CVE-2020-27923

high

Description

An out-of-bounds write was addressed with improved input validation. This issue is fixed in macOS Big Sur 11.1, Security Update 2020-001 Catalina, Security Update 2020-007 Mojave, macOS Big Sur 11.0.1, iOS 14.2 and iPadOS 14.2, watchOS 7.1, tvOS 14.2. Processing a maliciously crafted image may lead to arbitrary code execution.

References

https://support.apple.com/en-us/HT211928

https://support.apple.com/en-us/HT211929

https://support.apple.com/en-us/HT211930

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

https://support.apple.com/en-us/HT212011

Details

Source: MITRE

Published: 2021-04-02

Updated: 2021-04-06

Type: CWE-787

Risk Information

CVSS v2

Base Score: 6.8

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

Impact Score: 6.4

Exploitability Score: 8.6

Severity: MEDIUM

CVSS v3

Base Score: 7.8

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

Impact Score: 5.9

Exploitability Score: 1.8

Severity: HIGH