https://stream.echo6.co/videos/watch/c9c159f7-62eb-4797-be0f-cb01cc586fe4 To understand a crash in nss_load_function() better, we have to look at the libc source code. While doing this we find a very interesting exploit strategy using dlopen. Grab the files: https://github.com/LiveOverflow/pwnedit Read libc Code: https://elixir.bootlin.com/glibc/glibc-2.31/source Episode 14: 00:00 - Intro 00:22 - Select Testcases For Crash Analysis 01:19 - Debug Crash in gdb 02:02 - Code Examples from grep.app 02:53 - Reading libc Source Code 04:43 - Learning about nss 05:29 - Reaching nss_lookup 06:00 - The service_user Struct ni 07:55 - nss_lookup_function 08:57 - The Crash Reason 09:58 - Exploit Brainstorming 10:57 - Outro -=[ ❤️ 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/ → Instagram: https://instagram.com/LiveOverflow/ → Blog: https://liveoverflow.com/ → Subreddit: https://www.reddit.com/r/LiveOverflow/ → Facebook: https://www.facebook.com/LiveOverflow/ Wed, 15 Apr 2026 11:28:59 GMT https://validator.w3.org/feed/docs/rss2.html PeerTube - https://stream.echo6.co https://stream.echo6.co/client/assets/images/icons/icon-512x512.png https://stream.echo6.co/videos/watch/c9c159f7-62eb-4797-be0f-cb01cc586fe4 All rights reserved, unless otherwise specified in the terms specified at https://stream.echo6.co/about and potential licenses granted by each content's rightholder.