CVE-2020-27932

Apple Multiple Products Type Confusion Vulnerability

Severity Score

7.8

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

Yes

*KEV

Decision

*SSVC

Descriptions

A type confusion issue was addressed with improved state handling. This issue is fixed in macOS Big Sur 11.0.1, watchOS 7.1, iOS 12.4.9, watchOS 6.2.9, Security Update 2020-006 High Sierra, Security Update 2020-006 Mojave, iOS 14.2 and iPadOS 14.2, watchOS 5.3.9, macOS Catalina 10.15.7 Supplemental Update, macOS Catalina 10.15.7 Update. A malicious application may be able to execute arbitrary code with kernel privileges.

Se abordó un problema de confusión de tipos con un manejo de estado mejorado. Este problema se corrigió en macOS Big Sur versión 11.0.1, watchOS versión 7.1, iOS versión 12.4.9, watchOS versión 6.2.9, Security Update 2020-006 High Sierra, Security Update 2020-006 Mojave, iOS versión 14.2 y iPadOS versión 14.2, watchOS versión 5.3.9, macOS Catalina versión 10.15.7 Supplemental Update, macOS Catalina versión 10.15.7 Update. Una aplicación maliciosa puede ser capaz de ejecutar código arbitrario con privilegios kernel

The XNU kernel suffers from a type confusion vulnerability in turnstiles.

Apple iOS, iPadOS, macOS, and watchOS contain a type confusion vulnerability that may allow a malicious application to execute code with kernel privileges.

*Credits: N/A

Attack Vector

Local

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Attack Vector

Network

Attack Complexity

Medium

Authentication

None

Confidentiality

Complete

Integrity

Complete

Availability

Complete

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2020-10-27 CVE Reserved
2020-11-09 CVE Published
2021-11-03 Exploited in Wild
2022-05-03 KEV Due Date
2024-08-04 CVE Updated
2024-11-14 EPSS Updated
---------- First Exploit

CWE

CWE-843: Access of Resource Using Incompatible Type ('Type Confusion')

CAPEC

References (10)

URL	Tag	Source
http://packetstormsecurity.com/files/161295/XNU-Kernel-Turnstiles-Type-Confusion.html	Third Party Advisory
http://seclists.org/fulldisclosure/2020/Dec/32	Mailing List

URL	Date	SRC

URL	Date	SRC

URL	Date	SRC
https://support.apple.com/en-us/HT211928	2021-02-11
https://support.apple.com/en-us/HT211929	2021-02-11
https://support.apple.com/en-us/HT211931	2021-02-11
https://support.apple.com/en-us/HT211940	2021-02-11
https://support.apple.com/en-us/HT211944	2021-02-11
https://support.apple.com/en-us/HT211945	2021-02-11
https://support.apple.com/en-us/HT211946	2021-02-11
https://support.apple.com/en-us/HT211947	2021-02-11

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Apple Search vendor "Apple"		Icloud Search vendor "Apple" for product "Icloud"				< 11.5 Search vendor "Apple" for product "Icloud" and version " < 11.5"		windows		Affected
Apple Search vendor "Apple"		Itunes Search vendor "Apple" for product "Itunes"				< 12.11 Search vendor "Apple" for product "Itunes" and version " < 12.11"		windows		Affected
Apple Search vendor "Apple"		Ipados Search vendor "Apple" for product "Ipados"				< 14.2 Search vendor "Apple" for product "Ipados" and version " < 14.2"		-		Affected
Apple Search vendor "Apple"		Iphone Os Search vendor "Apple" for product "Iphone Os"				< 12.4.9 Search vendor "Apple" for product "Iphone Os" and version " < 12.4.9"		-		Affected
Apple Search vendor "Apple"		Iphone Os Search vendor "Apple" for product "Iphone Os"				>= 14.0 < 14.2 Search vendor "Apple" for product "Iphone Os" and version " >= 14.0 < 14.2"		-		Affected
Apple Search vendor "Apple"		Mac Os X Search vendor "Apple" for product "Mac Os X"				< 10.15.7 Search vendor "Apple" for product "Mac Os X" and version " < 10.15.7"		-		Affected
Apple Search vendor "Apple"		Macos Search vendor "Apple" for product "Macos"				>= 11.0 < 11.0.1 Search vendor "Apple" for product "Macos" and version " >= 11.0 < 11.0.1"		-		Affected
Apple Search vendor "Apple"		Watchos Search vendor "Apple" for product "Watchos"				< 5.3.9 Search vendor "Apple" for product "Watchos" and version " < 5.3.9"		-		Affected
Apple Search vendor "Apple"		Watchos Search vendor "Apple" for product "Watchos"				>= 6.0 < 6.2.9 Search vendor "Apple" for product "Watchos" and version " >= 6.0 < 6.2.9"		-		Affected
Apple Search vendor "Apple"		Watchos Search vendor "Apple" for product "Watchos"				>= 7.0 < 7.1 Search vendor "Apple" for product "Watchos" and version " >= 7.0 < 7.1"		-		Affected