In this series of Magento 2 security, we will discuss many of the attacks but in this blog, we will focus on SQL injection and how we can secure our store against it.
However, the Magento platform is one of the most used e-commerce platforms around the world. More than 2,60,000 merchants work on Magento globally and is used by more than 52 million customers.
This popularity brings the attention of attackers worldwide, which means attacks on magento2 stores are common.
SQL Injection:
SQL injection is a web application-based vulnerability that allows attackers to interact with databases with specially crafted queries, through which attackers can access data that normal users can not.
A successful SQL injection attack on the Magento 2 store can result in unauthorized access to sensitive data of other users like passwords, banking details, or personally identifiable information.
In some cases, attackers can:
- Makes parament changes in the database.
- Delete/manipulate the entire database
- Steal user information, and leak admin credentials.
- Obtain a reverse shell or a persistent backdoor into a store’s server.
Please refer to the blog for further information about Injection flaws.
How to secure your magento2 store against SQL injection
1. Use prepared statements and parameterized queries
These are SQL statements that are sent to and parsed by the database server separately from any parameters.
First, the application creates the SQL command and sends it to the DBMS leaving parameters (user-supplied values) behind, then the DBMS compiles the SQL command and stores the result without executing it.
Later on, the application supplies values for the parameters, and the DBMS executes the statement.
2. Escaping All User-Supplied Input
Always consider user-supplied data malicious, and use input validation such as the mysql_real_escape_string() function to ensure that any evil characters like ‘, ”, are not passed to any SQL query.
3. Limit Privileges
Always make sure that data at rest is encrypted using strong algorithms so that even if the Data gets compromised it is of no use without keys or the attackers need brute force to get information.
Use the least privilege principle for statements like Delete, Drop, Update, etc.
Although it’s not possible for every store owner to check against SQL vulnerabilities in their store, in such conditions Webkul can help in the detection and in mitigation of vulnerabilities in the Magento 2 store through its basic security module which can also be customized.
To safeguard your Magento 2 store from other attacks like malicious file upload or brute force visit our store and check out our Security Extension Suite for Magento 2 module for more details, which is effective in blocking malicious users and in notifying admins for suspected login attempts.
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