PT-2012-32: User data disclosure in Sanuel Family
Vulnerable software
Sanuel Family
Version: 11.1.0 and earlier
Link:
http://www.sanuel.com/ru/family/
https://play.google.com/store/apps/details?id=com.familymobile
Severity level
Severity level: High
Impact: User data disclosure
Access Vector: Remote
CVSS v2:
Base Score: 8.5
Vector: (AV:N/AC:L/Au:N/C:C/I:P/A:N)
CVE: not assigned
Software description
Sanuel Family is a software used for personal accounting. The program allows you to carry on family finances, fiscal accounting for small businesses, and also make analysis and accounting of your investments. Family Mobile application synchronizes data from mobile and personal computers.
Vulnerability description
The specialists of the Positive Research center have detected "'User data disclosure" vulnerability in Sanuel Family.
The vulnerability is detected in the data exchange protocol used between mobile and desktop applications and synchronization server.
An attacker is able to intercept user credentials and expenditures, and also access information about user accounts.
User credentials: login and password (in POST request) and also expenditures are sent in XML in clear text. As traffic is intercepted, an attacker is able to get the data in a clear text. Though the data is rather depersonalized, i.e. it is linked with user's login, an attacker can use it to get information about personal finances.
POST requests:
Full request URI: http://www.sanuel.com/sync/syncpost.php
Line-based text data: application/x-www-form-urlencoded
command=auth&login=HERE_GOES_MY_USERNAME&pass=here_goes_my_pass
---------------
Full request URI: http://www.sanuel.com/sync/syncapp.php
command=cats&login=HERE_GOES_MY_USERNAME&pass=here_goes_my_pass&data=<?xml version="1.0" encoding="windows-1251" standalone="yes" ?><data><categories><category><name>\301\340\341\363\370\352\340</name><type>2</type></category><category><name>\301\37
How to fix
No solution
Advisory status
27.08.2012 - Vendor is notified
27.08.2012 - Vendor gets vulnerability details
26.09.2012 - Vulnerability details were sent to CERT
03.10.2012 - Public disclosure
Credits
The vulnerability has discovered by Denis Gorchakov, Positive Research Center (Positive Technologies Company)
References
http://en.securitylab.ru/lab/PT-2012-32
Reports on the vulnerabilities previously discovered by Positive Research:
http://ptsecurity.com/research/advisory/
http://en.securitylab.ru/lab/