macOS Big Sur 11.4 (20F71) is now available for all users!
UPDATED 05/27/21
Apple just dropped the new macOS Big Sur 11.4 Update (on a Monday???). The 11.4 update was released only a month after 11.3 Let’s jump in and find out what’s new!
The 11.4 update also patches the screen shot vulnerability CVE-2021-30713.
The detection team noted that once installed on the victim’s system, XCSSET was using this bypass specifically for the purpose of taking screenshots of the user’s desktop without requiring additional permissions.
jamf.com
Jamf security researchers found the vulnerability and detailed it in the article below.
https://www.jamf.com/blog/zero-day-tcc-bypass-discovered-in-xcsset-malware/
macOS Big Sur 11.4 Patch Notes Summary
- 58 – Security Fixes
- 2 – New Features
- 8 -Enterprise Changes/Fixes
- 5- Resolved Issues