CVE-2021-30968: Medium severity apple macos vulnerability

Published Aug 24, 2021
·
Updated

A validation issue related to hard link behavior was addressed with improved sandbox restrictions. This issue is fixed in macOS Big Sur 11.6.2, tvOS 15.2, macOS Monterey 12.1, Security Update 2021-008 Catalina, iOS 15.2 and iPadOS 15.2, watchOS 8.3. A malicious application may be able to bypass certain Privacy preferences.

Other sources

Sandbox. A validation issue related to hard link behavior was addressed with improved sandbox restrictions.

Credit

Csaba Fitzl@@theevilbit(Offensive Security)

Affected Software

22 affected componentsFixes available
Apple macOS Big Sur<11.6.2
11.6.2
Apple tvOS<15.2
15.2
Apple Catalina
Apple WatchOS<8.3
8.3
Apple macOS Monterey<12.1
12.1
Apple iPhone OS<15.2
Apple iOS and macOS>=10.15<10.15.7
Apple iOS and macOS=10.15.7
Apple iOS and macOS=10.15.7-security_update_2020-001
Apple iOS and macOS=10.15.7-security_update_2021-001
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-security_update_2021-006
Apple iOS and macOS=10.15.7-security_update_2021-007
Apple macOS>=11.0<11.6.2
Apple macOS>=12.0<12.1
Apple tvOS<15.2
Apple WatchOS<8.3
Apple iOS<15.2
15.2
Apple iPadOS<15.2
15.2

Event History

Aug 24, 2021
CVE Published
via MITRE·06:51 PM
Data Sourced
via MITRE·06:51 PM
DescriptionWeakness

Parent advisories

This vulnerability appears in the following advisories.

Peer vulnerabilities

Found alongside the following vulnerabilities.

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Frequently Asked Questions

1

What is CVE-2021-30968?

CVE-2021-30968 is a validation issue related to hard link behavior in the Sandbox component of certain Apple products.

2

Which Apple products are affected by CVE-2021-30968?

CVE-2021-30968 affects Apple Catalina, macOS Monterey (up to version 12.1), macOS Big Sur (up to version 11.6.2), watchOS (up to version 8.3), iOS (up to version 15.2), iPadOS (up to version 15.2), and tvOS (up to version 15.2).

3

How can I fix CVE-2021-30968?

To fix CVE-2021-30968, update your affected Apple products to the latest available versions as recommended by Apple.

4

Where can I find more information about CVE-2021-30968?

You can find more information about CVE-2021-30968 on the Apple support website. Please refer to the following links: [Link 1](https://support.apple.com/en-us/HT212980), [Link 2](https://support.apple.com/en-us/HT212978), [Link 3](https://support.apple.com/en-us/HT212975).

5

What is the severity of CVE-2021-30968?

The severity of CVE-2021-30968 is not specified in the provided information.

Company

Resources

Contact

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