Impact Analysis

This vulnerability allows attackers to execute arbitrary SQL queries on the database without authentication. As a result, attackers can bypass login authentication, gaining unauthorized access to the system.

Additionally, attackers can extract sensitive information such as usernames, passwords, and system credentials from the database, potentially leading to further compromise of the system and data breaches.

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Compliance Impact

I don't know

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Executive Summary

[{'type': 'paragraph', 'content': "The vulnerability in Net-Billetterie 2.9 is an SQL injection flaw located in the login parameter of the login.inc.php script. It occurs because user input from the 'login' POST parameter is directly embedded into an SQL query without proper sanitization or parameterization. This allows unauthenticated attackers to inject arbitrary SQL code."}, {'type': 'paragraph', 'content': "Specifically, the application constructs an SQL query using the 'login' and 'pass' POST parameters, hashing the password with MD5, but fails to sanitize the 'login' input. This enables attackers to manipulate the SQL query to bypass authentication or extract sensitive information from the database."}] [1]

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Detection Guidance

[{'type': 'paragraph', 'content': "This SQL injection vulnerability can be detected by testing the 'login' POST parameter of the login.inc.php script for unsanitized input handling."}, {'type': 'paragraph', 'content': "One way to detect it is by sending specially crafted SQL injection payloads in the 'login' parameter and observing if the application returns database errors or unexpected data."}, {'type': 'paragraph', 'content': 'For example, you can use curl to send a POST request with an injection payload like:'}, {'type': 'list_item', 'content': 'curl -X POST -d "login=\' OR \'1\'=\'1" -d "pass=anything" http://target-site/login.inc.php'}, {'type': 'paragraph', 'content': 'If the response indicates successful login or reveals database information, the vulnerability is present.'}, {'type': 'paragraph', 'content': 'Additionally, automated SQL injection detection tools such as sqlmap can be used to test the login parameter:'}, {'type': 'list_item', 'content': 'sqlmap -u "http://target-site/login.inc.php" --data="login=admin&pass=admin" -p login --batch'}] [1]

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Mitigation Strategies

[{'type': 'paragraph', 'content': "Immediate mitigation steps include sanitizing and parameterizing all user inputs, especially the 'login' POST parameter in login.inc.php."}, {'type': 'paragraph', 'content': 'Specifically, avoid directly embedding user input into SQL queries. Use prepared statements or parameterized queries instead of deprecated mysql_query functions.'}, {'type': 'paragraph', 'content': 'Additionally, consider updating or patching the application to a version that fixes this vulnerability if available.'}, {'type': 'paragraph', 'content': 'As a temporary measure, restrict access to the login page or implement Web Application Firewall (WAF) rules to block common SQL injection payloads.'}] [1]

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