This is a guest post by a young and talented Portuguese exploiter, Federico Bento. He won this year’s Pwnie for Epic Achievement exploiting TIOCSTI ioctl. Days ago he posted a video demonstrating an exploit for CVE-2017-5123 and luckly for you I managed to convince him to do a write-up about it. I hope you enjoy his work. Thanks Federico! ...
The exploit for the bug I presented last March at SyScan360 is today one year old so I decided to release it. I wasn’t sure if I should do it or not since it can be used in the wild but Google Project Zero also released a working version so it doesn’t really make a difference. I’m also publishing here the final version of the slides that differ slightly from the version made available at the corporate blog....