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SMACom 1.2.0 Insecure Transit / Password Disclosure

SMACom 1.2.0 Insecure Transit / Password Disclosure
Posted Apr 17, 2020
Authored by Benjamin Kunz Mejri, Vulnerability Laboratory | Site vulnerability-lab.com

SMACom version 1.2.0 suffers from an insecure transit vulnerability that allows for password disclosure.

tags | exploit
SHA-256 | f51ea111518ccf91ba58454f6ee50e3572a1f227c409c3020f5f8696db69e58c

SMACom 1.2.0 Insecure Transit / Password Disclosure

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Document Title:
SMACom v1.2.0 - Insecure Session Validation Vulnerability

References (Source):

Release Date:

Vulnerability Laboratory ID (VL-ID):

Common Vulnerability Scoring System:

Vulnerability Class:
Insufficient Session Validation

Current Estimated Price:
500€ - 1.000€

Product & Service Introduction:
You do not need an USB cable anymore to transfer your photos and movies
to a PC! SMACom Wi-Fi photo Transfer is software
that transfers your photos and movies taken by a smart phone to your PC
without using an USB cable or a SD Card. You can also
transfer the data from a PC to a smart phone.

(Copy of the Homepage:

Abstract Advisory Information:
The vulnerability laboratory core research team discovered an insecure
session validation vulnerability in the SMACom v1.2.0 mobile ios

Affected Product(s):
Product: SMACom v1.2.0 - Apple iOS Mobile Web Application

Vulnerability Disclosure Timeline:
2020-04-16: Public Disclosure (Vulnerability Laboratory)

Discovery Status:

Exploitation Technique:

Severity Level:

Authentication Type:
Pre auth - no privileges

User Interaction:
No User Interaction

Disclosure Type:
Independent Security Research

Technical Details & Description:
An insecure session validation web vulnerability has been discovered in
the official SMACom v1.2.0 mobile ios web-application.
The vulnerability becomes visible through insecure transmitted session
credentials like passwords or keys.

The vulnerability is located in the session handling of the `password`
authentication parameter of the wifi photo transfer module.
Users can setup there pin for authentication to access the wifi user
interface. The web-server is not secured by ssl and transmits
the `password` for the wifi authentication in plain-text. Remote
attackers with network access privileges or on public wifis access
are able to read the authentication credentials and followup requests
with the password via man in the middle attack. The password
is transmitted as plain-text and is used in the visible session
parameter requested on each GET index attempt.

Next to that we want to mention as well that the authentication is not
protected against any bruteforce attempts which allowed us
to quickly crack any 4-6 digits pins from the default generator within

Successful exploitation of the vulnerability results in mobile wifi
application file-system compromise and information leaks.

Request Method(s):
[+] GET

Vulnerable Function(s):
[+] Auth

Vulnerable Module(s):
[+] password

Proof of Concept (PoC):
The vulnerability can be exploited by remote attackers with network
access without privileged application user account.
For security demonstration or to reproduce the security vulnerability
follow the provided information and steps below to continue.

PoC: Captured Requests with Password
200 OK http://localhost:8080/Image?password=[SCORE HERE!]
200 OK
200 OK


Security Risk:
The security risk of the insecure session validation web vulnerability
in the mobile ios web application is estimated as high.

Credits & Authors:
Vulnerability-Lab -
Benjamin Kunz Mejri -

Disclaimer & Information:
The information provided in this advisory is provided as it is without
any warranty. Vulnerability Lab disclaims all warranties,
either expressed or implied, including the warranties of merchantability
and capability for a particular purpose. Vulnerability-Lab
or its suppliers are not liable in any case of damage, including direct,
indirect, incidental, consequential loss of business profits
or special damages, even if Vulnerability-Lab or its suppliers have been
advised of the possibility of such damages. Some states do
not allow the exclusion or limitation of liability for consequential or
incidental damages so the foregoing limitation may not apply.
We do not approve or encourage anybody to break any licenses, policies,
deface websites, hack into databases or trade with stolen data.

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