Midnight Sun CTF 2023 Quals
17 challenges with 31 published community solutions between them. Solution links go to CTFtime’s task page, which aggregates every writeup for a challenge - individual blog posts rot, the aggregator does not.
Full task list on CTFtimeUncategorised11
The upstream scoreboard did not say, so neither do we.
Speed SPD D
6 official solutionsAlso written up in: mito753/Kernel-Exploit-Dojo, mito753/Kernel-Exploit-Dojo, mito753/Kernel-Exploit-Dojo, mito753/Kernel-Exploit-Dojo, mito753/Kernel-Exploit-Dojo, mito753/Kernel-Exploit-Dojo
Also written up in: m1dm4n/CTF-WriteUp, m1dm4n/CTF-WriteUp
Pwnit
2 official solutionsAlso written up in: mephi42/ctf, mephi42/ctf
Factcheck
1 official solutionAlso written up in: m1dm4n/CTF-WriteUp
Helt Ormalt
1 official solutionAlso written up in: m1dm4n/CTF-WriteUp
Pyttemjuk
1 official solutionAlso written up in: viktoredstrom/CTF
Solveit
1 official solutionAlso written up in: mephi42/ctf
Solveit Fail
1 official solutionAlso written up in: mephi42/ctf
Speed1
1 official solutionAlso written up in: viktoredstrom/CTF
Speed2
1 official solutionAlso written up in: viktoredstrom/CTF
Speed3
1 official solutionAlso written up in: viktoredstrom/CTF
Misc4
Everything that fits no other box: esolangs, puzzles, scripting exercises, and the jail escapes that have not yet earned their own category.
Also written up in: daffainfo/ctf-writeup
Same technique in picoCTF: PW Crack 2, Permissions, Specialer
Also written up in: viktoredstrom/CTF
Same technique in picoCTF: PW Crack 2, Permissions, Specialer
Same technique in picoCTF: PW Crack 2, Permissions, Specialer
Same technique in picoCTF: PW Crack 2, Permissions, Specialer
Binary exploitation1
Turn a memory-safety bug in a native binary into control of execution. Usually a stack overflow, a format string, or a heap primitive.
MemeControl
2 official solutionsAlso written up in: daffainfo/ctf-writeup, terawhiz/CTF-Writeups
Reverse engineering1
Work out what a compiled program does without its source, then work backwards from the check to the input that passes it.
Also written up in: mephi42/ctf, terawhiz/CTF-Writeups, terawhiz/CTF-Writeups, viktoredstrom/CTF