Tags: bof linux exploitation 

Rating:

**tl;dr**

+ Carefully arranging structs on stack so as to overwrite saved rip , without corrupting the stack canary.
+ Leak libc with puts and execute a ret2libc to get shell

Link to the full writeup: [here](https://blog.bi0s.in/2020/09/15/Pwn/CSAWQuals20-Bard/)

Original writeup (https://blog.bi0s.in/2020/09/15/Pwn/CSAWQuals20-Bard/).