macOS Big Sur 11.4 Addresses Vulnerability That Could Let Attackers Take Secret Screenshots
macOS Big Sur 11.4, which was released this morning, addresses a zero-day vulnerability that could allow attackers to piggyback off of apps like Zoom, taking secret screenshots and surrepetiously recording the screen.
Jamf, a mobile device management company, today highlighted a security issue that allowed Privacy preferences to be bypassed, providing an attacker with Full Disk Access, Screen Recording, and other permissions without a user's consent.
The bypass was actively exploited in the wild, and was discovered by Jamf when analyzing XCSSET malware. The XCSSET malware has been out in the wild since 2020, but Jamf noticed an uptick in recent activity and discovered a new variant.
Once installed on a victim's system, the malware was used specifically for taking screenshots of the user's desktop with no additional permissions required. Jamf said that it could be used to bypass other permissions as well, as long as the donor application the malware piggybacked off of had that permission enabled.
Jamf has a full rundown on how the exploit worked, and the company says that Apple addressed the vulnerability in macOS Big Sur 11.4, Apple confirmed to TechCrunch that a fix has indeed been enabled in macOS 11.4, so Mac users should update their software as soon as possible.
Apple changed the strategy for iOS 17 later in its development process to add several new features, suggesting that the update may be more significant than previously thought, Bloomberg's Mark Gurman reports.
In January, Gurman said that iOS 17 could be a less significant update than iPhone updates in previous years due to the company's intense focus on its long-awaited mixed-reality...
Following nearly six weeks of beta testing, iOS 16.4 is expected to be released to the public as soon as this week. The software update includes a handful of new features and changes for the iPhone 8 and newer. To install an iOS update, open the Settings app on the iPhone, tap General → Software Update, and follow the on-screen instructions.
Below, we have recapped eight new features and...
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Apple today released iOS 16.4, the fourth major update to the iOS 16 operating system that initially came out last September. iOS 16.4 comes two months after the launch of iOS 16.3, an update that added Security Keys for Apple ID.
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Apple showcased its mixed-reality headset to the company's top 100 executives in the Steve Jobs Theater last week, according to Bloomberg's Mark Gurman.
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Apple today released tvOS 16.4, the fourth major point update to the tvOS 16 operating system that came out last September. Available for the Apple TV 4K and Apple TV HD, tvOS 16.4 comes two months following the release of tvOS 16.3.
The tvOS 16.4 update can be downloaded over the air through the Settings app on the Apple TV by going to System > Software Update....
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PSA: The SSD disk write issues have been fixed in 11.4 which came out today. The person who found the issue in first place says it was a result of a kernel bug and he also says 11.4 addresses the issue.
Update to 11.4 if your on M1 macs.
Users on this thread also report lower disk writes on 11.4.