Trending December 2023 # Apple @ Work: Accessory Security Comes To The Mac With Macos Ventura # Suggested January 2024 # Top 13 Popular

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If you watch any movie that involves hacking or cyber crime, you’ll likely see the root of the breach as a result of some accessory plugged into a computer. Apple certainly doesn’t want macOS to be at the center of a real-life breach, so accessory management is getting an overhaul in macOS Ventura. Let’s look at macOS accessory security, and how Apple is implementing it for its device management partners.

iOS and iPadOS have had strong accessory security for many years now. Even for a device that might rarely use an accessory, Apple included a strong security posture for accessories from the beginning. With macOS Ventura, the Mac is gaining a similar approach to security. If you’re running the betas of macOS Ventura, you’ve likely already seen the popup when you plug up your iPhone, a USB flash drive, or other accessories. This feature prevents USB and Thunderbolt devices from being connected without end-user approval.

The default behavior asks for new accessories, but Apple allows changing the default. Here are the four options you have for macOS accessory security:

Ask for new accessories

Ask every time (Most secure)

Automatically connect when unlocked

Always (Lease secure)

I’ll likely only have macOS ask for new accessories for my personal Mac. One thing I noticed during my testing is that after updating to the latest iOS 16 beta on my iPhone, macOS seemed to think it was a brand-new device. I am not sure if that’ll be the final behavior for the release version. I suspect that is likely a bug.

macOS admins will be pleased to note that they’ll have complete control over this setting for their fleets of Macs. The allowUSBRestrictedMode restriction that is currently available for iOS is being extended to support macOS with macOS 10.13

Summary on macOS Accessory Security

While my use of macOS accessories goes down by the year, it’s still essential for Apple to enhance the security around the use of them. The fact that it’s not as common of a use case as it might have been in years past is all the more reason to lock down the feature even more. I believe that most enterprises will default to “Ask every time.” I mainly use the ports on my Mac to either plug in an external monitor or charge my iPhone – neither of those allows macOS to allow a connection to the device. It reminds me of the times I’ve plugged up my iPhone to an airplane USB port to charge and get the pop-up to allow a connection. I don’t know why an airplane USB system would need access to my device, but the very fact that it would ask is why I am glad Apple is taking a proactive approach with macOS Accessory Security. macOS Ventura will be available as a free download later this fall.

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Top 5 Easy Ways To Speed Up Macos Ventura

Top 5 Easy Ways To Speed Up macOS Ventura Here’s How To Speed Up macOS Ventura

1. Stop Applications/Programs To Launch Automatically At Startup

Examine the number of starting apps on your macOS Ventura Mac if you discover that it takes a while for it to boot up. You may have several more automated app launches than you actually need. Some apps offer the choice to run automatically after installation. Turn off login elements to speed up your macOS Ventura:

Open the “Apple Menu” and choose “System Preferences.”

Under system preferences, choose “Users & Groups.”

Now head over to the “Login Items” tab and here you will find a list of all startup applications/programs there.

Press the Minus “-” button after selecting the things you wish to get rid of. To save changes, press the “Lock” symbol again.

2. Disable CPU & Memory Intensive Programs/Applications

Activity Monitor, a built-in software on Macs, that allows you to keep an eye on CPU, memory, and storage usage. The program shows which processes are running and how much Memory/RAM each one is utilizing.

Press the “Command” key with the key “Spacebar” to open the “Spotlight.”

Now search for “Activity Monitor” in the spotlight and open it.

Now select the “Memory” tab in the activity monitor window.

The Memory tab shows a list of all currently active processes and their RAM usage.

Closing the memory-intensive apps will help to speed up macOS Ventura.

Perform the same action for the “CPU” tab also.

3. Clear Cache Memory

Your MacBook stores extra temporary caches as well as logs the more operations you perform on it. Your Mac will ultimately run faster if you delete all of these unnecessary files.

Use these steps to manually remove cache memory:

Now browse these folders: – ~/Library/Caches & /Library/Caches

Remove cache files by going into each subdirectory of the Cache directories.

4. Clean Your Desktop

From the menu bar, choose “Finder Preferences.”

Now select the “Sidebar” tab.

Close Preferences after choosing what to display in the Finder sidebar.

