CHALLENGES
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Start
100 pts
Solved 7764 times. sces60107Just a start.
Don't know how to start?
Check GEF 101 - Solving pwnable.tw/start by @_hugsy
nc chall.pwnable.tw 10000 -
orw
100 pts
Solved 5808 times. sces60107Read the flag from
/home/orw/flag.Only
openreadwritesyscall are allowed to use.nc chall.pwnable.tw 10001 -
CVE-2018-1160
100 pts
Solved 150 times. c2w2m2There is an old version Netatalk with some vulnerabilities, such as CVE-2018-1160.
Can you develop a 1-day exploit for this challenge? :p
The Kernel version is:
Linux ubuntu 4.9.0-x86_64-linode79 #1 SMP Mon Dec 12 13:17:30 EST 2016 x86_64 x86_64 x86_64 GNU/LinuxHint:
Notice, Kernel version may be changed after the environment updated.
You can get the current version from the the other challenge.nc chall.pwnable.tw 10002 -
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applestore
200 pts
Solved 1288 times. jinmo123tomcr00se rooted the galaxy S5, but we need you to jailbreak the iPhone8!
nc chall.pwnable.tw 10104 -
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Starbound
250 pts
Solved 632 times. nneonneoLet's play starbound together!
multi-player features are disabled.
nc chall.pwnable.tw 10202 -
Spirited Away
300 pts
Solved 805 times. nneonneoThanks for watching Spirited Away !
Please leave some comments to help us improve our next movie !
nc chall.pwnable.tw 10204 -
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CVE-2018-10387
250 pts
Solved 127 times. NextLineSingled-threaded TFTP Server Open Source Freeware Windows/Unix for PXEBOOT, firmware load, support tsize, blksize, timeout, server port ranges, block number rollover for large files, and remote code execution.
nc chall.pwnable.tw 10206 -
Bounty Program α
300 pts
Solved 94 times. NextLineOnly PPP got a bounty in HITCON CTF final 2019. :p
flag:
/home/bounty_program/flagnc chall.pwnable.tw 10208 -
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BookWriter
350 pts
Solved 589 times. CharoI fixed some bug of memo from bkp CTF 2017 and modified some control flow, but it's still pwnable.
Can you pwn it again?
nc chall.pwnable.tw 10304 -
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WannaHeap
400 pts
Solved 156 times. CharoDo you like heap challege?
This challenge is running on Ubuntu 17.04
nc chall.pwnable.tw 10305 -
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HITCON FTP
400 pts
Solved 52 times. perniciousNobody find all vulnerabilities in HITCON CTF final 2019. :'(
flag:/home/hitcon_ftp/flagnc chall.pwnable.tw 10309 -
Stupid Robot
400 pts
Solved 33 times. RiatreCreate your own robot and capture the flag!
Note:
/tmpwill be cleaned up every 5 minutes.nc chall.pwnable.tw 10311 -
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Ghost Party
450 pts
Solved 230 times. xellosWelcome to ghost island and enjoy the ghost party.
nc chall.pwnable.tw 10401 -
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unexploitable
500 pts
Solved 575 times. xellosThe original challenge is on pwnable.kr and it is solvable.
This time we fix the vulnerability and now we promise that the service is unexploitable.
nc chall.pwnable.tw 10403 -
BabyAllocator
500 pts
Solved 91 times. xellosDo you like memory allocator?
Love, Service , Responsibility, Discipline !
nc chall.pwnable.tw 10404 -
OmegaGo
500 pts
Solved 87 times. xellosWant to fight with AlphaGo?
Beat OmegaGo first.
Note: The game rule has been simplified to make life easier.
nc chall.pwnable.tw 10405 -
Food Store
500 pts
Solved 60 times. l4w.ioWelcome to my food store!
This challenge is running on Ubuntu 17.04
nc chall.pwnable.tw 10406 -
Bounty Program β
500 pts
Solved 72 times. perniciousSome team and me patched some bug in
bounty program alpha, but it's still pwnable :(Can you pwn it again?
flag:
/home/bounty_program/flagnc chall.pwnable.tw 10410 -
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Bash Revenge
500 pts
Solved 59 times. mrbaconguyThere is an old version bash with some vulnerabilities, such as CVE-2016-9401.
Can you develop a 1-day exploit for this challenge? :pnc chall.pwnable.tw 10407 -
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criticalheap
200 pts
Solved 278 times. xellosThere are some secrets . Try to capture
/home/critical_heap++/flag.We recommend you to use the provided docker environment to develop your exploit:
nc chall.pwnable.tw 10500 -
criticalheap++
600 pts
Solved 105 times. lucasIt's very crazy! Don't do it!!
You need to get a shell !!
We recommend you to use the provided docker environment to develop your exploit:
nc chall.pwnable.tw 10500 -
Digimon
600 pts
Solved 32 times. xellosWelcome to the world of digimon!
Try to catch as many as possible! :P
nc chall.pwnable.tw 10501
2026-06-13 04:58:15
saitomu
Bash
2026-06-13 04:57:41
saitomu
De-ASLR
2026-06-13 03:30:42
31b0n3
dubblesort
2026-06-12 23:59:00
m1kp4
orw
2026-06-12 23:02:54
m1kp4
Start
2026-06-12 20:02:29
realDonaldTrump
orw
2026-06-12 16:44:14
huayi
Starbound
2026-06-12 13:38:32
huayi
Death Note
2026-06-12 12:56:19
huayi
seethefile
2026-06-12 10:32:51
Fisabilillah
criticalheap
2026-06-12 10:28:11
huayi
Tcache Tear
2026-06-12 10:27:22
huayi
Re-alloc
2026-06-12 06:52:46
huayi
applestore
2026-06-11 22:07:12
jan_in_ctf
3x17
2026-06-11 21:58:00
kyst
applestore
2026-06-11 20:35:01
0verfl0w
Silver Bullet
2026-06-11 20:31:04
realDonaldTrump
Start
2026-06-11 20:23:00
t3mp1_guy
calc
2026-06-11 20:00:47
jan_in_ctf
calc
2026-06-11 15:37:22
David Janashvili
Heap Paradise