Alert - SonicWall releases Urgent Security Notice for EOL SRA and SMA 8.x devices at risk of Ransomware

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 Cyber threatA threat actor, using the internet, who takes advantage of a known vulnerability in a product for the purposes of exploiting a network and the information the network carries. that may impact cyber information assets, and to provide additional detection DetectionThe monitoring and analyzing of system events in order to identify unauthorized attempts to access system resources. and mitigation advice to recipients. The Canadian Centre for Cyber Security Cyber securityThe protection of digital information, as well as the integrity of the infrastructure housing and transmitting digital information. More specifically, cyber security includes the body of technologies, processes, practices and response and mitigation measures designed to protect networks, computers, programs and data from attack, damage or unauthorized access so as to ensure confidentiality, integrity and availability. ("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 VulnerabilityA flaw or weakness in the design or implementation of an information system or its environment that could be exploited to adversely affect an organization's assets or operations. 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 RansomwareA type of malware that denies a user's access to a system or data until a sum of money is paid. 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 Critical infrastructureProcesses, systems, facilities, technologies, networks, assets, and services essential to the health, safety, security, or economic well-being of Canadians and the effective functioning of government. Critical infrastructure can be stand-alone or interconnected and interdependent within and across provinces, territories, and national borders. Disruptions of critical infrastructure could result in catastrophic loss of life, adverse economic effects, and significant harm to public confidence. , 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.

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