Number: AL21-014
Date: 16 July 2021
AUDIENCE
This Alert is intended for IT professionals and managers of notified organizations.
PURPOSE
An Alert is used to raise awareness of a recently identified cyber threat that may impact cyber information assets, and to provide additional detection and mitigation advice to recipients. The Canadian Centre for Cyber Security ("Cyber Centre") seeks information to assess the impact in Canada, and to help Canadian organizations respond to this malicious activity.
DETAILS
On 14 July 2021 SonicWall published an Urgent Security Notice [1] to address a vulnerability in its end-of-life Secure Remote Access (SRA) and Secure Mobile Access (SMA) 100 series products running 8.x firmware.
SonicWall is aware of an imminent ransomware campaign that uses stolen credentials and leverages a known vulnerability in these products. This vulnerability has been patched in newer versions of firmware.
Should activity matching the content of this Alert be discovered, recipients are encouraged to report this to the Cyber Centre via the My Cyber Portal, contact the Cyber Centre by email contact@cyber.gc.ca, or by telephone (1-833-CYBER-88 or 1-833-292-3788). The Cyber Centre also strongly recommends that organizations report malicious activity related to this alert to their police of jurisdiction.
MITIGATION
Organizations using the following end-of-life SMA and/or SRA devices running firmware 8.x should either update their firmware or disconnect their appliances following guidance provided by SonicWall [1].
- SRA 4600/1600 (EOL 2019)
- Disconnect immediately
- Reset passwords
- SRA 4200/1200 (EOL 2016)
- Disconnect immediately
- Reset passwords
- SSL-VPN 200/2000/400 (EOL 2013/2014)
- Disconnect immediately
- Reset passwords
- SMA 400/200 (Still Supported, in Limited Retirement Mode)
- Update to 10.2.0.7-34 or 9.0.0.10 immediately
- Reset passwords
- Enable MFA
REFERENCES
[1] SonicWall Urgent Security Notice
https://www.sonicwall.com/support/product-notification/urgent-security-notice-critical-risk-to-unpatched-end-of-life-sra-sma-8-x-remote-access-devices/210713105333210/
NOTE TO READERS
The Canadian Centre for Cyber Security (Cyber Centre) operates as part of the Communications Security Establishment. We are Canada's national authority on cyber security, and we lead the government's response to cyber security events. As Canada's national computer security incident response team, the Cyber Centre works in close collaboration with government departments, critical infrastructure, Canadian businesses and international partners to prepare for, respond to, mitigate, and recover from cyber events. We do this by providing authoritative advice and support, and coordinating information sharing and incident response. The Cyber Centre is outward-facing, welcoming partnerships that help build a stronger, more resilient cyber space in Canada.