CVE-2021-30968
First published: Tue 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.
Credit: Csaba Fitzl @theevilbit Offensive Security cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Apple macOS Monterey | <12.1 | 12.1 |
| Apple macOS | <11.6.2 | 11.6.2 |
| tvOS | <15.2 | 15.2 |
| macOS Catalina | ||
| Apple iOS, iPadOS, and watchOS | <15.2 | 15.2 |
| Apple iOS, iPadOS, and watchOS | <15.2 | 15.2 |
| Apple iOS, iPadOS, and watchOS | <8.3 | 8.3 |
| iStyle @cosme 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 iOS and macOS | >=11.0<11.6.2 | |
| Apple iOS and macOS | >=12.0<12.1 | |
| tvOS | <15.2 | |
| Apple iOS, iPadOS, and watchOS | <8.3 |
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Reference Links
- https://support.apple.com/en-us/HT212975 (Advisory)
- https://support.apple.com/en-us/HT212976 (Advisory)
- https://support.apple.com/en-us/HT212978 (Advisory)
- https://support.apple.com/en-us/HT212979 (Advisory)
- https://support.apple.com/en-us/HT212980 (Advisory)
- https://support.apple.com/en-us/HT212981 (Advisory)
Parent vulnerabilities
(Appears in the following advisories)
Peer vulnerabilities
(Found alongside the following vulnerabilities)
- CVE-2021-30987
- CVE-2021-30950
- CVE-2021-30960
- CVE-2021-30986
- CVE-2021-30966
- CVE-2021-30926
- CVE-2021-30942
- CVE-2021-30957
- CVE-2021-30958
- CVE-2021-30935
- CVE-2021-30945
- CVE-2021-31007
- CVE-2021-31013
- CVE-2021-31000
- CVE-2021-30977
- CVE-2021-30939
- CVE-2021-30981
- CVE-2021-30996
- CVE-2021-30982
- CVE-2021-30937
- CVE-2021-30927
- CVE-2021-30980
- CVE-2021-30949
- CVE-2021-30993
- CVE-2021-30955
- CVE-2021-30976
- CVE-2021-30990
- CVE-2021-30943
- CVE-2021-31009
- CVE-2021-30971
- CVE-2021-30973
- CVE-2021-30929
- CVE-2021-30979
- CVE-2021-30940
- CVE-2021-30941
- CVE-2021-30995
- CVE-2021-30968
- CVE-2021-30946
- CVE-2021-30947
- CVE-2021-30975
- CVE-2021-30944
- CVE-2021-30972
- CVE-2021-30767
- CVE-2021-30964
- CVE-2021-30970
- CVE-2021-30965
- CVE-2021-30934
- CVE-2021-30936
- CVE-2021-30951
- CVE-2021-30952
- CVE-2021-30984
- CVE-2021-30953
- CVE-2021-30954
- CVE-2021-30938
- CVE-2021-30931
- CVE-2021-30962
- CVE-2021-30959
- CVE-2021-30961
- CVE-2021-30963
- CVE-2021-30895
- CVE-2021-30969
- CVE-2021-31002
- CVE-2021-30916
- CVE-2021-30956
- CVE-2021-30992
- CVE-2021-30983
- CVE-2021-30985
- CVE-2021-30991
- CVE-2021-30998
- CVE-2021-30997
- CVE-2021-30967
- CVE-2021-30988
- CVE-2021-30932
- CVE-2021-30948
Frequently Asked Questions
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.
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).
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.
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).
What is the severity of CVE-2021-30968?
The severity of CVE-2021-30968 is not specified in the provided information.
- collector/apple-support
- agent/type
- agent/references
- agent/weakness
- agent/severity
- agent/description
- collector/mitre-cve
- source/MITRE
- agent/last-modified-date
- agent/event
- agent/first-publish-date
- agent/trending
- agent/source
- agent/software-canonical-lookup-request
- agent/author
- agent/softwarecombine
- agent/tags
- collector/nvd-index
- vendor/apple
- canonical/apple macos monterey
- canonical/apple macos
- canonical/tvos
- canonical/macos catalina
- canonical/apple ios, ipados, and watchos
- canonical/istyle @cosme iphone os
- canonical/apple ios and macos
- version/apple ios and macos/10.15
- version/apple ios and macos/10.15.7
- version/apple ios and macos/10.15.7-security_update_2020-001
- version/apple ios and macos/10.15.7-security_update_2021-001
- version/apple ios and macos/10.15.7-security_update_2021-002
- version/apple ios and macos/10.15.7-security_update_2021-003
- version/apple ios and macos/10.15.7-security_update_2021-004
- version/apple ios and macos/10.15.7-security_update_2021-005
- version/apple ios and macos/10.15.7-security_update_2021-006
- version/apple ios and macos/10.15.7-security_update_2021-007
- version/apple ios and macos/11.0
- version/apple ios and macos/12.0