CVE-2006-4083 in myEvent
Summary
by MITRE
PHP remote file inclusion vulnerability in viewevent.php in myWebland myEvent 1.x allows remote attackers to execute arbitrary PHP code via a URL in the myevent_path parameter, a different vector than CVE-2006-4040. NOTE: the provenance of this information is unknown; the details are obtained from third party information.
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Analysis
by VulDB Data Team • 08/02/2018
The vulnerability described in CVE-2006-4083 represents a critical remote file inclusion flaw in the myWebland myEvent 1.x web application. This security weakness specifically affects the viewevent.php script and demonstrates a classic remote code execution vulnerability that has been documented in numerous web application security assessments. The vulnerability arises from improper input validation and sanitization of user-supplied parameters, creating an attack surface that allows malicious actors to inject arbitrary PHP code into the application's execution flow. The issue is particularly concerning because it enables attackers to execute code on the target server with the privileges of the web application, potentially leading to complete system compromise.
The technical implementation of this vulnerability occurs through the myevent_path parameter within the viewevent.php script, which accepts URL inputs without adequate validation or sanitization. When an attacker supplies a malicious URL through this parameter, the application processes the input and attempts to include the remote file, effectively executing any PHP code contained within it. This behavior aligns with CWE-98, which describes improper file inclusion vulnerabilities, and represents a variant of the broader remote file inclusion category that has been extensively documented in web application security literature. The attack vector differs from CVE-2006-4040, indicating that this represents a separate but related vulnerability within the same application ecosystem, highlighting the complexity of securing web applications against multiple attack surfaces.
The operational impact of this vulnerability extends beyond simple code execution to encompass potential data breaches, system compromise, and unauthorized access to sensitive information. Attackers can leverage this flaw to upload backdoors, steal database credentials, modify application behavior, or establish persistent access to the compromised server. The vulnerability affects the confidentiality, integrity, and availability of the web application and underlying system resources, as demonstrated by the ATT&CK framework's initial access and execution tactics. Organizations running affected versions of myWebland myEvent 1.x face significant risk of unauthorized access, data exfiltration, and potential lateral movement within their network infrastructure, making this vulnerability particularly dangerous in enterprise environments.
Mitigation strategies for this vulnerability should prioritize immediate patching of the affected application to address the root cause of the insecure file inclusion mechanism. Organizations should implement proper input validation and sanitization procedures, particularly for parameters that control file inclusion operations, as recommended by the OWASP Top Ten and other industry security standards. The implementation of a whitelist approach for file inclusion parameters, combined with proper URL validation and the use of secure coding practices, can effectively prevent exploitation of similar vulnerabilities. Additionally, network-level protections such as web application firewalls and intrusion detection systems should be deployed to monitor for suspicious file inclusion attempts, while regular security assessments and code reviews should be conducted to identify and remediate similar vulnerabilities in other application components. The vulnerability underscores the importance of secure coding practices and proper input validation in preventing remote code execution attacks that can lead to complete system compromise.