CVE-2019-8544: High severity Apple tvOS vulnerability

Published Mar 25, 2019
·
Updated

A memory corruption issue was addressed with improved memory handling. This issue is fixed in iOS 12.2, tvOS 12.2, watchOS 5.2, Safari 12.1, iTunes 12.9.4 for Windows, iCloud for Windows 7.11. Processing maliciously crafted web content may lead to arbitrary code execution.

Other sources

Processing maliciously crafted web content may lead to arbitrary code execution. A memory corruption issue was addressed with improved memory handling.

Reference: https://webkitgtk.org/security/WSA-2019-0002.html https://wpewebkit.org/security/WSA-2019-0002.html

— Red Hat

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

Credit

Apple, an anonymous researcher

Affected Software

29 affected componentsFixes available
redhat/webkitgtk<2.24.0
2.24.0
Apple tvOS<12.2
12.2
Apple WatchOS<5.2
5.2
Apple iCloud for Windows<7.11
7.11
Apple iTunes for Windows<12.9.4
12.9.4
Apple Safari<12.1
12.1
Apple iOS<12.2
12.2
Apple Icloud Windows<7.11
Apple Itunes Windows<12.9.4
Apple Safari<12.1
Apple iPhone OS<12.2
Apple tvOS<12.2
Apple WatchOS<5.2
redhat Enterprise Linux Desktop=7.0
redhat Enterprise Linux Server=7.0
redhat Enterprise Linux Workstation=7.0
debian/webkit2gtk
2.44.2-1~deb11u12.50.4-1~deb11u12.50.4-1~deb12u12.50.4-1~deb13u12.50.5-1
alpine/webkit2gtk<2.24.1-r0
2.24.1-r0
alpine/webkit2gtk<2.24.1-r0
2.24.1-r0
alpine/webkit2gtk<2.24.1-r0
2.24.1-r0
alpine/webkit2gtk<2.24.1-r0
2.24.1-r0
alpine/webkit2gtk<2.24.1-r0
2.24.1-r0
alpine/webkit2gtk<2.24.1-r0
2.24.1-r0
alpine/webkit2gtk<2.24.1-r0
2.24.1-r0
alpine/webkit2gtk<2.24.1-r0
2.24.1-r0
alpine/webkit2gtk<2.24.1-r0
2.24.1-r0
alpine/webkit2gtk<2.24.1-r0
2.24.1-r0
alpine/webkit2gtk<2.24.1-r0
2.24.1-r0
alpine/webkit2gtk<2.24.1-r0
2.24.1-r0

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade redhat/webkitgtk to a version that resolves this vulnerability.

    Fixed in 2.24.0
  2. Upgrade

    Upgrade tvOS to a version that resolves this vulnerability.

    Fixed in 12.2
  3. Upgrade

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

    Fixed in 5.2
  4. Upgrade

    Upgrade Apple iCloud to a version that resolves this vulnerability.

    Fixed in 7.11
  5. Upgrade

    Upgrade iTunes to a version that resolves this vulnerability.

    Fixed in 12.9.4
  6. Upgrade

    Upgrade Safari to a version that resolves this vulnerability.

    Fixed in 12.1
  7. Upgrade

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

    Fixed in 12.2
  8. Upgrade

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

    Fixed in 2.44.2-1~deb11u1Fixed in 2.50.4-1~deb11u1Fixed in 2.50.4-1~deb12u1Fixed in 2.50.4-1~deb13u1Fixed in 2.50.5-1
  9. Upgrade

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

    Fixed in 2.24.1-r0
  10. Upgrade

    Upgrade Apple iOS to a version that resolves this vulnerability.

    Fixed in 12.2
  11. Upgrade

    Upgrade Apple tvOS to a version that resolves this vulnerability.

    Fixed in 12.2
  12. Upgrade

    Upgrade Apple watchOS to a version that resolves this vulnerability.

    Fixed in 5.2
  13. Upgrade

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

    Fixed in 12.9.4
  14. Upgrade

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

    Fixed in 7.11

Event History

Dec 18, 2019
CVE Published
via MITRE·05:33 PM
Data Sourced
via MITRE·05:33 PM
DescriptionWeakness
Data Sourced
via NVD·06:15 PM
DescriptionSeverityWeaknessAffected Software
Data Sourced
via OSV·06:15 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-2019-8544?

CVE-2019-8544 is a memory corruption vulnerability in WebKit that allows arbitrary code execution.

2

Which software and versions are affected by CVE-2019-8544?

CVE-2019-8544 affects iOS up to version 12.2, tvOS up to version 12.2, watchOS up to version 5.2, Safari up to version 12.1, iTunes for Windows up to version 12.9.4, and iCloud for Windows up to version 7.11.

3

How severe is CVE-2019-8544?

CVE-2019-8544 has a severity rating of 8.8 out of 10, classified as critical.

4

How can I fix CVE-2019-8544?

To fix CVE-2019-8544, you should update your software to the latest versions available, such as iOS 12.2, tvOS 12.2, watchOS 5.2, Safari 12.1, iTunes 12.9.4 for Windows, and iCloud for Windows 7.11.

5

Where can I find more information about CVE-2019-8544?

You can find more information about CVE-2019-8544 on Apple's official support page: [link](https://support.apple.com/en-us/HT209599) and [link](https://support.apple.com/en-us/HT209601).

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