CVE-2021-30958: Input Validation

Published Aug 24, 2021
·
Updated

An out-of-bounds read was addressed with improved input validation. 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. Playing a malicious audio file may lead to arbitrary code execution.

Other sources

CoreAudio. An out-of-bounds read was addressed with improved input validation.

Credit

JunDong Xie(Ant Security Light)

Affected Software

23 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 iOS<15.2
15.2
Apple iPadOS<15.2
15.2
Apple iPadOS<15.2
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

Event History

Aug 24, 2021
CVE Published
via MITRE·06:50 PM
Data Sourced
via MITRE·06:50 PM
DescriptionWeakness

Parent advisories

This vulnerability appears in the following advisories.

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Frequently Asked Questions

1

What is CVE-2021-30958?

CVE-2021-30958 is a vulnerability in CoreAudio that allows for an out-of-bounds read due to improved input validation. It affects various Apple products including macOS, iOS, and watchOS.

2

How severe is CVE-2021-30958?

The severity of CVE-2021-30958 is not specified, but it is classified under CWE-20, which is the Common Weakness Enumeration for Improper Input Validation.

3

Which software versions are affected by CVE-2021-30958?

CVE-2021-30958 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).

4

How can I fix CVE-2021-30958?

To fix CVE-2021-30958, it is recommended to update your affected Apple products to the latest available versions.

5

Where can I find more information about CVE-2021-30958?

You can find more information about CVE-2021-30958 on the official Apple support page at https://support.apple.com/en-us/HT212980.

Contact

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