CVE-2005-4622 in eFileGo
Summary
by MITRE
Directory traversal vulnerability in eFileGo 3.01 allows remote attackers to execute arbitrary code, read arbitrary files, and upload arbitrary files via a ... (triple dot) in (1) the URL on port 608 and (2) the argument to upload.exe.
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Analysis
by VulDB Data Team • 07/16/2018
The vulnerability described in CVE-2005-4622 represents a critical directory traversal flaw within eFileGo 3.01 software that operates on port 608. This directory traversal vulnerability stems from inadequate input validation mechanisms within the application's handling of file operations and URL parsing. The flaw exists in how the system processes user-supplied input, particularly when processing requests through the upload.exe executable and direct URL access to the file management interface. Attackers can exploit this weakness by crafting malicious input that manipulates the application's file system access routines to navigate beyond intended directories.
The technical implementation of this vulnerability allows attackers to perform multiple malicious activities through a single exploitation vector. When an attacker sends a specially crafted URL to port 608 or provides manipulated arguments to upload.exe, the application fails to properly sanitize the input before processing file operations. This inadequate sanitization enables attackers to traverse directory structures using sequences such as "../" or similar path manipulation techniques. The vulnerability specifically affects the application's handling of file upload operations and file reading capabilities, creating opportunities for arbitrary code execution, unauthorized file access, and potentially complete system compromise.
The operational impact of this vulnerability extends far beyond simple data theft, as it provides attackers with complete control over the affected system's file operations. Through directory traversal attacks, malicious actors can read sensitive system files, execute arbitrary code on the target machine, and upload malicious files to establish persistent access. The vulnerability affects both the web interface accessible through port 608 and the dedicated upload.exe utility, creating multiple attack surfaces for exploitation. This dual exposure increases the attack surface and makes the vulnerability more difficult to fully mitigate, as administrators must secure both the network interface and the executable components. The vulnerability also aligns with CWE-22, which specifically addresses directory traversal flaws, and can be mapped to ATT&CK technique T1059 for remote code execution and T1074 for data access through file system manipulation.
Mitigation strategies for this vulnerability require immediate attention from system administrators and security teams. The primary recommendation involves implementing comprehensive input validation and sanitization mechanisms that prevent directory traversal sequences from being processed by the application. All user-supplied input should be rigorously validated against a whitelist of acceptable characters and patterns, with special attention to path traversal sequences. The application should be updated to a patched version that properly handles file system operations and implements secure coding practices to prevent unauthorized directory access. Network-level protections including firewall rules that restrict access to port 608 and the upload.exe utility should be implemented, along with regular security audits to ensure that no other similar vulnerabilities exist within the system. Additionally, system administrators should implement proper access controls and monitoring to detect and prevent unauthorized file operations that could indicate exploitation attempts.