CVE-2020-9944

medium
New! CVE Severity Now Using CVSS v3

The calculated severity for CVEs has been updated to use CVSS v3 by default. CVEs that do not have a CVSS v3 score will fall back CVSS v2 for calculating severity. Severity display preferences can be toggled in the settings dropdown.

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. An application may be able to read restricted memory.

References

http://seclists.org/fulldisclosure/2020/Dec/26

http://seclists.org/fulldisclosure/2020/Dec/32

https://support.apple.com/en-us/HT211843

https://support.apple.com/en-us/HT211844

https://support.apple.com/en-us/HT211850

https://support.apple.com/en-us/HT211931

https://support.apple.com/kb/HT212011

Details

Source: MITRE

Published: 2020-12-08

Updated: 2020-12-15

Type: CWE-125

Risk Information

CVSS v2

Base Score: 4.3

Vector: AV:N/AC:M/Au:N/C:P/I:N/A:N

Impact Score: 2.9

Exploitability Score: 8.6

Severity: MEDIUM

CVSS v3

Base Score: 5.5

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

Impact Score: 3.6

Exploitability Score: 1.8

Severity: MEDIUM

Tenable Plugins

View all (2 total)

IDNameProductFamilySeverity
144453macOS 10.14.x < 10.14.6 Security Update 2020-007 / 10.15.x < 10.15.7 Security Update 2020-001 / macOS 11.x < 11.1 (HT212011)NessusMacOS X Local Security Checks
high
143115macOS 11.0.x < 11.0.1NessusMacOS X Local Security Checks
high