After that, just simply drag the files from the Desktop area into the appropriate Finder directories. You may organize your files/documents into as several groups/folders as you like for easy access.

Read Also: How To Uninstall Programs On A Mac-2023

5. Check Your Internet/Wi-fi Connection

Or you can call your Internet service provider for poor and slow internet connection.

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To Wrap This Up

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About the author

Sourabh Baghel

Macos Monterey Problems – Fixing Issues With Macos 12

Difficulties with new system software versions seem to always occur for a small subset of unfortunate users, and MacOS Monterey is no different. While MacOS Monterey has installed fine for most users, for an unlikely group, there may be a variety of problems or issues experienced with MacOS Monterey.

Problems with MacOS Monterey & How to Fix Them

Let’s check out some known issues with MacOS Monterey, along with some troubleshooting tips to resolve the problems.

MacOS Monterey Not Showing as Available, “Unable to Check for Updates” Error, etc

If MacOS Monterey is not showing as available to download in Software Update as expected, it may be because of several reasons, both of which are typically easy to determine and remedy.

The Mac is incompatible with MacOS Monterey – you can check a list of macOS Monterey compatible Macs here if you are not sure

There is a temporary hiccup in communicating with the Apple update servers – confirm that wi-fi is on and you have internet access, then refresh the Software Update control panel by hitting Command+R

If you know you’re on a compatible Mac, and Software Update is still not showing Monterey as available, you can also find a direct download link for MacOS Monterey chúng tôi here, which will place the full installer within your /Applications/ folder.

MacOS Monterey Feels Slow

Some Mac users may feel that MacOS Monterey is running slower than a prior macOS release they had installed. This is fairly common after any major system software update, because after installing a new OS a variety of maintenance and indexing tasks are kicked off in the background to do things like rebuild the Spotlight search index and reindex photos.

If the Mac feels slow after updating to MacOS Monterey, the best thing you can do is simply leave the Mac turned on and wait. You can typically speed up the indexing process by leaving the Mac on and idle with the screen off, perhaps overnight. Performance should recover within a day or two, depending on the amount of data to index.

Wi-Fi Dropping or Not Working as Expected with MacOS Monterey

Wi-fi issues seem to happen with some regularity to a subset of users with any system software update. From wi-fi dropping connections, to slow speeds, to other wi-fi abnormalities, all manner of wi-fi problems can crop up for some users after updating system software.

Fortunately wi-fi problems are typically one of the simplest issues to resolve, and often simply trashing current wi-fi preferences, rebooting, and then rejoining a wi-fi network is enough to resolve the problem.

Bluetooth Dropping, Not Connecting with MacOS Monterey

Some users have found that MacOS Monterey drops bluetooth connections for some devices.

Sometimes simply disconnecting and then reconnecting the Bluetooth Device from the Mac will resolve the problem.

Also, be sure the batteries on the Bluetooth devices are fully charged, or if they’re swappable are fresh. Often Bluetooth randomly disconnects due to batteries being low, so charging the batteries of the device that is problematic is a simple solution.

If you know the batteries are charged, another trick is to remove the Bluetooth Device from the Mac, reboot the Mac, then add and pair the Bluetooth Device to the Mac again. Yes that’s a little tedious but it tends to resolve these issues.

If all else fails, you can often fix Bluetooth errors by trashing the preferences.

You can also reset your Bluetooth module with the following command entered at the Terminal:

sudo pkill bluetoothd

MacOS Monterey Won’t Download or Install

Some users are experiencing issues even earlier in the update process, where macOS Monterey won’t download, an incomplete installer has downloaded, or MacOS Monterey won’t install at all.

Typically these sort of issues can be resolved by dumping the current installer, rebooting the Mac, and then redownloading the full macOS Monterey installer either from System Preferences, the App Store, or by direct download of the chúng tôi file.

Some users may see an error stating “An error occurred while preparing the installation. Try running this application again.” If you see this error, try redownloading the installer and running it again. Note however if the Mac is using a third party non-Apple SSD, that particular error message may persist until a firmware update has been able to install with an official Apple SSD, more on that in a moment.

MacOS Monterey Won’t Install Onto Macs with Non-Apple SSD

Some Mac users who have replaced the built-in SSD drive on their Mac may find a peculiar “A required firmware update could not be installed” error message on the Mac running with a third party SSD.

