Source is a 3D game engine developed by Valve.It debuted as the successor to GoldSrc with Half-Life: Source in June 2004, followed shortly by Half-Life 2 in November, and has been in active development since. Source does not have a concise version numbering scheme; instead, it is designed in constant incremental updates. The engine began to be phased out by the late 2010s, with Source 2. Top 10 Best Games for Mac OS X Ian Miles Cheong / Features / It used to be that Mac users were a relatively small group, mostly composed of A/V nerds and graphic designers.

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Photo by Luca Bravo on Unsplash

Update: Apple has released an update that fixes this security vulnerability. See https://support.apple.com/en-us/HT208315 for more information.

A developer in Turkey recently tweeted about a significant security vulnerability in macOS High Sierra

For those who don’t know, the “root” user exists on all Mac and Linux boxes and is the ultimate super user. There’s nothing that root cannot do. Getting access to the root user is considered the ultimate goal when trying to compromise a computer, whether that’s locally or remotely through the Internet or local intranet. Getting unauthorized access to the root user is a bad, bad thing.

As such, our first thought was no, that can’t possible be true, but sure enough it was as trivially reproducible given the steps provided in the tweet. Even worse, it’s possible to sign in as root from the login screen with no password whatsoever (you’ll end up logged in as “System Administrator”)! How could such a thing happen?

Well I don’t have an answer for how but we were able to figure out what is happening. By default the root account is supposed to be disabled, but by default the root user also has a blank password. For some reason, the system is first enabling the root user (which is supposed to be disabled by default) then doing a password check. With no set password, submitting a blank password matches and you’re in.

There is an easy fix: set the root user’s password. There are two ways of going about this, the command line via Terminal, iTerm, and the like, or through the Directory Utility tool.

On the command line, you can set your computer’s root password thus:

This will first ask you for your current account password (as with any use of sudo or an installer). Then you’ll be asked to enter a new password twice.

Alternatively, in Directory Utility, you’ll need to unlock administrator changes (which can be done with “root” and no password here too!):

Once unlocked, go to Edit and Change Root Password. Enter in the new password twice.

Disabling the root account will not close this hole because the system insists on re-enabling the account as soon as a log in as “root” is attempted.

With an explicit password set, you’re now protected against this vulnerability.

Comments

1. Have you informed Apple through the proper security disclosure channels? Not great practise to broadcast this to the world before giving them a chance to fix it.

2. Paul: I agree with you that blasting this across Twitter was not the best way of disclosing this issue. However, we did not originally disclose this bug. Once the tweet went live, the window for responsible disclosure unfortunately ended. With that, I am just providing information here on how to fix your machine before Apple gets a fix in themselves.

3. This article is useful to each and every Mac user. I’m thankful for that.

4. This article is useful to each and every Mac user. I’m thankful for that.

5. How to Protect the root user on macOS High Sierra you share is quite meticulous and easy to understand. I will install it shortly. thank you very much.

A downloadable game for Windows and macOS

🕸️👻 Enter a giant spooky maze that resets everyday. 👻🕸️

🐁🐁 Everyone is stuck in the same maze. 🐁🐁

💩💩 Leave poops behind in the maze to communicate with other mice/players.

---------------- tips ---------------

There is an NPC in the starting area that tells you in which direction the end is.

South = bottom left

North = top right

West = top left

East = bottom right

---------------- controls ---------------

• Arrow keys / WASD to walk
• Z or left mouse button to use item
• X or right mouse button to poop
• Mouse scroll wheel or TAB to change item
• Q + E to change poop message type

---------------- features ---------------

• Asynchronous online multiplayer
• Online leaderboards
• Find different items
• Fight scary spiders and mystical moths
• A lot of poop

made for the Sokpop Patreon

---------------- help ---------------

Windows - Shader error? / only see a black screen / other graphical issues?

• You probably don't have DirectX yet or you are missing a driver either way. You can download the necessary driver for free with this link: https://www.microsoft.com/en-us/download/details.aspx?displaylang=en&id=35

Mac OS X - Unable to find game?

• This is an issue we're having with OS X. Move the game to a different folder and then run the game again. This usually fixes it!

Purchase

In order to download this game you must purchase it at or above the minimum price of $3 USD. You will get access to the following files:

Development log

• v1.2 update
  Oct 30, 2018

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Dead Run (sokpop Collective) Mac Os Download

Dead Run (sokpop Collective) Mac Os Update

Dead Run (sokpop Collective) Mac Os Catalina

Dead Run (sokpop Collective) Mac Os X