MetInfo CMS is an open-source content management system designed for building enterprise-level websites using PHP and MySQL. It is widely used by companies and individuals to create and manage web content efficiently. The platform allows for seamless customization, enabling users to easily design their website features per their business needs. MetInfo CMS is popular for its user-friendly interface and robust functionalities that support various web hosting environments. Admins often rely on it for its scalable solutions to manage websites of all sizes. Additionally, its open-source nature allows for continuous community-driven improvements, thereby enhancing its features and security.
SQL Injection (SQLi) is a prominent web security vulnerability that allows an attacker to interfere with the queries an application makes to its database. The vulnerability could allow attackers to view data that they are not normally able to retrieve. For example, this might include data belonging to other users, or any other data that the application itself is able to access. In cases where SQL injection is successful, attackers might alter database data, execute administration operations, or interact with the operating system in certain configurations. This vulnerability is one of the biggest threats to databases and needs immediate attention and resolution to prevent data breaches.
The SQL injection vulnerability in MetInfo CMS version 5.3.12 exists in the member/login.php endpoint, where the application fails to properly sanitize user input. Attackers can craft specially formatted input strings that alter the execution of SQL commands. By injecting SQL into the backend database query, one can manipulate the behavior of the application. Using union-based injection, attackers can combine results from multiple SELECT statements into a single result, facilitating unauthorized data access. This vulnerability primarily results from the improper handling of user-supplied data by the database interface.
When exploited, SQL injection vulnerabilities could result in unauthorized viewing of data, such as passwords, credit card details, or other sensitive information. Attackers may also delete data or escalate their privileges within the application environment. Additionally, successful SQL injection can lead to compromise of the server hosting the application if administrative operations are executed via the database interface. Organizations can face severe reputational damage and potential financial losses if sensitive data is exposed. Furthermore, regulatory penalties might be incurred if the data breach violates data protection laws.
REFERENCES
- Upgrade to the latest version or apply the security patch from the official website: https://www.mituo.cn/
- Use prepared statements and parameterized interfaces to prevent SQL injection.
- Escape or encode special characters to thwart potential injection attempts.
- Strictly validate and sanitize all user inputs to the application.
- Suppress SQL error messages in user-facing parts of the application to reduce information leakage.
- Minimize user permissions to restrict database access to necessary levels only.
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