드림핵 포너블 도서관 pwn

[*] Welcome to library!

1. borrow book

2. read book

3. return book

4. exit library

[+] Select menu : 1

[*] Welcome to borrow book menu!

1. theori theory

2. dreamhack theory

3. einstein theory

[+] what book do you want to borrow? : 1

book create complete!

1. borrow book

2. read book

3. return book

4. exit library

[+] Select menu : 3

[*] Welcome to return book menu!

[*] lastest book returned!

1. borrow book

2. read book

3. return book

4. exit library

[+] Select menu : (gpddmdmd)

[*] Welcome to steal book menu!

[!] caution. it is illegal!

[+] whatever, where is the book? : /home/pwnlibrary/flag.txt

[*] how many pages?(MAX 400) : (yummy)

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[*] (Siren rangs) (Siren rangs)

[*] Oops.. cops take your book..

1. borrow book

2. read book

3. return book

4. exit library

[+] Select menu : 2

[*] Welcome to read book menu!

0 : -----returned-----

[+] what book do you want to read? : 0

[*] book contents below [*]

DH{--------flag-----------}