CVE-2020-9870: Input Validation

Published Jul 15, 2020
·
Updated

Clang. A logic issue was addressed with improved validation.

Other sources

A logic issue was addressed with improved validation. This issue is fixed in iOS 13.6 and iPadOS 13.6, macOS Catalina 10.15.6, tvOS 13.4.8. An attacker with memory write capability may be able to bypass pointer authentication codes and run arbitrary code.

Credit

Samuel Groß(Google Project Zero)

Affected Software

7 affected componentsFixes available
Apple macOS Catalina<10.15.6
10.15.6
Apple Mojave
Apple High Sierra
Apple iPadOS<13.6
Apple iPhone OS<13.6
Apple iOS and macOS<10.15.6
Apple tvOS<13.4.8

Event History

Oct 16, 2020
CVE Published
via MITRE·04:33 PM
Data Sourced
via MITRE·04:33 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-2020-9870?

CVE-2020-9870 is a logic issue in Clang that has been addressed with improved validation.

2

Which software versions are affected by CVE-2020-9870?

CVE-2020-9870 affects Apple macOS Catalina up to version 10.15.6, Apple Mojave, and Apple High Sierra.

3

How can I fix the vulnerability in macOS Catalina?

To fix the vulnerability in macOS Catalina, update to version 10.15.6 or later.

4

Is there a fix available for Mojave?

It is recommended to update to the latest version of macOS Mojave to mitigate the vulnerability.

5

Where can I find more information about CVE-2020-9870?

You can find more information about CVE-2020-9870 on the Apple website at the following link: https://support.apple.com/en-us/HT211289

Company

Resources

Contact

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