AND LENGTH(database())=5 -- - AND SUBSTRING(database(),1,1)='m' -- -
Restrict network access by binding MySQL only to necessary interfaces and .
If the database user has high permissions, they can read files on the main computer. The command LOAD_FILE() can bring secret system files onto the screen. Staying Safe and Securing MySQL
Before we dive into the hacktricks, it's essential to understand the basics of MySQL security. MySQL, like any other database management system, has its own set of security features and vulnerabilities. Here are some key concepts to keep in mind:
: Using user-defined functions (UDF) to run commands with the privileges of the MySQL user. mysql hacktricks verified
Start with a network sweep:
SELECT '' INTO OUTFILE '/var/www/html/shell.php'; Use code with caution. Overcoming secure_file_priv
concat('a','b') -- Returns "ab" only in MySQL database() version() user() system_user() @@version @@datadir
Gather database versions, current users, and the host operating system context: SELECT @@version; SELECT user(); SELECT current_user(); Use code with caution. Privileges and Users Staying Safe and Securing MySQL Before we dive
mysql-vuln-cve2012-2122 : Checks for the infamous password authentication bypass vulnerability. 2. Authentication Attacks and Bypasses
Convert a UDF exploit payload (like lib_mysqludf_sys.so ) into hex format, write it to the plugin directory using SELECT ... INTO DUMPFILE , and map the function:
Searching for sensitive data like API keys or personal information. Checking for cleartext credentials in configuration files.
mysql-empty-password : Checks for the root account or common accounts configured without a password. Start with a network sweep: SELECT ' '
Here are some popular tools for MySQL exploitation:
HackTricks highlights the following valuable functions:
Harden the server by removing anonymous accounts and the default "test" database. 3306 - Pentesting Mysql - HackTricks