Microsoft Discovered New 'Powerdir' macOS Vulnerability, Fixed in 12.1 Update
Microsoft's 365 Defender Research Team this morning published details on a new "Powerdir" macOS vulnerability that let an attacker bypass the Transparency, Consent, and Control technology to gain unauthorized access to protected data.

Apple already addressed the CVE-2021-30970 vulnerability in the macOS Monterey 12.1 update that was released in December, so users who have updated to the latest version of Monterey are protected. Those who have not done so should update. Apple in its security release notes for the 12.1 update confirmed the TCC vulnerability and credited Microsoft with its discovery.
According to Microsoft, the "Powerdir" security flaw could allow a fake TCC database to be planted. TCC is a long running macOS function that lets users configure the privacy settings of their apps, and with the fake database, a malicious person could hijack an app installed on a Mac or install their own malicious app, accessing the microphone and camera to obtain sensitive info.
Microsoft has a detailed outline of how the vulnerability works, and the company says that its security researchers continue to "monitor the threat landscape" to discover new vulnerabilities and attacker techniques that affect macOS and other non-Windows devices.
"Software vendors like Apple, security researchers, and the larger security community, need to continuously work together to identify and fix vulnerabilities before attackers can take advantage of them," wrote Microsoft's security team.
Popular Stories
Multiple rumors have suggested that the next-generation iPhone 15 models will adopt the Wi-Fi 6E standard that Apple has already introduced in the iPad Pro and MacBook Pro, and now a leaked document appears to confirm Apple's plans.
Sourced from researcher and Apple leaker Unknownz21 (@URedditor), the document features diagrams of the iPhone 15's antenna architecture. D8x refers to the...
Apple's next-generation iPhone 15 Pro and iPhone 15 Pro Max are expected to be announced in September as usual. Already, rumors suggest the devices will have at least eight exclusive features not available on the standard iPhone 15 and iPhone 15 Plus.
An overview of the eight features rumored to be exclusive to iPhone 15 Pro models:A17 chip: iPhone 15 Pro models will be equipped with an A17...
Following last week's hardware announcements, this week saw the actual release of several of the new products as well as operating system updates bringing new features and bug fixes across Apple's platforms.
This week also saw some fresh rumors about the iPhone 15 lineup and Apple's upcoming AR/VR headset, while we shared some tips to help you get the most of your macOS experience, so read...
In June 2022, Apple previewed the next generation of CarPlay, promising deeper integration with vehicle functions like A/C and FM radio, support for multiple displays across the dashboard, personalization options, and more.
Apple says the first vehicles with support for the next-generation CarPlay experience will be announced in late 2023, with committed automakers including Acura, Audi,...
New 14-inch and 16-inch MacBook Pro models with the latest M2 Pro and M2 Max chips are available in Apple retail stores and are already in the hands of customers, and we picked up one of the new M2 Max machines to answer all of the questions MacRumors readers considering a purchase might have.
Subscribe to the MacRumors YouTube channel for more videos. Yesterday, we asked MacRumors fans on...
The upcoming iPhone 15 models that are set to be introduced later in 2023 will adopt the Wi-Fi 6E standard, according to Apple analyst Ming-Chi Kuo. In a note about Apple's work on a Wi-Fi chip, Kuo said that the company will upgrade the iPhone 15 to Wi-Fi 6E.
Apple is already using Wi-Fi 6E for the 11 and 12.9-inch iPad Pro models introduced last year, along with the new Mac mini and...
The iPhone 15 will support Wi-Fi 6E, according to a research note shared this week by Barclays analysts Blayne Curtis and Tom O'Malley. The analysts did not specify whether the feature will be available on all models or limited to the Pro models.
Apple has added Wi-Fi 6E support to a handful of devices so far, including the latest 11-inch and 12.9-inch iPad Pro, 14-inch and 16-inch MacBook...
Top Rated Comments
Apple can do a better job of letting us know when an OS is actually no longer supported.
[TABLE]
[TR]
[TD]
A logic issue was addressed with improved state management. This issue is fixed in macOS Monterey 12.1, macOS Big Sur 11.6.2. A malicious application may be able to bypass Privacy preferences.[/TD]
[/TR]
[/TABLE]
So, it was back ported to Big Sur, but I dunno about Catalina or others.