There isn’t a great solution to this problem for the time being, but one solution is to replace the third party SSD with an Apple SSD again, install MacOS Monterey onto the Apple SSD, then replace the Apple SSD with the third party SSD again, and install MacOS Monterey onto there. This allows the firmware update to install onto the Mac, but it’s obviously a huge hassle because you have to physically swap out a hard drive several times.

Presumably this issue will be resolved in a future MacOS Monterey update.

Additional info can be found at the tinyapps blog.

“Your System Has Run Out of Application Memory” Error and Memory Leaks with Monterey

Some Mac users running MacOS Monterey have discovered issues with runaway memory usage. This is not subtle if you are impacted by it, because you will receive a pop-up error informing you “Your System Has Run Out of Application Memory” and offering a Force Quit menu with memory usage shown to quit out of offending apps with.

In the most absurd examples, apps like Mail, Pages, Final Cut, Brave, or Firefox are consuming 80GB of memory (in the form of swap), rendering the Mac and the application basically useless and nonfunctional. Sometimes system apps and tasks are running into this issue as well, like Control Center, FaceTime, or Notifications.

Some reports indicate that using a custom cursor size or color in macOS may cause the memory leaks, therefore if you are using any customizations to the Mac cursor, it would be a good idea to reset those back to default for the time being.

One temporary solution to this is to quit out of the memory hogging app, then rebooting. The “system out of memory” error may appear again after some time, in which case again quitting and rebooting is the temporary solution.

Sometimes, the Mac becomes completely unusable by the memory leak, requiring a hard forced reboot (pressing and holding the power button).

Alternatively, you could try using a different app with the same functionality, for example using Safari instead of Firefox.

This is obviously some type of bug that will certainly be resolved in a future macOS Monterey update, and perhaps updates to individual apps as well.

MacOS Monterey Rendering Some Macs Unusable / Unbootable / Bricked

We first received reports of this bricking Mac problem on the day that macOS Monterey was released, but assumed they were a fluke. Since then, the reports have been more frequent, and more covered in other Apple resources online, suggesting the issue is more widespread than a rare fluke.

It’s not entirely clear what the issue is with this, but it’s presumed to be a failure of a firmware update during the MacOS Monterey installation.

Unfortunately there is no known fix or resolution to this issue, except for contacting Apple Support and having them start a repair.

This is obviously a bug or some other issue with the MacOS Monterey installer, and will certainly be resolved in a future update.

Though this problem is not common, it is also not so exceptionally rare that it should be discounted entirely. If your Mac is mission critical, you may want to hold off on updating to MacOS Monterey until this particular issue is resolved.

Update 11/5/2023: Apple has acknowledged this issue with T2 Macs and apparently resolved the firmware issue. For anyone who is currently impacted by this problem, impacted users are told to contact Apple Support for assistance, according to MacRumors.

“Volume Hash Mismatch detected on volume. macOS should be reinstalled” Error

A fair number of macOS Monterey users have reported a curious error message that states: “Volume Hash Mismatch – Hash mismatch detected on volume disk1s5. macOS should be reinstalled on this volume.” or some variation of that error message.

Often the “Volume Hash Mismatch” error appears after a major system crash, kernel panic, and reboot.

Some Mac users have discovered their Mac becomes increasingly unstable after they have experienced this error message.

For some users, reinstalling macOS fixes the issue.

Reinstalling macOS does not resolve the error for everyone however, which makes it even more curious.

Using Disk First Aid also does not seem to make a difference.

Downgrading to macOS Big Sur does appear to do away with the error, but that’s not a reasonable option for most users.

It’s unclear what the cause of this error is or what will ultimately resolve it, perhaps a future macOS Monterey version.

USB-C Hubs Stopped Working with MacOS Monterey

Some Mac users discovered that some USB-C hubs stop working after updating to MacOS Monterey, or they may work sporadically, frequently disconnecting, or only some of the USB-C hub ports are working.

Curiously, some users who are impacted by this find that switching USB-C cables, using a shorter USB-C cable, or changing ports on the Mac can resolve the issue.

