2020from public repositories
OSU league 2020
22 challenges with 22 published solutions between them. CTFtime has no listing for this event at all, so nothing built on CTFtime can show what it was made of. These writeups were found in public repositories instead. Each link is pinned to the commit it was read from.
Where these writeups liveUncategorised21
The upstream scoreboard did not say, so neither do we.
Almostnopship0
1 official solutionCookie
1 official solutionCopper
1 official solutionCowsay
1 official solutionMake A Hash
1 official solutionMany Time Pad
1 official solutionNcep Botez
1 official solutionNcep Magnus
1 official solutionPrintf Is Echo
1 official solutionRayhanns Return
1 official solutionRet2win
1 official solutionRussian Nesting Bathhouse
1 official solutionScrambled Noodles
1 official solutionSnowcone
1 official solutionUnprintable
1 official solution
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
Review
1 official solution