CVE:CVE-2021-30774
CNNVD:CNNVD-202107-1640
Apple macOS Big Sur是美国苹果（Apple）公司的一个手机应用APP。
Apple macOS Big Sur 11.5存在输入验证错误漏洞，该漏洞源于Crash Reporter中对用户提供的输入验证不足。该漏洞允许本地用户提升特权。
solution:Upgrade apple ipados to a higher version than 14.7,and avoid the version (,14.7); Upgrade apple iphone_os to a higher version than 14.7,and avoid the version (,14.7); Upgrade apple mac_os_x to a higher version than 10.15.7,10.15.7,10.15.7:security_update_2020,10.15.7:security_update_2020-001,10.15.7:security_update_2020-005,10.15.7:security_update_2020-007,10.15.7:security_update_2021-001,10.15.7:security_update_2021-002,10.15.7:security_update_2021-003,and avoid the version [10.15,10.15.7),10.15.7,10.15.7:security_update_2020,10.15.7:security_update_2020-001,10.15.7:security_update_2020-005,10.15.7:security_update_2020-007,10.15.7:security_update_2021-001,10.15.7:security_update_2021-002,10.15.7:security_update_2021-003; Upgrade apple macos to a higher version than 11.5,and avoid the version (,11.5); Upgrade apple tvos to a higher version than 14.7,and avoid the version (,14.7); Upgrade apple watchos to a higher version than 7.6,and avoid the version (,7.6)