CVE-2018-4378: Buffer Overflow

Published Oct 30, 2018
·
Updated

A memory corruption issue was addressed with improved validation. This issue affected versions prior to iOS 12.1, tvOS 12.1, watchOS 5.1, Safari 12.0.1, iTunes 12.9.1, iCloud for Windows 7.8.

Other sources

WebKit. A memory corruption issue was addressed with improved validation.

Credit

HyungSeok Han, DongHyeon Oh, Sang Kil Cha(KAIST Softsec Lab), Korea, zhunki(360 ESG Codesafe Team)

Affected Software

13 affected componentsFixes available
Apple tvOS<12.1
12.1
Apple WatchOS<5.1
5.1
Apple iCloud for Windows<7.8
7.8
Apple iTunes for Windows<12.9.1
12.9.1
Apple Safari<12.0.1
12.0.1
Apple iOS<12.1
12.1
Apple Safari<12.0.1
Apple iPhone OS<12.1
Apple tvOS<12.1
Apple WatchOS<5.1
Apple iCloud<7.8
Apple iTunes<12.9.1
Microsoft Windows

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-2018-4378?

CVE-2018-4378 is a memory corruption issue in WebKit that was addressed with improved validation.

2

Which software versions are affected by CVE-2018-4378?

Versions prior to iOS 12.1, tvOS 12.1, watchOS 5.1, Safari 12.0.1, iTunes 12.9.1, and iCloud for Windows 7.8 are affected by CVE-2018-4378.

3

What is the severity of CVE-2018-4378?

CVE-2018-4378 has a severity keyword of 'high' and a severity value of 8.8.

4

How can I fix CVE-2018-4378?

To fix CVE-2018-4378, update to iOS 12.1 or later, tvOS 12.1 or later, watchOS 5.1 or later, Safari 12.0.1 or later, iTunes 12.9.1 or later, or iCloud for Windows 7.8 or later.

5

Where can I find more information about CVE-2018-4378?

You can find more information about CVE-2018-4378 on the following pages: [link1](https://support.apple.com/kb/HT209192), [link2](https://support.apple.com/kb/HT209194), [link3](https://support.apple.com/kb/HT209195).

Company

Resources

Contact

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CVE-2018-4378 - Buffer Overflow - SecAlerts