35c3ctf: Collection - an Unintended Solution!

from blog David Buchanan's Blog, | ↗ original
By David Buchanan, 30th December 2018 The challenge provided the following files: dist/ dist/server.py dist/Collection.cpython-36m-x86_64-linux-gnu.so dist/test.py dist/python3.6 dist/libc-2.27.so server.py is a python script which accepts some user input. It also opens the flag for you and uses dup2 to duplicate the file descriptor to fd 1023. Then, it executes your input with the provided...