CVE-2018-4456: Buffer Overflow

Published Jul 9, 2018
·
Updated

A memory corruption issue was addressed with improved input validation. This issue affected versions prior to macOS High Sierra 10.13.6, macOS Mojave 10.14.

Other sources

Intel Graphics Driver. A memory corruption issue was addressed with improved input validation.

Intel Graphics Driver. A memory corruption issue was addressed with improved memory handling.

IOAcceleratorFamily. A memory corruption issue was addressed with improved memory handling.

Credit

Tyler Bohan(Cisco Talos), Tyler Bohan(Cisco Talos), Tyler Bohan(Cisco Talos), Tyler Bohan(Cisco Talos), Tyler Bohan(Cisco Talos)

Affected Software

8 affected componentsFixes available
Apple macOS Mojave<10.14.2
10.14.2
Apple High Sierra
Apple Sierra
Apple macOS Mojave<10.14.5
10.14.5
Apple macOS High Sierra<10.13.6
10.13.6
Apple El Capitan
Apple macOS Mojave<10.14
10.14
Apple iOS and macOS<10.13.6

Event History

Apr 3, 2019
CVE Published
via MITRE·05:43 PM
Data Sourced
via MITRE·05:43 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-2018-4456?

CVE-2018-4456 is a memory corruption issue in IOAcceleratorFamily on macOS High Sierra and macOS Mojave.

2

What is the severity of CVE-2018-4456?

The severity of CVE-2018-4456 is critical with a CVSS score of 7.8.

3

Which versions of macOS are affected by CVE-2018-4456?

Versions prior to macOS High Sierra 10.13.6 and macOS Mojave 10.14.5 are affected by CVE-2018-4456.

4

How can I fix CVE-2018-4456?

Update your macOS to version 10.13.6 or higher for macOS High Sierra or 10.14.5 or higher for macOS Mojave.

5

Where can I find more information about CVE-2018-4456?

You can find more information about CVE-2018-4456 in the references provided: http://seclists.org/fulldisclosure/2019/May/20, https://seclists.org/bugtraq/2019/May/27, and https://support.apple.com/kb/HT208937.

Company

Resources

Contact

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