“A required firmware update could not be installed” Error During macOS Monterey Update

The “A required firmware update could not be installed” update is typically associated with using a Mac that was upgraded with a third party SSD, or on a Mac where MacOS Monterey is attempted to install on an external SSD.

Variations of this error may phrase different error messages, like:

“Compatible internal storage is required in order to update.”


“An error occurred while preparing the installation. Try running this application again.”


“A required firmware update could not be installed.”

Sometimes simply attempting to reinstall macOS Monterey will resolve this issue.

In some cases, where the problem is associated with a third party SSD installed on a Mac, the current workaround is to switch the SSD back to the Apple SSD, install MacOS Monterey onto that, then switch back to the third party SSD, then install macOS Monterey again. A hassle, certainly.

Adobe Photoshop Elements Not Working, Freezes with MacOS Monterey

Many users report that Adobe Photoshop Elements may freeze upon launch, crash, or not open at all.

This is presumably going to be fixed by Adobe in a future software update released by them.

Apps Crashing, Freezing, Not Working as Expected in macOS Monterey

Some third party apps are experiencing issues with MacOS Monterey, whether the apps crash, freeze, or otherwise don’t work as expected.

For third party apps that are experiencing incompatibility with MacOS Monterey, updating apps regularly, and/or reaching out to the app developer is the best course of action.

Part of the purpose of Apple’s beta software period is for app developers to get their apps compatible and ready to function as intended with the new macOS system software and whatever architectural changes are made in it. For some developers, this process can take longer than others, and some apps may be incompatible with the latest MacOS Monterey release because of that.


Here Comes The Nightingale


At this point, there is no official package to install it properly on your computer. However, you can download the latest release here, extract it, and run it by launching

If you really want something that looks more like a proper installation, you can use a script found on Ubuntu Forum:








xjvf Nightingale_1.11.0-
























Nightingale nightingale

for a 32-bit architecture, or








xjvf Nightingale_1.11.0-
























Nightingale nightingale

for a 64-bit architecture.

Notice that these scripts may change depending on your distribution or the version of Nightingale that you want to install. And after that, you will have to manually add a launcher on your desktop referring to the command

nightingale Features

As I said earlier, Songbird was a very powerful audio player. It integrated a web browser, syncing capabilities, themes, add-ons, etc. The good thing is that Nightingale directly inherits all of these features. You have an extended playlist management tool, a built-in syncing add-on, an automatic cover fetcher…anything you need to manage your library. And as much as I hate comparing it to iTunes, Nightingale already offers a real alternative to Apple’s software.

The interface while playing a song is quite developed: album display with its cover, lyrics, playlist, etc.

You can install an extension for a cover-flow like in iTunes.

You have access to all of the shoutcast radio.

The add-on mashtape puts all the information about the current track in one box.

The extensions and themes are easily manageable.

What it lacks

As much as I admire the Nightingale Community for such a great result, there are still a couple of things that could be done to enhance the Nightingale experience:

 More add-ons. So far, the team ported a couple of extensions from Songbird, but there are still a lot that we would like to use and that are not available yet. The same applies to feathers, or themes, with only two different versions available.

 A better cover fetcher. I really like the cover fetcher in Amarok; it’s the main reason for using it right now. If Nightingale could bring in something similar, it would be perfect. It is really fancy to be able to select the source of the cover and the actual picture in a small navigator like in Amarok.

 The iPod sync did not seem to work for me.

 There are still a couple of bugs left like the sound going back to 50% between each track.


As I’ve said, this version is already very promising. We can only hope for the last bugs to be corrected quickly, and maybe an official package will come for the distributions. I can only express my admiration for the Nightingale Community, and for the work they have done so far. And they are currently searching for help, so if you were seduced, don’t hesitate to contact them.


Adrien is a young but passionate Linux aficionado. Command line, encryption, obscure distributions… you name it, he tried it. Always improving his system, he encountered multiple tricks and hacks and is ready to share them. Best things in the world? Math, computers and peanut butter!

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Apple Is Updating The Iwork App Icons In Macos 12 Monterey

Sometime in the near future, Apple is going to launch the next major update to its desktop operating system. With macOS 12 Monterey, the company is welcoming plenty of changes to the software. Including some tweaks to the user interface and overall aesthetic. And that will apparently be the case for the iWork app icons as well.

