Fuzzing the Media Framework in Android
9bUpku
9bUpku
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<strong>Fuzz<strong>in</strong>g</strong> Stagefright with AFLThe American Fuzzy Lop fuzz<strong>in</strong>g tool• Instrumentation based fuzz<strong>in</strong>g tool• Targeted b<strong>in</strong>aries need to be compiled with afl-gcc (wrapperover gcc)• Two fuzz<strong>in</strong>g modes: dumb-mode, <strong>in</strong>strumented-mode• Instrumented mode detects changes to program control flowto f<strong>in</strong>d new code paths• Detects both crashes and hangs and sorts out <strong>the</strong> uniqueissues36