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In the following web login system, Client 18765abc Joe, 12345 Sign In Server succeed Web App Logic SELECT * FROM User_info WHERE UserName = 'Joe' AND Pwd = '12345' User_info: UserName Bob Alice Joe Joe | 12345 Pwd 76ddk8 6754gh 12345 Assuming that the application logis uses the following sql statement: SELECT * FROM User_info WHERE UserName = 'username' AND Pwd = 'password' Where username is the user provided username; password is the user provided password. Please, describe how an attacker can use sql injection to bypass the login authentication procedure. Please, write down the sql injection payload in the following text box.

In the following web login system, Client 18765abc Joe, 12345 Sign In Server succeed Web App Logic SELECT * FROM User_info WHERE UserName = 'Joe' AND Pwd = '12345' User_info: UserName Bob Alice Joe Joe | 12345 Pwd 76ddk8 6754gh 12345 Assuming that the application logis uses the following sql statement: SELECT * FROM User_info WHERE UserName = 'username' AND Pwd = 'password' Where username is the user provided username; password is the user provided password. Please, describe how an attacker can use sql injection to bypass the login authentication procedure. Please, write down the sql injection payload in the following text box.

Computer Networking: A Top-Down Approach (7th Edition)
Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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q2 In the following web login system, Client Joe 18765abc Joe, 12345 - Sign In Server succeed Web App Logic SELECT FROM User_info WHERE UserName = 'Joe' AND Pwd = '12345' User_info: Assuming that the application logis uses the following sql statement: SELECT * FROM User_info UserName Bob Alice Joe Joe | 12345 Pwd 76ddk8 6754gh 12345 WHERE UserName = 'username' AND Pwd = 'password' Where username is the user provided username; password is the user provided password. Please, describe how an attacker can use sql injection to bypass the login authentication procedure. Please, write down the sql injection payload in the following text box.
Transcribed Image Text:q2 In the following web login system, Client Joe 18765abc Joe, 12345 - Sign In Server succeed Web App Logic SELECT FROM User_info WHERE UserName = 'Joe' AND Pwd = '12345' User_info: Assuming that the application logis uses the following sql statement: SELECT * FROM User_info UserName Bob Alice Joe Joe | 12345 Pwd 76ddk8 6754gh 12345 WHERE UserName = 'username' AND Pwd = 'password' Where username is the user provided username; password is the user provided password. Please, describe how an attacker can use sql injection to bypass the login authentication procedure. Please, write down the sql injection payload in the following text box.
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