As noted today by MacRumors, Apple is making some changes to the app icons associated with its suite of apps under the iWork umbrella. Apple will be tweaking the design of the app icons for Pages, Numbers, and Keynote. These aren’t massive changes by any means, and Apple is leaning more towards inspiration from iOS than anything else here. But the publication was able to discover the new app icons within the framework of the latest beta of macOS Monterey, showing the new changes ahead of the public launch.

Not that we have all that much longer to wait before the wide launch of the upcoming software update. Apple is launching macOS 12 Monterey to the public this fall. Which, if the past is any indicator, will probably be before the end of September. You can see the new app icons just below.

The images are small because of where they were discovered, and what they will be used for. According to the publication, these app icons are what will be shown when sharing in other apps, like iMessage. It’s interesting that Apple still hasn’t decided to give these app icons a universal look across macOS and iOS yet, instead opting to still make them different from one another. Maybe that’s just part of the whole, “We’re not combining iOS and macOS” and really leaning into the idea.

In any event, the new app icons show off an overall flat design, and adopt the solid color backgrounds like we see on iOS. But that’s where the specific similarities end. For instance, the Pages app icon here in macOS 12 Monterey offers a more realistic looking pen, rather than the Apple Pencil-styled icon that’s present in iOS. It’s a vast change compared to the current Pages app icon found in macOS Big Sur, though. That app icon still has the ruled paper in the background.

Here’s a look at the current macOS Big Sur iWork app icons, just in case it’s been a while since you’ve looked at them:

Next, the Numbers app icon in macOS Monterey looks similar to what’s present in iOS right now, with its white graph bars. There are some subtle shadows to the app icon. Again, this is a departure from what’s present in the current public version of macOS, with the Numbers app icon showing off multi-colored bars and graph paper in the background. Finally, the Keynote app icon tweaks the graph on the stand itself, but the background is different compared to the macOS Big Sur app icon.

While Apple is obviously inspired by the iOS app icons, it’s not quite the same. Still, it’s better than the current difference between the app icons between desktop and mobile, at least.

What do you think of the new app icons?

The January 2023 Patch Tuesday Comes With A Whopping 98 Updates

The January 2023 Patch Tuesday comes with a whopping 98 updates




Microsoft is not taking these vulnerabilities lightly and working hard to fix them.

As a result, January 2023 came with a huge number of security dedicated patches.

Check out everything there is to know about this Patch Tuesday release right here.

The holidays are over and here we are, kicking off a new year of prosperity and possibilities. We hope you feel refreshed after your vacation because there’s a lot to catch up on.

As you know, it’s the second Tuesday of the month, which means that Windows users are looking towards Microsoft in hopes that some of the flaws they’ve been struggling with will finally get fixed.

We’ve taken the liberty of providing the direct download links for the cumulative updates released today for Windows 7, 8.1, 10, and 11, but now it’s time to talk CVEs again.

For January, Microsoft released 98 new patches, which is a lot more than some people were expecting right at the start of 2023.

These software updates address CVEs in:

Microsoft Windows and Windows Components

Office and Office Components

.NET Core and Visual Studio Code

3D Builder, Azure Service Fabric Container

Windows BitLocker

Windows Defender

Windows Print Spooler Components

Microsoft Exchange Server

Microsoft released 98 new important security patches

Seeing how December 2023 was a pretty light month in terms of security patches, developers had to pick up the slack in January, which is exactly what happened.

You might like to know that, out of the 98 new CVEs released, 11 are rated Critical and 87 are rated Important in severity.

Also, keep in mind that this volume is the largest we’ve seen from Microsoft for a January release in quite some time.

Out of all these vulnerabilities addressed this month, only one is listed as publicly known, and one is listed as being in the wild at the time of release.

