Number: AV20-166
Date: 28 May 2020
On 26 May 2020 Apple released security updates to address vulnerabilities affecting the following products:
• macOS Catalina 10.15.5, Security Update 2020-003 Mojave and Security Update 2020-003 High Sierra
• Windows Migration Assistant 2.2.0.0 (v. 1A11)
• Safari 13.1.1
• iCloud for Windows 11.2
• iCloud for Windows 7.19
Some of these vulnerabilities could be exploited to allow arbitrary code execution with kernel privileges, remote code execution, command execution, privilege escalation or information disclosure.
The Cyber Centre encourages users and administrators to review the following web links and apply the necessary updates:
macOS Catalina 10.15.5, Security Update 2020-003 Mojave and Security Update 2020-003 High Sierra:
https://support.apple.com/kb/HT211170
Windows Migration Assistant 2.2.0.0 (v. 1A11):
http://support.apple.com/kb/HT211186
Safari 13.1.1:
https://support.apple.com/kb/HT211177
iCloud for Windows 11.2:
https://support.apple.com/kb/HT211179
iCloud for Windows 7.19:
https://support.apple.com/kb/HT211181
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.