video thumbnail 15:11
The Heap: Once upon a free() - bin 0x17

2016-11-04

[public] 43.4K views, 983 likes, 16.0 dislikes audio only

An introduction on how to abuse Heap metadata to redirect program execution.

heap3: https://exploit.education/protostar/heap-three/

Once upon a free() - phrack: http://phrack.org/issues/57/9.html

-=[ 🔴 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

-=[ ❤️ 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 #HeapOverflow


execute the string copies
/youtube/video/gL45bjQvZSU?t=225.34
overwrite an entry in the global offset table
/youtube/video/gL45bjQvZSU?t=361.31
write an address from segment a into segment b
/youtube/video/gL45bjQvZSU?t=574.69
get these rows into the heap with a string copy
/youtube/video/gL45bjQvZSU?t=863.68903