App - Script

I got this message "Well done ! You can validate with this password !" by my input. But I can not submit flag. Please help me!

This is my method:

Hi

I also had the same problem (and the same idea) first. But the description says "Get the password in the file .passwd by exploiting the vulnerability of this script". So you have to trick the script to really output the contents of the file .passwd.

hth

OMG, i love your hint, eventhough it didn’t relate to the result. It just shows out method.  😉  😉  😉

Big spoil. I close