2022weight 51.00p4
p4ctf 2022
2 challenges with 3 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 CTFtimeWeb1
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 verifierJWT alg=none bypass generatorWeb attack payload catalogJWT secret brute forceLearn: Sessions, tokens and access control
Cvg3n3rat0r
1 writeup- web
- xss
Same technique in picoCTF: Live Art, secure-email-service, msfroggenerator2
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.
Solve it with:ROP gadget finderShellcode assembler and libraryCyclic pattern generator and offset finderFormat string exploit builderLearn: Binary exploitation
Hammerhead
2 official solutionsAlso written up in: ghostinthefingers/CTF-Writeups, r00ta/myWriteUps