macOS Mojave Zero-Day Allows Theft of Keychain Passwords
A researcher has disclosed the existence of a zero-day vulnerability in macOS Mojave that can be exploited by malware to steal plaintext passwords from the operating system’s Keychain. The flaw has not been reported to Apple, but its details have not been made public.
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Story added 6. February 2019, content source with full text you can find at link above.