Creston Electronics Security Updates
Date: Aug 4, 2016
The purpose of this advisory is to bring attention to security updates available for DM-TXRX-100-STR web management interface by Creston Electronics.
Creston Electronics released a security update to address 5 critical vulnerabilities in the DM-TXRX-100-STR web interface. Exploitation of these vulnerabilities can allow for authentication bypass, unauthorized access and cross-site request forgery. Vulnerable devices also contain hard-coded administrative credentials and a publicly known cryptographic key.
DM-TXRX-100-STR versions prior to 1.3039.00040
CVE References: CVE-2016-5666, CVE-2016-5667, CVE-2016-5668, CVE-2016-5669, CVE-2016-5670, CVE-2016-5671
One vulnerability (CVE-2016-5671) remains unpatched, with a firmware update forthcoming from the manufacturer.
CCIRC recommends that system administrators test and deploy the vendor-released updates to affected applications accordingly. For the vulnerability without a released update, system administrators should monitor for its release then their organization's patch management process should be actioned accordingly. Any default device passwords should be reset, then changed regularly using a strong password policy.
Note to Readers
In support of Public Safety's mission to build a safe and resilient Canada, CCIRC's mandate is to help ensure the security and resilience of the vital non-federal government cyber systems that underpin Canada's national security, public safety and economic prosperity. As Canada's computer security incident response team, CCIRC is Canada's national coordination centre for the prevention and mitigation of, preparedness for, response to, and recovery from cyber incidents on non-federal government systems. It does this by providing authoritative advice and support, and coordinating information sharing and incident response.
Please note, CCIRC PGP key has recently been updated.
For general information, please contact Public Safety Canada's Public Affairs division at:
Telephone: 613-944-4875 or 1-800-830-3118
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