CVE-2019-6227: High severity Apple tvOS vulnerability

Published Jan 22, 2019
·
Updated

A memory corruption issue was addressed with improved memory handling. This issue is fixed in iOS 12.1.3, tvOS 12.1.2, watchOS 5.1.3, Safari 12.0.3, iTunes 12.9.3 for Windows, iCloud for Windows 7.10. Processing maliciously crafted web content may lead to arbitrary code execution.

Other sources

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

Credit

Qixun Zhao(Qihoo 360 Vulcan Team), G. Geshev(MWR Labs working with Trend Micro)

Affected Software

28 affected componentsFixes available
Apple tvOS<12.1.2
12.1.2
Apple WatchOS<5.1.3
5.1.3
Apple iCloud for Windows<7.10
7.10
Apple iTunes for Windows<12.9.3
12.9.3
Apple Safari<12.0.3
12.0.3
Apple iOS<12.1.3
12.1.3
Apple Safari<12.0.3
Apple iPhone OS<12.1.3
Apple tvOS<12.1.2
Apple WatchOS<5.1.3
All of the following
Any of the following
Apple iCloud<7.10
Apple iTunes<12.9.3
Microsoft Windows
Apple iCloud<7.10
Apple iTunes<12.9.3
Microsoft Windows
alpine/webkit2gtk<2.22.7-r0
2.22.7-r0
alpine/webkit2gtk<2.22.7-r0
2.22.7-r0
alpine/webkit2gtk<2.22.7-r0
2.22.7-r0
alpine/webkit2gtk<2.22.7-r0
2.22.7-r0
alpine/webkit2gtk<2.22.7-r0
2.22.7-r0
alpine/webkit2gtk<2.22.7-r0
2.22.7-r0
alpine/webkit2gtk<2.22.7-r0
2.22.7-r0
alpine/webkit2gtk<2.22.7-r0
2.22.7-r0
alpine/webkit2gtk<2.22.7-r0
2.22.7-r0
alpine/webkit2gtk<2.22.7-r0
2.22.7-r0
alpine/webkit2gtk<2.22.7-r0
2.22.7-r0
alpine/webkit2gtk<2.22.7-r0
2.22.7-r0

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade tvOS to a version that resolves this vulnerability.

    Fixed in 12.1.2
  2. Upgrade

    Upgrade Apple iOS, iPadOS, and watchOS to a version that resolves this vulnerability.

    Fixed in 5.1.3
  3. Upgrade

    Upgrade Apple iCloud to a version that resolves this vulnerability.

    Fixed in 7.10
  4. Upgrade

    Upgrade iTunes to a version that resolves this vulnerability.

    Fixed in 12.9.3
  5. Upgrade

    Upgrade Safari to a version that resolves this vulnerability.

    Fixed in 12.0.3
  6. Upgrade

    Upgrade Apple iOS and iPadOS to a version that resolves this vulnerability.

    Fixed in 12.1.3
  7. Upgrade

    Upgrade alpine/webkit2gtk to a version that resolves this vulnerability.

    Fixed in 2.22.7-r0
  8. Upgrade

    Upgrade iOS to a version that resolves this vulnerability.

    Fixed in 12.1.3
  9. Upgrade

    Upgrade watchOS to a version that resolves this vulnerability.

    Fixed in 5.1.3
  10. Upgrade

    Upgrade iTunes for Windows to a version that resolves this vulnerability.

    Fixed in 12.9.3
  11. Upgrade

    Upgrade iCloud for Windows to a version that resolves this vulnerability.

    Fixed in 7.10

Event History

Mar 5, 2019
CVE Published
via MITRE·04:00 PM
Data Sourced
via MITRE·04:00 PM
DescriptionWeakness
Data Sourced
via NVD·04:29 PM
DescriptionSeverityWeaknessAffected Software
Data Sourced
via OSV·04:29 PM
DescriptionSeverityAffected Software

Parent advisories

This vulnerability appears in the following advisories.

Peer vulnerabilities

Found alongside the following vulnerabilities.

Frequently Asked Questions

1

What is CVE-2019-6227?

CVE-2019-6227 is a memory corruption vulnerability in WebKit that can lead to arbitrary code execution.

2

How does CVE-2019-6227 impact Apple iOS?

CVE-2019-6227 affects Apple iOS versions up to and excluding 12.1.3, and can allow arbitrary code execution when processing malicious web content.

3

Is Safari affected by CVE-2019-6227?

Yes, Safari versions up to and excluding 12.0.3 are vulnerable to CVE-2019-6227.

4

How can I fix CVE-2019-6227 on my Apple devices?

You can fix CVE-2019-6227 by updating your Apple devices to iOS 12.1.3, tvOS 12.1.2, watchOS 5.1.3, Safari 12.0.3, iTunes 12.9.3 for Windows, or iCloud for Windows 7.10.

5

Where can I find more information about CVE-2019-6227?

More information about CVE-2019-6227 can be found at the following references: [http://www.securityfocus.com/bid/106696](http://www.securityfocus.com/bid/106696), [https://security.gentoo.org/glsa/201903-12](https://security.gentoo.org/glsa/201903-12), [https://support.apple.com/HT209443](https://support.apple.com/HT209443).

Company

Resources

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