[ํด๋ผ์šฐ๋“œ ๋ฐ”์šฐ์ฒ˜] 80% ํ• ์ธ๋œ ๊ธˆ์•ก์œผ๋กœ ๋“œ๋ฆผํ•ต ์—”ํ„ฐํ”„๋ผ์ด์ฆˆ๋ฅผ ๋„์ž…ํ•ด ๋ณด์„ธ์š”. ์ž์„ธํžˆ ์•Œ์•„๋ณด๊ธฐ
LEVEL 6

Hope Delivery v2.0 ๐Ÿ’Œ

pwnable
  • ๋ฌธ์ œ ์ •๋ณด
  • ํ’€์ด 10
  • ๋‚œ์ด๋„ ํˆฌํ‘œ 2
  • ์งˆ๋ฌธ
  • ์ตœ๊ทผ ํ’€์ด์ž 14
  • ๋Œ“๊ธ€ 6

๋ฌธ์ œ ์„ค๋ช…

Description

ํฌ๋ง ์ „๋‹ฌ์‚ฌ๊ฐ€ Hope Delivery ๐Ÿ“ฌ v1.0์„ ์กฐ๊ธˆ ๋” ์—…๊ทธ๋ ˆ์ด๋“œ ํ–ˆ์–ด์š”!
๋“ค๋ฆฌ๋Š” ๋ง๋กœ๋Š” ๊ธฐ๋Šฅ๋„ ์ถ”๊ฐ€๋˜๊ณ , ๋” ํŽธํ•ด์กŒ๋‹ค๋˜๋ฐ...

Environment

Ubuntu 20.04
Arch:     amd64-64-little
RELRO:    Full RELRO
Stack:    Canary found
NX:       NX enabled
PIE:      PIE enabled

UPDATE)
2021/08/21 19:40 KST - Dockerfile ์ถ”๊ฐ€, misc ํƒœ๊ทธ ์ถ”๊ฐ€.
2021/09/03 16:10 KST - Dockerfile ์ˆ˜์ • (30๊ฐœ๋ฅผ ์ดˆ๊ณผํ•˜์—ฌ ํŒŒ์ผ ์ƒ์„ฑํ•˜๋Š” ๊ฒƒ ๋ฐฉ์ง€)

์ถœ์ œ์ž ์ •๋ณด

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ainsetin
Open Beta Tester

First Blood!

avatar
AIS
์›Œ๊ฒŒ์ž„: 1
์ถœ์ œ๋œ ์ง€ 2์ผ ๋งŒ์— ํ’€์ด ์™„๋ฃŒ!

๋‚œ์ด๋„ ํˆฌํ‘œ 2

์งˆ๋ฌธ 0

๋ฌธ์ œ ํ’€์ด์— ์–ด๋ ค์›€์ด ์žˆ์œผ์‹ ๊ฐ€์š”?
์ปค๋ฎค๋‹ˆํ‹ฐ์—์„œ ๋ฌธ์ œ์— ๋Œ€ํ•œ ์งˆ๋ฌธํ•˜๊ณ  ๋‹ต๋ณ€ ์–ป๊ธฐ
์•„์ง ๋ฌธ์ œ์— ๋Œ€ํ•œ ์งˆ๋ฌธ์ด ์—†์Šต๋‹ˆ๋‹ค.

์ตœ๊ทผ ํ’€์ด์ž 14

๋ฆฌ์‹ ๋ญํ•ด๊ฐฑ์˜ค๋ผ๊ณ 
๋Œ€ํ‘œ ์—…์  ์—†์Œ
mnur
CTF First Place
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Brwook
๊ณต๋ถ€๋ฒŒ๋ ˆ
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Pwn9uin
์›Œ๊ฒŒ์ž„: 50
์กฐ๋ฅด๊ฑฐ์ด
์›Œ๊ฒŒ์ž„ ๊ณ ์ธ๋ฌผ
G0RiyA
Dreamhack Beta CTF 2์œ„
kileak
๋Œ€ํ‘œ ์—…์  ์—†์Œ
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JSec
Dreamhack Beta CTF 1์œ„
img
์›Œ๊ฒŒ์ž„: 1

๋Œ“๊ธ€ 6

์กฐ๋ฅด๊ฑฐ์ด
์›Œ๊ฒŒ์ž„ ๊ณ ์ธ๋ฌผ
ํž˜๋“ค์—ˆ์ง€๋งŒ ์žฌ๋ฐŒ๋„ค์š”
avatar
JSec
Dreamhack Beta CTF 1์œ„
์‰ฌ์šด๋ฐ ๊ท€์ฐฎ์€ ๋ฌธ์ œ
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Sechack
CTF First Place
์ทจ์•ฝ์  ์ฐพ๊ธฐ, ์ต์Šคํ”Œ๋กœ์ž‡ ์ž‘์„ฑ ์ „๋ถ€ ํž˜๋“ค๊ณ  ์–ด๋ ต์ง€๋งŒ ํž˜๋“ ๋งŒํผ ํ’€๋ฉด ๋งค์šฐ ๋ฟŒ๋“ฏํ•ฉ๋‹ˆ๋‹ค. (์ด๊ฑฐ ์ต์Šคํ•˜๋Š”๋ฐ ์‚ฌ์šฉ๋œ ๊ธฐ๋ฒ•์„ ์ฒ˜์Œ ์จ๋ด์„œ ๊ณต๋ถ€ํ•˜๋ฉด์„œ ์ต์Šค ์ž‘์„ฑํ•˜๋Š๋ผ ํž˜๋“ค์—ˆ์Šต๋‹ˆ๋‹ค...)
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AIS
์›Œ๊ฒŒ์ž„: 1
์žฌ๋ฐŒ์–ด์š”!
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ainsetin
Open Beta Tester
it's not.
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sangjun
๊ณต๋ถ€๋ฒŒ๋ ˆ
Unexploitable..