CVE-2018-4211: Buffer Overflow

Published Jun 1, 2018
·
Updated

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

Other sources

An issue was discovered in certain Apple products. iOS before 11.4 is affected. macOS before 10.13.5 is affected. tvOS before 11.4 is affected. watchOS before 4.3.1 is affected. The issue involves the "FontParser" component. It allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption and application crash) via a crafted font file.

Credit

Proteas(Qihoo 360 Nirvan Team)

Affected Software

7 affected componentsFixes available
Apple macOS High Sierra<10.13.5
10.13.5
Apple Sierra
Apple El Capitan
Apple Apple TV<11.4
Apple iPhone OS<11.4
Apple iOS and macOS<10.13.5
Apple WatchOS<4.3.1

Event History

Jun 8, 2018
CVE Published
via MITRE·06:00 PM
Data Sourced
via MITRE·06:00 PM
Description

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-2018-4211?

CVE-2018-4211 is a memory corruption issue in certain Apple products, allowing remote attackers to execute arbitrary code or cause a denial of service.

2

Which Apple products are affected by CVE-2018-4211?

iOS before 11.4, macOS before 10.13.5, tvOS before 11.4, and watchOS before 4.3.1 are affected by CVE-2018-4211.

3

What is the severity of CVE-2018-4211?

CVE-2018-4211 has a severity rating of 7.8 (high).

4

How can I fix CVE-2018-4211?

To fix CVE-2018-4211, update your Apple devices to the latest available software versions as recommended by Apple.

5

Where can I find more information about CVE-2018-4211?

You can find more information about CVE-2018-4211 on the following links: [Security Tracker](http://www.securitytracker.com/id/1041027), [Apple Support](https://support.apple.com/HT208848), [Apple Support](https://support.apple.com/HT208849).

Company

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CVE-2018-4211 - Buffer Overflow - SecAlerts