CVE-2021-1846: Input Validation

Published Apr 26, 2021
·
Updated

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

Other sources

CoreAudio. Processing a maliciously crafted audio file may disclose restricted memory.

Processing a maliciously crafted audio file may disclose restricted memory. This issue is fixed in Security Update 2021-002 Catalina, iOS 14.5 and iPadOS 14.5, watchOS 7.4, tvOS 14.5, macOS Big Sur 11.3. An out-of-bounds read was addressed with improved input validation.

Credit

JunDong Xie(Ant Security Light), JunDong Xie(Ant Security Light), JunDong Xie(Ant Security Light), JunDong Xie(Ant Security Light), JunDong Xie(Ant Security Light)

Affected Software

27 affected componentsFixes available
Apple macOS Big Sur<11.3
11.3
Apple tvOS<14.5
14.5
Apple Catalina
Apple WatchOS<7.4
7.4
Apple iOS<14.5
14.5
Apple iPadOS<14.5
14.5
Apple iPadOS<14.5
Apple iPhone OS<14.5
Apple iOS and macOS=10.15
Apple iOS and macOS=10.15.1
Apple iOS and macOS=10.15.2
Apple iOS and macOS=10.15.3
Apple iOS and macOS=10.15.4
Apple iOS and macOS=10.15.5
Apple iOS and macOS=10.15.6
Apple iOS and macOS=10.15.6
Apple iOS and macOS=10.15.6-supplemental_update
Apple iOS and macOS=10.15.7
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_2021-001
Apple macOS>=11.0<11.3
Apple tvOS<14.5
Apple WatchOS<7.4

Event History

Sep 8, 2021
CVE Published
via MITRE·02:44 PM
Data Sourced
via MITRE·02:44 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-2021-1846?

CVE-2021-1846 is a vulnerability in CoreAudio that allows for an out-of-bounds read, which can result in disclosure of restricted memory.

2

Which software products are affected by CVE-2021-1846?

CVE-2021-1846 affects Apple iOS (up to version 14.5), Apple iPadOS (up to version 14.5), Apple watchOS (up to version 7.4), Apple macOS Big Sur (up to version 11.3), Apple Catalina, and Apple tvOS (up to version 14.5).

3

How can CVE-2021-1846 be exploited?

CVE-2021-1846 can be exploited by processing a maliciously crafted audio file.

4

What is the severity of CVE-2021-1846?

The severity of CVE-2021-1846 is currently not specified.

5

How can I fix CVE-2021-1846?

To fix CVE-2021-1846, update your software to the latest version provided by Apple.

Company

Resources

Contact

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CVE-2021-1846 - Input Validation - SecAlerts