Рет қаралды 97,096
Let's have a look at a recent kernel local privilege escalation exploit!
Exploit Source: hxp.io/blog/79/hxp-CTF-2020-w...
Kernel Developer Walkthrough: • SerenityOS exploit ana...
Syscalls, Kernel vs. User Mode and Linux Kernel Source Code: • Syscalls, Kernel vs. U...
How Do Linux Kernel Drivers Work? • How Do Linux Kernel Dr...
👕 T-Shirt Series: • My Life in Short/Shirt...
00:00 - Introduction
00:15 - Exploit PoC
00:39 - main()
00:52 - prepare_shellcode()
02:39 - mmap() shared memory to signal "ready" state
03:07 - fork() into [child] and [parent]
03:44 - [parent] wait for the child
04:00 - [child] unveil() loop
05:03 - [parent] ptrace ATTACH and POKE child
05:58 - [child] execve("passwd")
06:38 - [parent] PEEK entrypoint of child in loop
07:34 - [parent] child entrypoint changes!
07:49 - Exploit Walkthrough
09:20 - Root Shell via Shellcode
10:10 - Vulnerability Summary
10:37 - Which UNIX-like Kernel is this?
12:44 - The importance for Security Research
13:59 - Next Video and Resources
14:22 - Patreon and YT Members
=[ ❤️ Support ]=
→ per Video: / liveoverflow
→ per Month: / @liveoverflow
=[ 🐕 Social ]=
→ Twitter: / liveoverflow
→ Website: liveoverflow.com/
→ Subreddit: / liveoverflow
→ Facebook: / liveoverflow
=[ 📄 P.S. ]=
All links with "*" are affiliate links.
LiveOverflow / Security Flag GmbH is part of the Amazon Affiliate Partner Programm.