We are pleased to announce that RootsMagic 7 is now available for Apple computers running macOS 10.15 Catalina. When Catalina was released last October, it required all applications to be 64-bit applications. This, unfortunately, broke the wrapper that allowed RootsMagic to run on macOS. While users with previous version of macOS could still use RootsMagic, users who had upgraded to Catalina found that RootsMagic (and many other software applications) stopped working.

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After much work and testing, the wrapper for RootsMagic 7 has been updated to 64-bit that allows it to run on Catalina, as well as prior versions of macOS.

How to Install macOS on a PC Using the Installation USB. After you have successfully created your macOS installation USB, you will need to remove it from your Mac and plug it into the PC that you want to turn into a Hackintosh. Apple helps you keep your Mac secure with software updates. The best way to keep your Mac secure is to run the latest software. When new updates are available, macOS sends you a notification — or you can opt in to have updates installed automatically when your Mac is not in use. MacOS checks for new updates every day and starts applying them in the background, so it’s easier and faster.

Users who installed a previous version of RootsMagic 7 on their Mac should uninstall RootsMagic before installing the new wrapper. Full instructions are found here.

Those users that are installing RootsMagic 7 on their Mac for the first time may download it here.

RootsMagic 8

In addition to the updated wrapper for RootsMagic 7, we are hard at work finishing up RootsMagic 8. Version 8 is a fully-native, 64-bit macOS application and runs great on macOS Catalina. Keep watching for more news about RootsMagic 8.

Code dive You can bypass Apple's space-age security, and gain administrator-level privileges on an OS X Yosemite Mac, using code that fits in a tweet.

Yosemite, aka version 10.10, is the latest stable release of the Mac operating system, so a lot of people are affected by this vulnerability. The security bug can be exploited by a logged-in attacker, or malware on the computer, to gain total unauthorized control of the Mac. The vulnerability is documented here by iOS and OS X guru Stefan Esser.

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It's all possible thanks to an environment variable called DYLD_PRINT_TO_FILE that was added in Yosemite. It specifies where in the file system a component of the operating system called the dynamic linker can log error messages.

If the environment variable is abused with a privileged program, an attacker can modify arbitrary files owned by the powerful user account root – files like the one that lists user accounts that are allowed administrator privileges.

Here's the titchy root-level privilege-escalation exploit, devised yesterday by Redditor Numinit:

echo 'echo '$(whoami) ALL=(ALL) NOPASSWD:ALL' >&3' DYLD_PRINT_TO_FILE=/etc/sudoers newgrp; sudo -s # via reddit: numinit (shorter)

— Stefan Esser (@i0n1c) July 22, 2015

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These shell commands run whoami to output your username (eg: vulture) and then tacks 'ALL=(ALL) NOPASSWD:ALL' on the end to form a line like:

It then outputs that line to the file specified by DYLD_PRINT_TO_FILE, which in this case is the list of users who can gain root-level privileges: /etc/sudoers. That line tells OS X that your user account is allowed to gain root privileges without a password.

A privileged program – the root-owned set-uid executable newgrp – is run to provide the root-level access to the sudoers file. Finally, sudo -s is executed to open an interactive command-line shell, which will have root-level privileges for your user account thanks to the update to the sudoers file. From there you can do anything you like; modify documents, install malware, create new users, and so on.

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This flaw is present in the latest version of Yosemite, OS X 10.10.4, and the beta, version 10.10.5. If you upgrade to the El Capitan beta (OS X 10.11), you'll be free from the vulnerability as Apple has already fixed it in that preview beta. Once again, if you keep up with Cupertino and install (or buy) the very latest stuff, you'll be rewarded.

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Failing that, you can install Esser's SUIDGuard to protect your Mac. 'Apple ships fixes for security in beta versions of future products, but does not fix current versions,' Esser noted. ®