Buffer overflow vulnerability of network security module B in national vocational college skills competition

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Title Description

B-9 Task nine ： out of buffer
* Mission statement ： Only available Server9 Of IP Address ,Server9 FTP Service user name ：admin, password ：123456
1. From the target server scenario FTP Download files from the server BO1.py, Edit this Python Program files , Make the program realize Server9 The function of buffer overflow penetration test , Fill in the blanks in this document F1 character string , Take this string as Flag Value submission ;
2. Continue editing named BO1.py Of Python Program files , Make the program realize Server9 The function of buffer overflow penetration test , Fill in the blanks in this document F2 character string , Take this string as Flag Value submission ;
3. Continue editing named BO1.py Of Python Program files , Make the program realize Server9 The function of buffer overflow penetration test , Fill in the blanks in this document F3 character string , Take this string as Flag Value submission ;
4. Continue editing named BO1.py Of Python Program files , Make the program realize Server9 The function of buffer overflow penetration test , Fill in the blanks in this document F4 character string , Take this string as Flag Value submission ;
5. Continue editing named BO1.py Of Python Program files , Make the program realize Server9 The function of buffer overflow penetration test , Find... After successful penetration Server9 Documents in the recycle bin , Use document content as Flag Value submission .