CVE-2020-9943 Information

Description

An out-of-bounds read was addressed with improved bounds checking. This issue is fixed in macOS Big Sur 11.0.1 watchOS 7.0 tvOS 14.0 iOS 14.0 and iPadOS 14.0. A malicious application may be able to read restricted memory.

CVSS Vector

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

Reference

https://support.apple.com/en-us/HT211844 https://support.apple.com/en-us/HT211843 https://support.apple.com/en-us/HT211931 https://support.apple.com/en-us/HT211850 https://support.apple.com/kb/HT212011 http://seclists.org/fulldisclosure/2020/Dec/32 http://seclists.org/fulldisclosure/2020/Dec/26

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

REQUIRED

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

NONE

Base Score

NONE

Base Severity

5.5