Created
December 12, 2019 00:06
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Medium Command Injection Source
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<?php | |
if( isset( $_POST[ 'Submit' ] ) ) { | |
// Get input | |
$target = $_REQUEST[ 'ip' ]; | |
// Set blacklist | |
$substitutions = array( | |
'&&' => '', | |
';' => '', | |
); | |
// Remove any of the charactars in the array (blacklist). | |
$target = str_replace( array_keys( $substitutions ), $substitutions, $target ); | |
// Determine OS and execute the ping command. | |
if( stristr( php_uname( 's' ), 'Windows NT' ) ) { | |
// Windows | |
$cmd = shell_exec( 'ping ' . $target ); | |
} | |
else { | |
// *nix | |
$cmd = shell_exec( 'ping -c 4 ' . $target ); | |
} | |
// Feedback for the end user | |
echo "<pre>{$cmd}</pre>"; | |
} | |
?> |
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