Buffer overflow on a modern system impossible? stack0: part 1 - bin 0x21

We have a look at stack level 0 from exploit-exercises.com/Protostar and compile it on a current Ubuntu, to see if it's still exploitable. stack0: https://liveoverflow.com/binary_hacking/protostar/stack0.html digitalocean referral:* https://m.do.co/c/826f195e2288 -=[ ❤️ Support ]=- → per Video: https://www.patreon.com/join/liveoverflow → per Month: https://www.youtube.com/channel/UClcE-kVhqyiHCcjYwcpfj9w/join -=[ 🐕 Social ]=- → Twitter: https://twitter.com/LiveOverflow/ → Website: https://liveoverflow.com/ → Subreddit: https://www.reddit.com/r/LiveOverflow/ → Facebook: https://www.facebook.com/LiveOverflow/ -=[ 📄 P.S. ]=- All links with "*" are affiliate links. LiveOverflow / Security Flag GmbH is part of the Amazon Affiliate Partner Programm. #BinaryExploitation #BufferOverflow