Bug Brawl Mac OS
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.
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. Apple published the following details on its support website:
A Largely Unknown Mac OS Bug Allows Malicious Users To Manipulate Apps A new security report showcases a new Mac OS bug which appears to be largely unknown to most users of the operating system. Abuse of it allows malicious users to hijack any installed applications and access their contents.
- Those who had not yet upgraded their operating system from the original version of High Sierra, 10.13.0, to the most recent version, 10.13.1, but had downloaded the patch, say the 'root' bug.
- Mar 17, 2021 Mario Teaches Typing is a licensed edutainment game developed and published by Interplay Productions. It is one of the few licensed Mario computer titles. Mario Teaches Typing was originally released for MS-DOS in 1992, where the user could either use two 3'5' floppies or a single 5'75' one.
- 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
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
Bug Brawl Mac Os Download
You can now update your Mac to the latest version of macOS by heading to the Software Update menu in the System Preferences app.
Bug Brawl Mac Os Catalina
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