2021weight 35.64Tasteless

TastelessCTF 2021

7 challenges with 11 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 CTFtime

Misc4

Everything that fits no other box: esolangs, puzzles, scripting exercises, and the jail escapes that have not yet earned their own category.

Solve it with:Brainfuck and esolang decoder Cipher identifier and automatic decoder Regex tester with match offsets and capture groups Learn: Recognising encodings

[game] Boat
472 pts2 writeups
Same technique in picoCTF: PW Crack 2, Permissions, Specialer
[game] Conch
493 pts2 writeups
Same technique in picoCTF: PW Crack 2, Permissions, Specialer
[game] Skull Island
443 pts2 writeups
Same technique in picoCTF: PW Crack 2, Permissions, Specialer
[game] Thrybrush
497 pts2 writeups
Same technique in picoCTF: PW Crack 2, Permissions, Specialer

Uncategorised2

The upstream scoreboard did not say, so neither do we.

Solve it with:Cipher identifier and automatic decoder Learn: Recognising encodings

Skull Island
1 official solution
Also written up in: requroku/CTFWriteUps
Tasteless Shores
1 official solution
Also written up in: Kasimir123/CTFWriteUps

Web1

Reach data or functionality the application meant to keep from you - through its inputs, its tokens, or its trust in the client.

Solve it with:JWT decoder and signature verifier JWT alg=none bypass generator Web attack payload catalog JWT secret brute force Learn: Sessions, tokens and access control

[web] wtftime
500 pts1 writeup
Same technique in picoCTF: Live Art, secure-email-service, No FA

Misc4

[game] Boat

[game] Conch

[game] Skull Island

[game] Thrybrush

Uncategorised2

Skull Island

Tasteless Shores

Web1

[web] wtftime

Other 2021 events