Trustwave SpiderLabs Security Advisory TWSL2013-022:
No Authentication Vulnerability in Radio Thermostat of America, Inc

Published: 08/01/13
Version: 1.0

Vendor: Radio Thermostat of America, Inc
Product: CT80, CT50
Version affected: v1.4.64 and earlier

Product description:
The Radio Thermostat CT80 and CT50 are thermostats which can be controlled via WiFi.

Finding 1: No Authentication
*****Credit: Daniel Crowley of Trustwave SpiderLabs
CVE: CVE-2013-4860
CWE: CWE-287 Improper Authentication

When on the same network as a Radio Thermostat unit, no authentication is
required to use any part of the API. Users on the same subnet as the unit
can query and change various settings such as the operation mode, wifi
connection settings, and temperature thresholds.

Vendor Response:
No response received.

Remediation Steps:
No patch currently exists for this issue. To limit exposure,
network access to these devices should be limited to authorized
personnel through the use of Access Control Lists and proper
network segmentation.

Revision History:
06/19/13 - Attempt to contact vendor
07/10/13 - Attempt to contact vendor
07/12/13 - Attempt to contact vendor
07/19/13 - Attempt to contact vendor
08/01/13 - Advisory published

References
1. http://www.radiothermostat.com


About Trustwave:
Trustwave is the leading provider of on-demand and subscription-based
information security and payment card industry compliance management
solutions to businesses and government entities throughout the world. For
organizations faced with today's challenging data security and compliance
environment, Trustwave provides a unique approach with comprehensive
solutions that include its flagship TrustKeeper compliance management
software and other proprietary security solutions. Trustwave has helped
thousands of organizations--ranging from Fortune 500 businesses and large
financial institutions to small and medium-sized retailers--manage
compliance and secure their network infrastructure, data communications and
critical information assets. Trustwave is headquartered in Chicago with
offices throughout North America, South America, Europe, Africa, China and
Australia. For more information, visit https://www.trustwave.com

About Trustwave SpiderLabs:
SpiderLabs(R) is the advanced security team at Trustwave focused on
application security, incident response, penetration testing, physical
security and security research. The team has performed over a thousand
incident investigations, thousands of penetration tests and hundreds of
application security tests globally. In addition, the SpiderLabs Research
team provides intelligence through bleeding-edge research and proof of
concept tool development to enhance Trustwave's products and services.
https://www.trustwave.com/spiderlabs

Disclaimer:
The information provided in this advisory is provided "as is" without
warranty of any kind. Trustwave disclaims all warranties, either express or
implied, including the warranties of merchantability and fitness for a
particular purpose. In no event shall Trustwave or its suppliers be liable
for any damages whatsoever including direct, indirect, incidental,
consequential, loss of business profits or special damages, even if
Trustwave 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.

________________________________

This transmission may contain information that is privileged, confidential, and/or exempt from disclosure under applicable law. If you are not the intended recipient, you are hereby notified that any disclosure, copying, distribution, or use of the information contained herein (including any reliance thereon) is STRICTLY PROHIBITED. If you received this transmission in error, please immediately contact the sender and destroy the material in its entirety, whether in electronic or hard copy format.