CVE-2020-3836: Medium severity tvos vulnerability

Published Jan 28, 2020
·
Updated

An access issue was addressed with improved memory management. This issue is fixed in iOS 13.3.1 and iPadOS 13.3.1, macOS Catalina 10.15.3, tvOS 13.3.1, watchOS 6.1.2. A malicious application may be able to determine kernel memory layout.

Other sources

Kernel. An access issue was addressed with improved memory management.

Credit

Brandon Azad(Google Project Zero)

Affected Software

12 affected componentsFixes available
Apple tvOS<13.3.1
13.3.1
Apple macOS Catalina<10.15.3
10.15.3
Apple Mojave
Apple High Sierra
Apple WatchOS<6.1.2
6.1.2
Apple iOS<13.3.1
13.3.1
Apple iPadOS<13.3.1
13.3.1
Apple iPadOS<13.3.1
Apple iPhone OS<13.3.1
Apple iOS and macOS<10.15.3
Apple tvOS<13.3.1
Apple WatchOS<6.1.2

Event History

Feb 27, 2020
CVE Published
via MITRE·08:45 PM
Data Sourced
via MITRE·08:45 PM
DescriptionWeakness

Parent advisories

This vulnerability appears in the following advisories.

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Frequently Asked Questions

1

What is the vulnerability ID?

The vulnerability ID is CVE-2020-3836.

2

What is the severity of CVE-2020-3836?

The severity of CVE-2020-3836 is not specified in the information provided.

3

What is the affected software of CVE-2020-3836?

The affected software of CVE-2020-3836 includes Apple tvOS 13.3.1, Apple watchOS 6.1.2, Apple iOS 13.3.1, Apple iPadOS 13.3.1, Apple macOS Catalina 10.15.3, Apple Mojave, and Apple High Sierra.

4

How can I fix CVE-2020-3836?

To fix CVE-2020-3836, it is recommended to update the affected software to the specified versions: Apple tvOS 13.3.1, Apple watchOS 6.1.2, Apple iOS 13.3.1, Apple iPadOS 13.3.1, and Apple macOS Catalina 10.15.3.

5

Where can I find more information about CVE-2020-3836?

You can find more information about CVE-2020-3836 on the following references: [Apple Support - HT210920](https://support.apple.com/en-us/HT210920), [Apple Support - HT210921](https://support.apple.com/en-us/HT210921), [Apple Support - HT210919](https://support.apple.com/en-us/HT210919).

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