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ECSC 2026 Finals - /udev - true innovation - 9 solves
/udev - true innovation - misc author: Firzen Challenge description: You may have heard of FUSE and UBLK, but those are just bandaids that don’t address the core issue Introducing “/udev”, finally giving the users full control over the /dev...
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0ctf 2025 - ezmd - 5 solves
Recommended: Full video write-up ezmd - web (Unintended solution) author: rainhurt Challenge description: Yet another markdown renderer… Number of solves: 5 Points: 733 attachments: ezmd_(…).zip I was solving this challenge together with my teammate drbrix tl;dr bypass dom purify for...
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SECCON Quals 2025 - dummyhole - 15 solves
Recommended: Full video write-up dummyhole - web author: RyotaK Challenge description: Is this a hole or…? Challenge: http://dummyhole.seccon.games Admin bot: http://dummyhole.seccon.games:1337 Number of solves: 15 Points: 233 attachments: dummyhole.tar.gz tl;dr couple of interesting exploits chained: image/jpeg+json / image/png+json allowed as...
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corCTF 2025 - control - 36 solves
control - misc author: chop0 Challenge description: Design a controller for a digital power supply! nc ctfi.ng 32727 Number of solves: 36 Points: 159 attachments: ctrl.py Dockerfile The Challenge Basically the ctrl.py file contains a simulation of an electrical control...
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SekaiCTF 2025 - sekai-craft - rev - 35 solves
sekai-craft - rev author: es3n1n Challenge description: Developed/tested on 1.21.8. When you click the button, Minecraft can freeze for a few seconds… this is normal. It can also crash due to OOM (out of memory)… this is normal too. Wrap...