A remotely executed Zero-Day vulnerability hits Apple’s MacOS
Updated: May 6, 2022
A Security researchers disclosed a zero-day vulnerability in Apple’s macOS. This vulnerability is classed as Zero-Day as it is public knowledge and Apple have not yet fixed it.
Successful Exploitation of this vulnerability allows an attacker to remotely execute commands on any MacOS versions. This flaw effectively allows an attacker to bypass Apple’s quarantine technologies, this vulnerability exists due to ‘inteloc’ files which runs arbitrary commands embedded inside without any prompts.
Once clicked it opens an online resource or local files (file://).
An attacker can use this technique in phishing to execute commands on remote machine as when the attachment is clicked no prompt is asked. Even though Apple silently patch this vulnerability but the original researcher later pointed out that it was partial and this vulnerability still does not have a stable patch.
Analyse Firewall and Internet proxy logs for the presence of mentioned IOCs. Update the Anti-malware solutions at endpoint and perimeter level solutions to include the given IOCs
Avoid handling files or URL links in emails, charts or shared folders from untrusted sources
Provide phishing awareness training to your employees/contractors
Deploy endpoint detection & response (EDR) tools to detect latest malware and suspicious activities on endpoints