2025from public repositories
Gemastik Final 2025
8 challenges with 9 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 liveUncategorised7
The upstream scoreboard did not say, so neither do we.
VULNERABILITY ANALYSIS
2 official solutionsBlogpost
1 official solutionPRIVILEGE ESCALATION
1 official solutionQUICK REFERENCE
1 official solutionTROUBLESHOOTING
1 official solutionTWO PATHS SUMMARY
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
MANUAL EXPLOITATION
1 official solution