CVE-2018-4284: Incorrect Type Cast

Published Jul 9, 2018
·
Updated

A type confusion issue was addressed with improved memory handling. This issue affected versions prior to iOS 11.4.1, tvOS 11.4.1, watchOS 4.3.2, Safari 11.1.2, iTunes 12.8 for Windows, iCloud for Windows 7.6.

Other sources

WebKit. A type confusion issue was addressed with improved memory handling.

Credit

found by OSS-Fuzz

Affected Software

17 affected componentsFixes available
debian/webkit2gtk
2.44.2-1~deb11u12.44.3-1~deb11u12.44.2-1~deb12u12.44.3-1~deb12u12.46.0-22.46.1-1
Apple tvOS<11.4.1
11.4.1
Apple WatchOS<4.3.2
4.3.2
Apple iCloud for Windows<7.6
7.6
Apple iTunes for Windows<12.8
12.8
Apple Safari<11.1.2
11.1.2
Apple iOS<11.4.1
11.4.1
Apple Safari<11.1.2
Apple iPhone OS<11.4.1
Apple tvOS<11.4.1
Apple WatchOS<4.3.2
All of the following
Any of the following
Apple iCloud<7.6
Apple iTunes<12.8
Microsoft Windows
Apple iCloud<7.6
Apple iTunes<12.8
Microsoft Windows

Event History

Apr 3, 2019
CVE Published
via MITRE·05:43 PM
Data Sourced
via MITRE·05:43 PM
DescriptionWeakness
Jan 11, 2024
Data Sourced
via Launchpad·11:04 PM
Description
Sep 16, 2024
Data Sourced
via Ubuntu·02:05 AM
RemedyDescriptionSeverityAffected Software

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-2018-4284?

CVE-2018-4284 is a type confusion vulnerability in WebKit that has been fixed in iOS 11.4.1, tvOS 11.4.1, watchOS 4.3.2, Safari 11.1.2, iTunes 12.8 for Windows, and iCloud for Windows 7.6.

2

How severe is CVE-2018-4284?

CVE-2018-4284 has a severity score of 8.8, which is considered high.

3

Which software versions are affected by CVE-2018-4284?

Versions prior to iOS 11.4.1, tvOS 11.4.1, watchOS 4.3.2, Safari 11.1.2, iTunes 12.8 for Windows, and iCloud for Windows 7.6 are affected by CVE-2018-4284.

4

How do I fix CVE-2018-4284?

To fix CVE-2018-4284, update to iOS 11.4.1 or later, tvOS 11.4.1 or later, watchOS 4.3.2 or later, Safari 11.1.2 or later, iTunes 12.8 or later for Windows, and iCloud for Windows 7.6 or later.

5

Where can I find more information about CVE-2018-4284?

You can find more information about CVE-2018-4284 at the following references: [link1](https://support.apple.com/en-us/HT208933), [link2](https://support.apple.com/en-us/HT208934), [link3](https://support.apple.com/en-us/HT208938).

Company

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CVE-2018-4284 - Incorrect Type Cast - SecAlerts