CVE-2020-27948: High severity tvos vulnerability

Published Dec 14, 2020
·
Updated

An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in watchOS 7.2, macOS Big Sur 11.1, Security Update 2020-001 Catalina, Security Update 2020-007 Mojave, iOS 14.3 and iPadOS 14.3, tvOS 14.3. Processing a maliciously crafted audio file may lead to arbitrary code execution.

Other sources

CoreAudio. An out-of-bounds write issue was addressed with improved bounds checking.

Credit

JunDong Xie

Affected Software

29 affected componentsFixes available
Apple tvOS<14.3
14.3
Apple macOS Big Sur<11.1
11.1
Apple Catalina
Apple Mojave
Apple WatchOS<7.2
7.2
Apple iOS<14.3
14.3
Apple iPadOS<14.3
14.3
Apple iPadOS<14.3
Apple iPhone OS<14.3
Apple iOS and macOS>=10.14<10.14.6
Apple iOS and macOS>=10.15<10.15.7
Apple iOS and macOS=10.14.6
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_2019-006
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-supplemental_update
Apple iOS and macOS=10.14.6-supplemental_update_2
Apple iOS and macOS=10.15.7
Apple iOS and macOS=10.15.7-supplemental_update
Apple macOS>=11.0<11.1.0
Apple tvOS<14.3
Apple WatchOS<7.2

Event History

Apr 2, 2021
CVE Published
via MITRE·05:39 PM
Data Sourced
via MITRE·05:39 PM
DescriptionWeakness

Parent advisories

This vulnerability appears in the following advisories.

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Frequently Asked Questions

1

What is CVE-2020-27948?

CVE-2020-27948 is a vulnerability in CoreAudio that allows an attacker to perform an out-of-bounds write.

2

Which software versions are affected by CVE-2020-27948?

iOS 14.3, iPadOS 14.3, tvOS 14.3, macOS Big Sur up to version 11.1, Apple Catalina, Apple Mojave, and watchOS 7.2 are affected by CVE-2020-27948.

3

How can I fix CVE-2020-27948?

Apply the appropriate software update from Apple for your affected device.

4

Where can I find more information about CVE-2020-27948?

You can find more information about CVE-2020-27948 on the Apple support website.

Contact

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