Array VPN Arbitrary File Read Scanner

Array VPN is typically used by businesses and organizations to provide secure remote access to their internal networks. It is it deployed across various industries to ensure secure communication and protect sensitive data transmitted over the internet. Users typically include IT professionals tasked with managing network security and ensuring the integrity of data access. Array VPN facilitates encrypted connections that protect against unauthorized interception by external parties. It is integrated into corporate infrastructures, providing a reliable and secure connection for mobile and remote workers. Overall, Array VPN is essential for organizations requiring stringent access controls and encryption for their remote access solutions.

The Local File Inclusion (LFI) vulnerability detected in Array VPN allows potential attackers to include files on a server through the web browser. This vulnerability can lead to unauthorized access and the retrieval of sensitive files from the affected system. Attackers may exploit LFI vulnerabilities to execute arbitrary files that are otherwise restricted and gain insights into the server's configuration or system files. By manipulating file paths, malicious actors aim to navigate the server directory and read or sometimes execute files, which could compromise the server’s functionality and data integrity. The vulnerability poses a high risk because it can serve as a foothold for further exploits such as remote code execution if not addressed promptly. It's crucial for systems using Array VPN to understand and mitigate the risks associated with this vulnerability to maintain system security.

Technically, this Local File Inclusion (LFI) vulnerability in Array VPN is exploited by manipulating input parameters that are used in file operations. An attacker can craft requests that contain paths leading to sensitive files, bypassing input validations meant to restrict access to specific directories. The specially crafted HTTP requests target endpoints handling file paths or template inclusions without proper sanitization. In practice, an attacker uses path traversal sequences, such as '../../../../etc/passwd', to reveal restricted files outside of the web root directory. The affected endpoints may not properly distinguish between valid and exploitative requests, allowing the attacker’s input to dictate the file inclusion operation. Proper handling of such requests is crucial as it prevents the server from exposing or executing sensitive internal resources. Developers must implement thorough validation and sanitization checks to protect against these types of file inclusion exploits.

When this vulnerability is exploited, it may cause unauthorized data exposure, leading to potential data breaches. Attackers can gain access to sensitive files on the server, such as configuration files or user credentials, which may further compromise the network's security. In severe cases, LFI vulnerabilities can serve as entry points to execute arbitrary or malicious scripts, granting attackers control over the server's operations. This may result in data tampering, service disruption, or unauthorized access to critical parts of the organization's network. Additionally, successful exploitation may allow attackers to escalate their privileges within the system, causing further damage and impacting business continuity. Therefore, addressing LFI vulnerabilities is critical to preventing unauthorized intrusions and protecting sensitive organizational assets.

REFERENCES

• https://github.com/wy876/POC/blob/main/Array%20VPN%E4%BB%BB%E6%84%8F%E6%96%87%E4%BB%B6%E8%AF%BB%E5%8F%96%E6%BC%8F%E6%B4%9E.md