What are the potential security risks of executing apt-get commands with PHP through a web browser?

Executing apt-get commands with PHP through a web browser can pose significant security risks, as it grants potential attackers the ability to run arbitrary commands on the server. To mitigate this risk, it is recommended to use a whitelist of allowed commands and sanitize user input to prevent command injection attacks. 

$allowed_commands = array('apt-get update', 'apt-get upgrade');

$command = $_POST['command'];

if (in_array($command, $allowed_commands)) {
    $output = shell_exec($command);
    echo $output;
} else {
    echo "Invalid command";
}

Keywords

PHP apt-get commands security risks web browser execution vulnerability

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