CVE-2018-18530: ThinkPHP SQLi Vulnerability
Summary
CVE-2018-18530: ThinkPHP SQLi Vulnerability. Affects topthink/framework versions < 5.1.25. No fix is published. How to fix ↓
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Background
ThinkPHP is a popular PHP framework used for developing web applications. It provides a range of features and functionalities to simplify the development process. However, ThinkPHP version 5.1.25 is vulnerable to a SQL Injection attack. This vulnerability occurs due to mishandling of the aggregate variable in the library/think/db/Query.php file. An attacker can exploit this vulnerability by manipulating the 'count' parameter in the attack URI. It is important to note that the attack URI requires a backquote character for successful exploitation.
Vulnerability Detail
The SQL Injection vulnerability in ThinkPHP 5.1.25 allows an attacker to execute arbitrary SQL queries, potentially leading to unauthorized access, data leakage, or data manipulation. By injecting malicious SQL code through the 'count' parameter, an attacker can bypass input validation and gain unauthorized access to the database. This can result in the exposure of sensitive information, such as user credentials, personal data, or other confidential data stored in the database. The severity of this vulnerability is rated as CRITICAL with a CVSS score of 9.8.
How To Fix
No fixed version is published for this vulnerability.
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Workaround
If upgrading to a patched version is not immediately feasible, a temporary workaround can be implemented by adding input validation and sanitization measures to the affected code. By properly validating and sanitizing user input, the risk of SQL Injection can be mitigated. Here is an example of how to implement input validation in PHP:
$param = $_GET['count'];
// Validate and sanitize the input
if (!is_numeric($param)) {
// Handle the error
exit('Invalid input');
}
// Use the sanitized input in the query
$query = "SELECT * FROM table WHERE count = " . $param;
Conclusion
The ThinkPHP SQL Injection vulnerability in version 5.1.25 can lead to unauthorized access, data leakage, and data manipulation. It is crucial to upgrade to a patched version of ThinkPHP or implement input validation and sanitization measures to mitigate the risk. For further support on vulnerability remediation, you can contact DevNack.com.
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FAQ
ThinkPHP is a PHP framework used for developing web applications. It provides a range of features and functionalities to simplify the development process.
SQL Injection is a type of web application vulnerability where an attacker can manipulate input parameters to execute arbitrary SQL queries. This can lead to unauthorized access, data leakage, or data manipulation.
The ThinkPHP SQL Injection vulnerability occurs due to mishandling of the aggregate variable in the library/think/db/Query.php file. An attacker can exploit this vulnerability by manipulating the 'count' parameter in the attack URI.
The potential consequences of this vulnerability include unauthorized access to the database, data leakage, and data manipulation. An attacker can execute arbitrary SQL queries, potentially exposing sensitive information stored in the database.
To mitigate the risk of this vulnerability, it is recommended to upgrade to a patched version of ThinkPHP beyond 5.1.25. Additionally, implementing input validation and parameterized queries can help prevent SQL Injection attacks.
References
Related vulnerabilities
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