2019-06-16

[public] 34.8K views, 1.33K likes, 11.0 dislikes audio only

LiveOverflow

Part 4: We finally look at the actual exploit code. We start by understanding the addrof() primitive used to leak the address of a JavaScript object in memory.

test.js: https://gist.github.com/LiveOverflow/ee5fb772334ec985094f77c91be60492

Crash investigation: https://webkit.org/blog/6411/javascriptcore-csi-a-crash-site-investigation-story/

The Exploit: https://github.com/LinusHenze/WebKit-RegEx-Exploit

The Fix: https://github.com/WebKit/webkit/commit/7cf9d2911af9f255e0301ea16604c9fa4af340e2?diff=split#diff-fb5fbac6e9d7542468cfeed930e241c0L66

Saelo's exploit: https://github.com/saelo/cve-2018-4233/blob/master/pwn.js

Playlist: /youtube/video/5tEdSoZ3mmE

-=[ 🕴️Advertisement ]=-

This video is supported by SSD Secure Disclosure: https://ssd-disclosure.com/

Offensive Security Conference TyphoonCon: https://typhooncon.com/

-=[ ❤️ Support ]=-

→ per Video: https://www.patreon.com/join/liveoverflow

→ per Month: https://www.youtube.com/channel/UClcE-kVhqyiHCcjYwcpfj9w/join

-=[ 🔴 Stuff I use ]=-

→ Microphone:* https://geni.us/ntg3b

→ Graphics tablet:* https://geni.us/wacom-intuos

→ Camera#1 for streaming:* https://geni.us/sony-camera

→ Lens for streaming:* https://geni.us/sony-lense

→ Connect Camera#1 to PC:* https://geni.us/cam-link

→ Keyboard:* https://geni.us/mech-keyboard

→ Old Microphone:* https://geni.us/mic-at2020usb

US Store Front:* https://www.amazon.com/shop/liveoverflow

-=[ 🐕 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.

#browserexploitation