Let’s take a closer look at the full list of CVEs released by Microsoft for January 2023:

CVETitleSeverityCVSSPublicExploitedTypeCVE-2023-21674Windows Advanced Local Procedure Call (ALPC) Elevation of Privilege VulnerabilityImportant8.8NoYesEoPCVE-2023-21549Windows Workstation Service Elevation of Privilege VulnerabilityImportant8.8YesNoEoPCVE-2023-21561Microsoft Cryptographic Services Elevation of Privilege VulnerabilityCritical8.8NoNoEoPCVE-2023-21551Microsoft Cryptographic Services Elevation of Privilege VulnerabilityCritical7.8NoNoEoPCVE-2023-21743Microsoft SharePoint Server Security Feature Bypass VulnerabilityCritical8.2NoNoSFBCVE-2023-21730Windows Cryptographic Services Remote Code Execution VulnerabilityCritical7.8NoNoEoPCVE-2023-21543Windows Layer 2 Tunneling Protocol (L2TP) Remote Code Execution VulnerabilityCritical8.1NoNoRCECVE-2023-21546Windows Layer 2 Tunneling Protocol (L2TP) Remote Code Execution VulnerabilityCritical8.1NoNoRCECVE-2023-21555Windows Layer 2 Tunneling Protocol (L2TP) Remote Code Execution VulnerabilityCritical8.1NoNoRCECVE-2023-21556Windows Layer 2 Tunneling Protocol (L2TP) Remote Code Execution VulnerabilityCritical8.1NoNoRCECVE-2023-21679Windows Layer 2 Tunneling Protocol (L2TP) Remote Code Execution VulnerabilityCritical8.1NoNoRCECVE-2023-21535Windows Secure Socket Tunneling Protocol (SSTP) Remote Code Execution VulnerabilityCritical8.1NoNoRCECVE-2023-21548Windows Secure Socket Tunneling Protocol (SSTP) Remote Code Execution chúng tôi Denial of Service VulnerabilityImportant7.5NoNoDoSCVE-2023-217803D Builder Remote Code Execution VulnerabilityImportant7.8NoNoRCECVE-2023-217813D Builder Remote Code Execution VulnerabilityImportant7.8NoNoRCECVE-2023-217823D Builder Remote Code Execution VulnerabilityImportant7.8NoNoRCECVE-2023-217843D Builder Remote Code Execution VulnerabilityImportant7.8NoNoRCECVE-2023-217863D Builder Remote Code Execution VulnerabilityImportant7.8NoNoRCECVE-2023-217913D Builder Remote Code Execution VulnerabilityImportant7.8NoNoRCECVE-2023-217933D Builder Remote Code Execution VulnerabilityImportant7.8NoNoRCECVE-2023-217833D Builder Remote Code Execution VulnerabilityImportant7.8NoNoRCECVE-2023-217853D Builder Remote Code Execution VulnerabilityImportant7.8NoNoRCECVE-2023-217873D Builder Remote Code Execution VulnerabilityImportant7.8NoNoRCECVE-2023-217883D Builder Remote Code Execution VulnerabilityImportant7.8NoNoRCECVE-2023-217893D Builder Remote Code Execution VulnerabilityImportant7.8NoNoRCECVE-2023-217903D Builder Remote Code Execution VulnerabilityImportant7.8NoNoRCECVE-2023-217923D Builder Remote Code Execution VulnerabilityImportant7.8NoNoRCECVE-2023-21531Azure Service Fabric Container Elevation of Privilege VulnerabilityImportant7NoNoEoPCVE-2023-21563BitLocker Security Feature Bypass VulnerabilityImportant6.8NoNoSFBCVE-2023-21536Event Tracing for Windows Information Disclosure VulnerabilityImportant4.7NoNoInfoCVE-2023-21753Event Tracing for Windows Information Disclosure VulnerabilityImportant5.5NoNoInfoCVE-2023-21547Internet Key Exchange (IKE) Protocol Denial of Service VulnerabilityImportant7.5NoNoDoSCVE-2023-21724Microsoft DWM Core Library Elevation of Privilege VulnerabilityImportant7.8NoNoEoPCVE-2023-21764Microsoft Exchange Server Elevation of Privilege VulnerabilityImportant7.8NoNoEoPCVE-2023-21763Microsoft Exchange Server Elevation of Privilege VulnerabilityImportant7.8NoNoEoPCVE-2023-21761Microsoft Exchange Server Information Disclosure VulnerabilityImportant7.5NoNoInfoCVE-2023-21762Microsoft Exchange Server Spoofing VulnerabilityImportant8NoNoSpoofingCVE-2023-21745Microsoft