![]() An S/MIME issue that existed in the handling of encrypted email and resulted in the use of an incorrect certificate for encryption.Five kernel vulnerabilities, some of which can be exploited by a malicious application to execute arbitrary code with kernel privileges.The iOS update was rushed out on Saturday because of a critical need to fix a bug in iOS 11 that caused some iPhones to crash when the calendar changed to December 2. How can you have a security update that does not update security properly?Įven worse, after seeing this issue, I did a reinstall over my existing macOS system and still the Gatekeeper and MRT configuration files stayed stuck at December 2017 versions.Apple usually pushes out security updates for its various devices and software on the same day, but not this time. The fact that the Apple’s security infrastructure can fail in this way with no warning whatsoever is itself a critical bug, because it means that somehow, something can be tweaked to disable updating configuration files for Gatekeeper and MRT-a lovely potential vector for malware!Ĭuriously, I made this check after applying the Feb 19 macOS 10.13.5 security update. The numerous critical security bugs that Apple has spawned by calendar-driven releases is truly ugly to behold. ![]() The install process should ensure a working system and verify all security configuration. * Reinstalling over existing system, not erase and install.
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