newbieからバイナリアンへ

newbieからバイナリアンへ

昨日は海を見に行きました

pwn - Balsn CTF

【pwn 39.0】Diary - Balsn CTF 2020

keywords non-NULL terminated leak / unlimited linear overflow / forge main_arena / libc2.29 1: イントロ 2: 静的解析 3: Vulns 4: 方針 4: forge fastbinsY of main_arena to leak libcbase 5: forge linked-list of fastbins and consolidate them in…

【pwn 33.0】Krazynote - Balsn CTF 2019 (kernel exploit)

keywords kernel exploit / unlocked_ioctl / race condition / userfaultfd / read insts to leak kernbase / walkthrough and overwrite PTE / prctl to leak current via com 0: 参考 1: イントロ 2: 準備 配布物 その他 3: 問題概要ととっかかりのBug 4:…

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