Exchange Server Spoofing VulnerabilityImportant8NoNoSpoofingCVE-2023-21537Microsoft Message Queuing (MSMQ) Elevation of Privilege VulnerabilityImportant7.8NoNoEoPCVE-2023-21732Microsoft ODBC Driver Remote Code Execution VulnerabilityImportant8.8NoNoRCECVE-2023-21734Microsoft Office Remote Code Execution VulnerabilityImportant7.8NoNoRCECVE-2023-21735Microsoft Office Remote Code Execution VulnerabilityImportant7.8NoNoRCECVE-2023-21741Microsoft Office Visio Information Disclosure VulnerabilityImportant7.1NoNoInfoCVE-2023-21736Microsoft Office Visio Remote Code Execution VulnerabilityImportant7.8NoNoRCECVE-2023-21737Microsoft Office Visio Remote Code Execution VulnerabilityImportant7.8NoNoRCECVE-2023-21738Microsoft Office Visio Remote Code Execution VulnerabilityImportant7.1NoNoRCECVE-2023-21744Microsoft SharePoint Server Remote Code Execution VulnerabilityImportant8.8NoNoRCECVE-2023-21742Microsoft SharePoint Server Remote Code Execution VulnerabilityImportant8.8NoNoRCECVE-2023-21681Microsoft WDAC OLE DB provider for SQL Server Remote Code Execution VulnerabilityImportant8.8NoNoRCECVE-2023-21725Microsoft Windows Defender Elevation of Privilege VulnerabilityImportant6.3NoNoEoPCVE-2023-21779Visual Studio Code Remote Code Execution VulnerabilityImportant7.3NoNoRCECVE-2023-21768Windows Ancillary Function Driver for WinSock Elevation of Privilege VulnerabilityImportant7.8NoNoEoPCVE-2023-21539Windows Authentication Remote Code Execution VulnerabilityImportant7.5NoNoRCECVE-2023-21752Windows Backup Service Elevation of Privilege VulnerabilityImportant7.1NoNoEoPCVE-2023-21733Windows Bind Filter Driver Elevation of Privilege VulnerabilityImportant7NoNoEoPCVE-2023-21739Windows Bluetooth Driver Elevation of Privilege VulnerabilityImportant7NoNoEoPCVE-2023-21560Windows Boot Manager Security Feature Bypass VulnerabilityImportant6.6NoNoSFBCVE-2023-21726Windows Credential Manager User Interface Elevation of Privilege VulnerabilityImportant7.8NoNoEoPCVE-2023-21540Windows Cryptographic Information Disclosure VulnerabilityImportant5.5NoNoInfoCVE-2023-21550Windows Cryptographic Information Disclosure VulnerabilityImportant5.5NoNoInfoCVE-2023-21559Windows Cryptographic Services Information Disclosure VulnerabilityImportant6.2NoNoInfoCVE-2023-21525Windows Encrypting File System (EFS) Denial of Service VulnerabilityImportant5.9NoNoDoSCVE-2023-21558Windows Error Reporting Service Elevation of Privilege VulnerabilityImportant7.8NoNoEoPCVE-2023-21552Windows GDI Elevation of Privilege VulnerabilityImportant7.8NoNoEoPCVE-2023-21532Windows GDI Elevation of Privilege VulnerabilityImportant7NoNoEoPCVE-2023-21542Windows Installer Elevation of Privilege VulnerabilityImportant7NoNoEoPCVE-2023-21683Windows Internet Key Exchange (IKE) Extension Denial of Service VulnerabilityImportant7.5NoNoDoSCVE-2023-21677Windows Internet Key Exchange (IKE) Extension Denial of Service VulnerabilityImportant7.5NoNoDoSCVE-2023-21758Windows Internet Key Exchange (IKE) Extension Denial of Service VulnerabilityImportant7.5NoNoDoSCVE-2023-21527Windows iSCSI Service Denial of Service VulnerabilityImportant7.5NoNoDoSCVE-2023-21755Windows Kernel Elevation of Privilege VulnerabilityImportant7.8NoNoEoPCVE-2023-21754Windows Kernel Elevation of Privilege VulnerabilityImportant7.8NoNoEoPCVE-2023-21747Windows Kernel Elevation of Privilege VulnerabilityImportant7.8NoNoEoPCVE-2023-21748Windows Kernel Elevation of Privilege VulnerabilityImportant7.8NoNoEoPCVE-2023-21749Windows Kernel Elevation of Privilege VulnerabilityImportant7.8NoNoEoPCVE-2023-21772Windows Kernel