Last weekend were the Google CTF 2019 finals in London with 10 invited teams, part of a larger event named ESCAL8 with VRP researchers (BugSWAT), students (init.g), etc.
I wrote a CTF challenge for the event: The Gomium Browser. Out of 10 teams 4 teams solved it (pasten, 5BC, p4, A*0*E) and a 5th team (Balsn) was really close, unfortunately their exploit was unreliable.
In this blog post I won't spoil too much and just introduce the challenge, if you'd like to try it yourself. Then in another post, I'll explain what it was all about, present my exploit and links to some of the other teams write-ups. There were some really interesting ones.
Thursday, November 07, 2019
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