Introduced 5 vulnerabilities and PoC's

poc/vuln-1.poc

poc/vuln-2.poc

poc/vuln-3.poc

poc/vuln-4.poc

poc/vuln-5.poc

src/.DS_Store

src/original/passbook.c

src/vuln-1/passbook.c

src/vuln-2/passbook.c

src/vuln-3/passbook.c

src/vuln-4/passbook.c

src/vuln-5/passbook.c