particularly the path[JavascriptEdit] parameter that is processed within the javascript form management functionality.
The technical exploitation of this vulnerability occurs through manipulation of the path[JavascriptEdit] parameter which is used to determine the JavaScript file path for editing operations. When an attacker supplies a malicious URL as the value for this parameter, the application's inadequate input validation allows the remote file inclusion to proceed, enabling the execution of arbitrary PHP code on the server. This represents a classic remote code execution vulnerability that can be leveraged to gain complete control over the affected system. The vulnerability aligns with CWE-94, which describes the improper execution of code due to insufficient input validation, and specifically relates to the broader category of code injection attacks.
From an operational perspective, this vulnerability poses severe risks to organizations using the affected Web Content System version. Attackers can leverage this flaw to upload malicious files, execute commands on the server, access sensitive data, and potentially establish persistent backdoors within the system. The impact extends beyond immediate code execution to include data breaches, system compromise, and potential lateral movement within the network. The vulnerability's remote nature means that attackers do not require local access or credentials to exploit it, making it particularly dangerous for publicly accessible web applications. This flaw aligns with ATT&CK technique T1190, which covers the exploitation of remote services, and T1059, which involves the execution of code through various methods including remote file inclusion.
Mitigation strategies for this vulnerability should include immediate patching of the affected Ay System Solutions Web Content System to the latest available version that addresses this specific flaw. Organizations should implement input validation and sanitization measures to ensure all user-supplied parameters are properly validated before being processed. The principle of least privilege should be enforced by restricting the application's ability to include external files, and the system should be configured to disable remote file inclusion features. Network-level protections such as web application firewalls and intrusion detection systems can help detect and prevent exploitation attempts. Additionally, regular security assessments and code reviews should be conducted to identify similar vulnerabilities in other components of the web application stack, ensuring comprehensive protection against similar remote file inclusion attacks that could compromise system integrity and data confidentiality.