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Apple today released macOS Big Sur 11.2.1 to the public, alongside supplemental updates for macOS Catalina 10.15.7 and macOS Mojave 10.14.6. In addition to a fix for MacBook Pro charging issues, the update also brings a notable security fix for a Sudo bug that was reported last week.
Mac users urged to update OS to fix 'massively bad' bug UnitingCare Queensland hit by cyber attack Telstra, Optus, TPG drop $650m on ultra-fast 5G spectrum at auction. Apple has also fixed the bug in Supplemental Updates made available for macOS Catalina 10.15.7 and macOS Mojave 10.14.6. Free fairytale games. The updates also include fixes for two bugs that could allow an app to. https://bestbfile561.weebly.com/free-jewel-case-insert-template-for-mac.html.
As we explained last week, the Sudo bug could allow an ordinary user to gain root access to a Mac, though an attacker would also need to combine with malware or a brute-force attack to gain user access in the first place. ZDNet explained the vulnerability:
The vulnerability, disclosed last week as CVE-2021-3156 (aka Baron Samedit) by security researchers from Qualys, impacts Sudo, an app that allows admins to delegate limited root access to other users. Qualys researchers discovered that they could trigger a “heap overflow” bug in the Sudo app to change the current user’s low-privileged access to root-level commands, granting the attacker access to the whole system
Apple says that today’s update to macOS Big Sur 11.2.1, as well as the supplemental updates for macOS Catalina 10.15.7 and macOS Mojave 10.14.6, include a fix for the bug. Phone number of little caesars. Apple published the following details on its support website:
- Available for: macOS Big Sur 11.2, macOS Catalina 10.15.7, macOS Mojave 10.14.6
- Impact: A local attacker may be able to elevate their privileges
- Description: This issue was addressed by updating to sudo version 1.9.5p2.
- CVE-2021-3156: Qualys
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Top casino games to play. The updates to macOS Catalina and macOS Big Sur also include two other security fixes:
Intel Graphics Driver
- Available for: macOS Big Sur 11.2, macOS Catalina 10.15.7
- Impact: An application may be able to execute arbitrary code with kernel privileges
- Description: An out-of-bounds write was addressed with improved input validation.
- CVE-2021-1805: ABC Research s.r.o. working with Trend Micro Zero Day Initiative
Intel Graphics Driver
- Available for: macOS Big Sur 11.2, macOS Catalina 10.15.7
- Impact: An application may be able to execute arbitrary code with kernel privileges
- Description: A race condition was addressed with additional validation.
- CVE-2021-1806: ABC Research s.r.o. working with Trend Micro Zero Day Initiative
You can now update your Mac to the latest version of macOS by heading to the Software Update menu in the System Preferences app.
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The mathematician Bertrand Russell discovered a paradox in 1901 about sets of things: collections could be described that couldn’t contain themselves, even though the rules said they must. One approachable non-mathematical explanation involves barbers: imagine a barber who only shaves people who don’t shave themselves. Could that barber shave themself?
Apple posed a similar but simpler conundrum via a bug it introduced into smart albums in macOS Catalina that the company fixed in macOS Big Sur. You can create smart albums in Photos that include only photos and videos not included in any manually assembled album, one that has media included in one or more albums.
The bug appeared in Catalina if you deleted an album using the Photos sidebar by Control-clicking the album name, selecting Delete Album, then confirming the deletion. The Photos app would forget to remove the “in an album” flag on the media, and you would find it still remained in a smart album that collected all images and videos not in any album.
This has been fixed in Big Sur, preventing the explosion of any nearby robot brains trying to sort out the paradox. And, seemingly, no rebuild of your Photos library is required. Whatever operation Big Sur and Photos does the first time you launch Photos after upgrading appears to take care of any weirdness that might linger.
Apple still lacks a way for something obvious to even the least mathematical mind: finding out which albums a photo and movie is actually present in if it’s present in any album! A kind contributor to Apple’s technical support forums created a complicated AppleScript that provides the answer, however.
This Mac 911 article is in response to a question submitted by Macworld reader Line.
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