Elevation of Privilege VulnerabilityImportant7.8NoNoEoPCVE-2023-21773Windows Kernel Elevation of Privilege VulnerabilityImportant7.8NoNoEoPCVE-2023-21774Windows Kernel Elevation of Privilege VulnerabilityImportant7.8NoNoEoPCVE-2023-21675Windows Kernel Elevation of Privilege VulnerabilityImportant7.8NoNoEoPCVE-2023-21750Windows Kernel Elevation of Privilege VulnerabilityImportant7.1NoNoEoPCVE-2023-21776Windows Kernel Information Disclosure VulnerabilityImportant5.5NoNoInfoCVE-2023-21757Windows Layer 2 Tunneling Protocol (L2TP) Denial of Service VulnerabilityImportant7.5NoNoDoSCVE-2023-21557Windows Lightweight Directory Access Protocol (LDAP) Denial of Service VulnerabilityImportant7.5NoNoDoSCVE-2023-21676Windows Lightweight Directory Access Protocol (LDAP) Remote Code Execution VulnerabilityImportant8.8NoNoRCECVE-2023-21524Windows Local Security Authority (LSA) Elevation of Privilege VulnerabilityImportant7.8NoNoEoPCVE-2023-21771Windows Local Session Manager (LSM) Elevation of Privilege VulnerabilityImportant7NoNoEoPCVE-2023-21728Windows Netlogon Denial of Service VulnerabilityImportant7.5NoNoDoSCVE-2023-21746Windows NTLM Elevation of Privilege VulnerabilityImportant7.8NoNoEoPCVE-2023-21767Windows Overlay Filter Elevation of Privilege VulnerabilityImportant7.8NoNoEoPCVE-2023-21766Windows Overlay Filter Information Disclosure VulnerabilityImportant4.7NoNoInfoCVE-2023-21682Windows Point-to-Point Protocol (PPP) Information Disclosure VulnerabilityImportant5.3NoNoInfoCVE-2023-21760Windows Print Spooler Elevation of Privilege VulnerabilityImportant7.1NoNoEoPCVE-2023-21765Windows Print Spooler Elevation of Privilege VulnerabilityImportant7.8NoNoEoPCVE-2023-21678Windows Print Spooler Elevation of Privilege VulnerabilityImportant7.8NoNoEoPCVE-2023-21759Windows Smart Card Resource Management Server Security Feature Bypass VulnerabilityImportant3.3NoNoSFBCVE-2023-21541Windows Task Scheduler Elevation of Privilege VulnerabilityImportant7.8NoNoEoPCVE-2023-21680Windows Win32k Elevation of Privilege VulnerabilityImportant7.8NoNoEoP

Expert tip:

Furthermore, there are five patches for the Layer 2 Tunneling Protocol (L2TP), which was introduced back in Windows 2000.

Looking at the 25 code execution bugs fixed in this Patch Tuesday rollout, there are 14 fixes for the 3D Builder component.

There are also two fixes for SharePoint for RCE bugs that require authentication. However, every user by default has the permissions required to exploit these bugs.

We’re also looking at a couple of SQL-related fixes. Know that an attacker can execute code if they can convince an authenticated user into attempting to connect to a malicious SQL server via ODBC.

We also have to mention the fixes for 11 different information disclosure bugs this month, and seven of these merely result in info leaks consisting of unspecified memory contents.

This January release fixes 10 different Denial-of-Service (DoS) bugs, but Microsoft provides no real detail about these bugs, so it isn’t clear if successful exploitation results in the service stopping or the system crashing.

Two spoofing bugs in the Exchange server also received critical fixes, although the descriptions imply a different impact.

While one notes that successful exploitation could disclose NTLM hashes, the other is about an authenticated attacker could achieve exploitation given a Powershell remoting session to the server.

Nonetheless, make sure you update your Exchange server to ensure you remediate the multiple bugs being fixed this month.

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