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What's your favorite color? Would you like to share with me? Run the command: ssh [email protected] -p 1001 (pw: guest) to tell me!
Hmm ... I always get that: Enter your favorite color: Me too! That's my favorite color too! You get a shell! Flag is in flag.txt Segmentation fault (core dumped) It seems the process does not have enough privilege to call system() and a shell is not spawned. That is why it goes to the normal path and crashes with segfault when the stack is restored. You might want to revisit the permissions on the guest user.
scarfaace
How is it possible to get out of
good &= buf[i] ^ buf[i];anything else than 0? XOR of 2 same characters is always 0 and 0 XOR 0 is always 0.StefanCicos
That is the point. You can't so you have to bypass the check
Disasm
Hmm ... I always get that: Enter your favorite color: Me too! That's my favorite color too! You get a shell! Flag is in flag.txt Segmentation fault (core dumped) It seems the process does not have enough privilege to call system() and a shell is not spawned. That is why it goes to the normal path and crashes with segfault when the stack is restored. You might want to revisit the permissions on the guest user.
Kuber19
I have got the same problem :/
momo1
I got the same output, And it took me way too long to overcome this error, but it is not a problem with the CTF. it is possible to get a shell. if you get this error, you missed something.
elliot_pwn
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elliot_pwn
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camus_
took time but great learning expericence
AntonioCaesar
why i can't type the password? it's bug or feature?
thekidofarcrania
where are you trying to type the password?
AntonioCaesar
i'm just run that command
AntonioCaesar
i'm just run that command
thekidofarcrania
Oh... I think you can type the password but it just doesn't show up, but it's still there