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Paff the Fuzzer

Paff the Fuzzer is a PoC binaries fuzzer that users dynamic library linking to instrument the targeted files.

Usage

$ make; ./bash runUnitTests.sh

Example

   guifre@debian:~/Paff-The-Fuzzer$ bash runUnitTests.sh 
   Fuzzing [strcatVuln]
   written ���U1214
   written �HF�12149
   written @�>y121492
   Found bug in [strcat] call. Source [7] Destination [6]
   written ���s1214921

   Fuzzing [strcpyVuln]

   buff is 12149211
   buff is 121492112
   Found bug in [strcpy] call.  Source [7] Destination [6]
   buff is 1214921122

Requirements

Only tested in GNU/Linux. To compile as lib: $gcc -Wall -fPIC -shared -o myfopen.so myfopen.c -ldl