(PT-2012-32) Positive Technologies Security Advisory
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/

About Positive Technologies

Positive Technologies www.ptsecurity.com is among the key players in the IT security market in Russia.

The principal activities of the company include the development of integrated tools for information security monitoring (MaxPatrol); providing IT security consulting services and technical support; development of the Securitylab leading Russian information security portal.

Among the clients of Positive Technologies, there are more than 40 state enterprises, more than 50 banks and financial organizations, 20 telecommunication companies, more than 40 plant facilities, as well as IT, service and retail companies from Russia, the CIS countries, the Baltic States, China, Ecuador, Germany, Great Britain, Holland, Iran, Israel, Japan, Mexico, the Republic of South Africa, Thailand, Turkey, and the USA.

Positive Technologies is a team of highly skilled developers, advisers and experts with years of vast hands-on experience. The company specialists possess professional titles and certificates; they are the members of various international societies and are actively involved in the IT security field development.