CVE-2021-30869: Apple iOS, iPadOS, and macOS Type Confusion Vulnerability

Published Jan 26, 2021
·
Updated

A type confusion issue was addressed with improved state handling. This issue is fixed in iOS 12.5.5, iOS 14.4 and iPadOS 14.4, macOS Big Sur 11.2, Security Update 2021-001 Catalina, Security Update 2021-001 Mojave, Security Update 2021-006 Catalina. A malicious application may be able to execute arbitrary code with kernel privileges. Apple is aware of reports that an exploit for this issue exists in the wild.

Credit

Erye Hernandez(Google Threat Analysis Group), Clément Lecigne(Google Threat Analysis Group), Ian Beer(Google Project Zero), Apple

Affected Software

36 affected componentsFixes available
Apple iOS, iPadOS, and macOS
Apple Catalina
Apple macOS Big Sur<11.2
11.2
Apple Mojave
Apple iOS<12.5.5
12.5.5
Apple iOS<14.4
14.4
Apple iPadOS<14.4
14.4
Apple iPadOS<14.4
Apple iPhone OS>=12.0<12.5.5
Apple iPhone OS>=14.0<14.4
Apple iOS and macOS>=10.14<=10.14.6
Apple iOS and macOS>=10.15<=10.15.6
Apple iOS and macOS=10.14.6-security_update_2019-001
Apple iOS and macOS=10.14.6-security_update_2019-002
Apple iOS and macOS=10.14.6-security_update_2019-004
Apple iOS and macOS=10.14.6-security_update_2019-005
Apple iOS and macOS=10.14.6-security_update_2019-006
Apple iOS and macOS=10.14.6-security_update_2019-007
Apple iOS and macOS=10.14.6-security_update_2020-001
Apple iOS and macOS=10.14.6-security_update_2020-002
Apple iOS and macOS=10.14.6-security_update_2020-003
Apple iOS and macOS=10.14.6-security_update_2020-004
Apple iOS and macOS=10.14.6-security_update_2020-005
Apple iOS and macOS=10.14.6-security_update_2020-006
Apple iOS and macOS=10.14.6-security_update_2020-007
Apple iOS and macOS=10.15.7
Apple iOS and macOS=10.15.7-security_update_2020
Apple iOS and macOS=10.15.7-security_update_2020-001
Apple iOS and macOS=10.15.7-security_update_2020-005
Apple iOS and macOS=10.15.7-security_update_2020-007
Apple iOS and macOS=10.15.7-security_update_2021-002
Apple iOS and macOS=10.15.7-security_update_2021-003
Apple iOS and macOS=10.15.7-security_update_2021-004
Apple iOS and macOS=10.15.7-security_update_2021-005
Apple iOS and macOS=10.15.7-supplemental_update
Apple macOS>=11.0<11.2

Event History

Aug 24, 2021
CVE Published
via MITRE·06:49 PM
Data Sourced
via MITRE·06:49 PM
DescriptionWeakness
Data Sourced
via NVD·07:15 PM
DescriptionSeverityWeaknessAffected Software
Nov 3, 2021
Known Exploited
via CISA·12:00 AM
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Frequently Asked Questions

1

What is CVE-2021-30869?

CVE-2021-30869 is a type confusion vulnerability in Apple iOS, iPadOS, and macOS that may allow a malicious application to execute code with kernel privileges.

2

Which Apple software is affected by CVE-2021-30869?

Apple iOS, iPadOS, and macOS are affected by CVE-2021-30869.

3

How can a malicious application exploit CVE-2021-30869?

A malicious application can exploit CVE-2021-30869 to execute code with kernel privileges.

4

What is the severity of CVE-2021-30869?

The severity of CVE-2021-30869 is not specified.

5

How can I fix CVE-2021-30869?

To fix CVE-2021-30869, update to the recommended versions of Apple iOS, iPadOS, and macOS.

Company

Resources

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