CVE-2018-4321: Input Validation

Published Sep 17, 2018
·
Updated

Auto Unlock. A validation issue existed in the entitlement verification. This issue was addressed with improved validation of the process entitlement.

Other sources

A validation issue existed in the entitlement verification. This issue was addressed with improved validation of the process entitlement. This issue affected versions prior to iOS 12, macOS Mojave 10.14, tvOS 12.

Credit

Min (Spark) Zheng(Alibaba Inc), Xiaolong Bai(Alibaba Inc), Min (Spark) Zheng

Affected Software

6 affected componentsFixes available
Apple tvOS<12
12
Apple macOS Mojave<10.14
10.14
Apple iOS<12
12
Apple iPhone OS<12.0
Apple iOS and macOS<10.14
Apple tvOS<12

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-2018-4321?

CVE-2018-4321 is a vulnerability that existed in the entitlement verification in Apple devices running iOS 12, macOS Mojave 10.14, and tvOS 12 or prior versions.

2

What is the severity of CVE-2018-4321?

CVE-2018-4321 has a severity rating of 5.3, which is considered medium.

3

How does CVE-2018-4321 affect Apple devices?

CVE-2018-4321 affects Apple devices running iOS 12, macOS Mojave 10.14, and tvOS 12 or prior versions.

4

How can I fix CVE-2018-4321?

To fix CVE-2018-4321, update your Apple device to iOS 12, macOS Mojave 10.14, or tvOS 12 or later versions.

5

Where can I find more information about CVE-2018-4321?

You can find more information about CVE-2018-4321 on the Apple support website at the following links: [support.apple.com/kb/HT209106](support.apple.com/kb/HT209106), [support.apple.com/kb/HT209107](support.apple.com/kb/HT209107), [support.apple.com/kb/HT209139](support.apple.com/kb/HT209139).

Company

Resources

Contact

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