# RepusPing: MntcrlCTF 2026
4 min read
A nice exit function overwrite on the newest libc version.
Welcome to my blog! I’m David Hermes (Ub1k), a cybersecurity student at the University of Genoa and an active member of the pwnissa CTF group.
This site serves as a central repository for my technical research, detailed Capture The Flag (CTF) writeups, and deep dives into memory corruption techniques.
A nice exit function overwrite on the newest libc version.
The beloved exit function exploitation technique but this time in a separate post.
about the internal structure of jmp_buf, pointer mangling and how to exploit it.