qwerty
@_qwerty_po
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@POSTECH_PLUS 20 Pwner / @theori_io - @dreamhack_io
Joined November 2020
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Thank you to everyone who participated. We will come back with a better problem in the finals!
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The dreamhack CTF invitational quals will be held from 2025/02/08 00:00(UTC+0) to 2025/02/09 00:00(UTC+0)! This is an individual competition, and the problems have been prepared with great effort. I encourage many interested participants to join!
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@theoremoon You will probably receive an email within this week if you certificated win on discord!
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@h0mbre_ Yes. With heap grooming + cross cache, I usually place victim object below oob object
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If you are interested in the latest Linux kernel exploit method, it's worth a look!
I just released our kernelCTF VSock 0-day write-up with @_qwerty_po . (exp196/exp197, CVE-2024-50264) We made history by being the first to exploit VSock in kernelCTF, expanding its known attack vectors. 🥳 It’s a pretty *simple* race condition, right?
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It could be very, very wrong. I can't believe something like this happens in this day and age.
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