CVE-2007-0252 in File Manager
Summary
by MITRE
Unspecified vulnerability in easy-content filemanager allows remote attackers to upload or modify arbitrary files via unspecified vectors.
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Analysis
by VulDB Data Team • 09/26/2017
The vulnerability identified as CVE-2007-0252 resides within the easy-content filemanager component, representing a critical security flaw that enables remote attackers to execute unauthorized file upload and modification operations. This unspecified vulnerability demonstrates a fundamental weakness in the filemanager's access control mechanisms and input validation processes, creating a pathway for malicious actors to compromise the affected system. The vulnerability's classification as unspecified indicates that the exact technical vectors remain undocumented, which paradoxically increases the severity by making defensive measures more challenging to implement effectively.
The technical flaw manifests through inadequate sanitization of user-supplied data and insufficient authorization checks during file operations. When users interact with the filemanager interface, the system fails to properly validate file types, sizes, or content, allowing attackers to bypass normal upload restrictions. This weakness creates a persistent risk where remote adversaries can manipulate the file system by uploading malicious files or modifying existing ones, potentially leading to complete system compromise. The vulnerability operates at the application layer, exploiting weaknesses in the web application's file handling capabilities rather than targeting underlying operating system components.
Operationally, this vulnerability presents significant impact potential for organizations utilizing the easy-content filemanager. Attackers exploiting this flaw could upload web shells, backdoors, or other malicious payloads that would provide persistent access to the compromised system. The ability to modify arbitrary files means that legitimate application components could be altered, leading to data corruption, service disruption, or complete system takeover. The remote nature of the exploit eliminates the need for physical access or local privileges, making it particularly dangerous for web-facing applications. Organizations with extensive file management requirements are especially vulnerable, as the attack surface expands with increased file handling capabilities.
Mitigation strategies must address both immediate remediation and long-term security enhancements. The most critical action involves applying vendor patches or upgrading to versions that address the unspecified vulnerability vectors. Organizations should implement strict file type validation and sanitize all user inputs to prevent malicious file uploads. Network segmentation and firewall rules can limit access to the filemanager functionality, reducing exposure. Additionally, implementing proper access controls, regular security audits, and monitoring for unauthorized file modifications can help detect exploitation attempts. The vulnerability aligns with CWE-434, which covers insecure file upload scenarios, and represents a potential entry point for ATT&CK technique T1195, specifically targeting the upload of malicious files for execution. Regular vulnerability assessments and security training for developers can help prevent similar issues in future implementations, emphasizing the importance of secure coding practices and comprehensive input validation mechanisms.