CVE-2021-1777: High severity tvos vulnerability

Published Jan 26, 2021
·
Updated

ImageIO. This issue was addressed with improved checks.

Other sources

This issue was addressed with improved checks. This issue is fixed in macOS Big Sur 11.2, Security Update 2021-001 Catalina, Security Update 2021-001 Mojave, watchOS 7.3, tvOS 14.4, iOS 14.4 and iPadOS 14.4. Processing a maliciously crafted image may lead to arbitrary code execution.

Credit

Xingwei Lin(Ant Security Light), Jeonghoon Shin@@singi21a(THEORI), Mickey Jin & Qi Sun(Trend Micro working with Trend Micro)

Affected Software

28 affected componentsFixes available
Apple tvOS<14.4
14.4
Apple macOS Big Sur<11.2
11.2
Apple Catalina
Apple Mojave
Apple WatchOS<7.3
7.3
Apple iPadOS<14.4
Apple iPhone OS<14.4
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_2019-004
Apple iOS and macOS=10.14.6-security_update_2019-005
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-security_update_2020-007
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<11.2
Apple tvOS<14.4
Apple WatchOS<7.3

Event History

Apr 2, 2021
CVE Published
via MITRE·05:58 PM
Data Sourced
via MITRE·05:58 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-2021-1777?

CVE-2021-1777 is a vulnerability in ImageIO that was addressed with improved checks.

2

What software versions are affected by CVE-2021-1777?

macOS Big Sur 11.2, Apple Catalina, Apple Mojave, watchOS up to 7.3, and tvOS up to 14.4 are affected by CVE-2021-1777.

3

How can I fix CVE-2021-1777?

To fix CVE-2021-1777, update to the latest versions of the affected software as recommended by Apple.

4

Where can I find more information about CVE-2021-1777?

You can find more information about CVE-2021-1777 in the following Apple support articles: [here](https://support.apple.com/en-us/HT212147), [here](https://support.apple.com/en-us/HT212148), and [here](https://support.apple.com/en-us/HT212149).

5

What is the severity of CVE-2021-1777?

The severity of CVE-2021-1777 is not specified in the provided information.

Company

Resources

Contact

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CVE-2021-1777 - High severity tvos vulnerability - SecAlerts