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Regardless of whether you're using these at-risk operating systems or even using a Mac, the security advice remains the same. Another Mac OS, El Capitan, has a similar vulnerability, Wardle said.Īccording to Mashable, Apple is looking into the vulnerability and advises users to exercise caution and common sense when downloading apps. This is not something that is supposed to happen!" wrote Wardle on his Patreon page. "I discovered a flaw where malicious non-privileged code (or apps) could programmatically access the keychain and dump all this data. On High Sierra (unsigned) apps can programmatically dump & exfil keychain (w/ your plaintext passwords) vid: #smh /pqtpjZsSnq

Wardle immediately reported the vulnerability to Apple and then made his finding public on Twitter. The researcher, Patrick Wardle, discovered this when he was able to run an unsigned app on the operating system that could steal plaintext passwords. Any hacker, with a little bit of work, can steal all the passwords off a computer running the operating system.

25 and comes with lots of new features, but a security researcher has already discovered a major vulnerability. Organisations that have been impacted or require assistance can contact the ACSC via 1300 CYBER1.If you've downloaded the latest Mac operating system, High Sierra, you may want to be on high alert. The ACSC is monitoring the situation and is able to provide assistance and advice as required. Mitigation / How do I stay secure?Īustralians should review their iOS and macOS devices and apply the latest available security updates as a high priority. The ACSC is aware of reported active exploitation of this vulnerability. Further information on this vulnerability is available in Apple’s security advisories: Apple iOS and macOS products are used widely in Australia, organisations and users should take immediate action and update their devices to prevent compromise.ĬVE-2022-22620 allows a malicious actor to execute arbitrary code on an affected device if maliciously crafted web content is processed. Apple WebKit is a component used extensively in iOS and macOS devices to display web pages. The ACSC is tracking a Remote Code Execution vulnerability in Apple WebKit.