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[Kernel Analysis] IPC - pipe.c ๋ถ„์„ (1)

9 minute read

pipe๊ฐ€ ์–ด๋–ป๊ฒŒ ์—ด๋ฆฌ๊ณ , write()์™€ read()๊ฐ€ ์–ด๋–ป๊ฒŒ ์ •์˜๋˜๋Š”์ง€ ์•Œ์•„๋ณด์ž

[Kernel Exploit Tech][Pawnyable] LK03 - UAF

3 minute read

์ปค๋„์—์„œ ์ „์—ญ๋ณ€์ˆ˜์˜ ์œ„ํ—˜์„ฑ๊ณผ ์ด๋ฅผ ํ†ตํ•œ UAF๋ฅผ ์–ด๋–ป๊ฒŒ ์‚ฌ์šฉํ•˜๋Š”์ง€ ์•Œ์•„๋ณด์ž

[Tech Analysis] ASLR ์‹ฌ์ธต๋ถ„์„

2 minute read

ASLR์ด ์ผœ์ ธ ์žˆ์„ ๋•Œ stack์˜ ์‹œ์ž‘์ฃผ์†Œ๊ฐ€ ์–ด๋–ป๊ฒŒ ๋‚œ์ˆ˜ํ™”๋˜๋Š”์ง€ ์•Œ์•„๋ณด์ž