SQL Injection Vulnerability in CodeIgniter Framework
Summary
GHSA-27qr-636m-wxg2: codeigniter/framework SQL injection in ODBC database driver. Affects codeigniter/framework versions < 3.1.0. Fixed in 3.1.0. How to fix ↓
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Background
CodeIgniter is a popular PHP framework known for its simplicity and lightweight nature. It provides a set of libraries and helpers that assist in building web applications quickly. The framework includes various database drivers, including ODBC, which allows developers to connect to different database systems. However, CodeIgniter versions prior to 3.1.0 were vulnerable to a critical SQL injection issue in the ODBC database driver.
Vulnerability Detail
The SQL injection vulnerability in the ODBC database driver of CodeIgniter versions prior to 3.1.0 allowed attackers to execute arbitrary SQL queries, potentially leading to unauthorized access, data manipulation, or even complete compromise of the application and underlying database. This vulnerability could be exploited by injecting malicious SQL code into user-supplied input, such as form fields or URL parameters. The update to version 3.1.0 introduced fixes that mitigate this vulnerability by implementing actual query binding as a more secure alternative to the query builder and escape() functions.
How To Fix
Minimum fixed version
3.1.0
This is the first release that contains the fix.
composer require codeigniter/framework:3.1.0Tip — Not sure which version your app runs? Vulert can match this fix to it. Scan free →
Workaround
There is no specific workaround mentioned for this vulnerability. However, developers can mitigate the risk by ensuring that user input is properly validated, sanitized, and escaped before being used in SQL queries. It is recommended to use query binding or parameterized queries instead of directly concatenating user input into SQL statements.
Conclusion
The SQL injection vulnerability in the ODBC database driver of CodeIgniter versions prior to 3.1.0 poses a significant risk to the security and integrity of web applications. It is crucial for developers to upgrade their framework to the latest version and implement secure coding practices to prevent exploitation. For further support on vulnerability remediation, you can reach out to DevNack.com.
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FAQ
CodeIgniter is a PHP framework that provides a lightweight and efficient way to build web applications. It includes various libraries and helpers for common tasks, making development faster and easier.
ODBC (Open Database Connectivity) is a standard API for connecting to different database systems. The ODBC database driver in CodeIgniter allows developers to connect to databases using the ODBC protocol.
The SQL injection vulnerability in CodeIgniter occurs when user-supplied input is not properly validated, sanitized, or escaped before being used in SQL queries. Attackers can exploit this by injecting malicious SQL code into the input, leading to unauthorized access or manipulation of the database.
The potential consequences of this vulnerability include unauthorized access to sensitive data, data manipulation or deletion, and even complete compromise of the application and underlying database. Attackers can execute arbitrary SQL queries, potentially impacting the confidentiality, integrity, and availability of the system.
To protect your CodeIgniter application from this vulnerability, make sure to upgrade to version 3.1.0 or later. Additionally, validate, sanitize, and escape all user input before using it in SQL queries. It is recommended to use query binding or parameterized queries instead of directly concatenating user input into SQL statements.
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