2023found by harvest
Reply Cyber Security Challenge 2023
2 challenges with 2 published solutions between them. No writeups were ever filed against this event's listing, so its solutions were found in public repositories instead. Each link is pinned to the commit it was read from.
The event listingBinary 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
Ivano only drinks steel uoter
1 official solutionAlso written up in: KernelKrise/CTF
Uncategorised1
The upstream scoreboard did not say, so neither do we.
NumOps enigma
1 official solutionAlso written up in: KernelKrise/CTF