FC4 enigma 문제 전문 /* The Lord of the BOF : The Fellowship of the BOF - titan - Remote BOF on Fedora Core 4 - hint : ? - port : TCP 8888 */ #include #include #include #include static char buffer[40]; static void (*ftn)(); void print() { printf("nothing here\n"); fflush(stdout); } int main() { char buf[48]; ftn = print; printf("titan : What a tragic mistake.\n"); printf("you : "); fflush(stdout); // give me a.. FC4 cruel 문제 전문 /* The Lord of the BOF : The Fellowship of the BOF - enigma - Remote BOF on Fedora Core 4 - hint : ? - port : TCP 7777 */ #include #include #include #include int vuln(int canary,char *ptr) { char buffer[256]; int *ret; // stack overflow!! strcpy(buffer,ptr); // overflow protected if(canary != 0x31337) { printf("who broke my canary?!"); exit(1); } // preventing RTL ret = &canary - 1; if((*r.. 이전 1 2 3 4 5 다음
