Tianrongxin WEB Application Security Gateway Arbitrary File Download Scanner

Tianrongxin WEB Application Security Gateway is a security solution specifically designed for web-based servers. It is widely used by businesses and organizations to safeguard their web applications from various cyber threats. This gateway product acts as a protective shield, ensuring the integrity, confidentiality, and availability of web services. The system provides a comprehensive suite of features including intrusion detection and prevention, data encryption, and threat analysis. With its industrial-grade capabilities, it is particularly favored in sectors where robust security measures are paramount. Tianrongxin is recognized for offering customized security solutions to meet the specific needs of enterprises.

An Arbitrary File Download vulnerability exists when a system allows attackers to download files that should not be accessible. This type of vulnerability exposes sensitive data and can lead to significant security breaches. It usually occurs due to improper access control mechanisms, thereby allowing unauthorized access to files. Attackers can exploit this vulnerability to access database files, configuration files, or other sensitive information stored on the server. Such vulnerabilities are critical as they provide adversaries a foothold into the network. The severity of the impact depends largely on the sensitivity of the downloaded files.

The technical specifics of this vulnerability arise from the lack of sufficient input validation in the file access mechanisms. The endpoint "{{BaseURL}}/db/audit.db" is vulnerable, allowing unauthorized users to access the audit.db file. This endpoint does not verify user permissions properly before serving the file, leading to the exposure of sensitive system information. Furthermore, the use of GET method without proper authorization checks makes the system prone to exploitation. Attackers can leverage this flaw to retrieve the "audit.db" file, which contains critical system logs and potentially sensitive user data. The presence of "SQLite" in the response body confirms the successful download of the database file.

Exploiting this vulnerability may lead to serious consequences including unauthorized disclosure of system information. Malicious actors could gain insights into the internal workings of the gateway system, enabling them to orchestrate more sophisticated attacks. Extracted information might assist in launching secondary attacks such as SQL Injection or Remote Code Execution. The exposure of audit logs may reveal sensitive operational data, user activities, and potential weaknesses in the security posture. Furthermore, it compromises user privacy and could result in data breaches affecting compliance with legal regulations.