Described in the CTF game found Python deserialization BUG vulnerability flaws-vulnerability warning-the black bar safety net

In the first few days, I had the privilege to join the ToorConCTF（https://twitter.com/toorconctf in addition this event the process of my first time in Python in the invention the sequence of the flaws. In our competition process, there are two provocative touch to be able to perhaps receive the...