CVE-2019-8506: Apple Multiple Products Type Confusion Vulnerability

Published Mar 25, 2019
·
Updated

A type confusion issue affecting multiple Apple products allows processing of maliciously crafted web content, leading to arbitrary code execution.

Other sources

A type confusion 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.

— Launchpad

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

Credit

Samuel Groß(Google Project Zero)

Affected Software

18 affected componentsFixes available
redhat/webkitgtk<2.24.0
2.24.0
Apple Multiple Products
debian/webkit2gtk
2.44.2-1~deb11u12.46.4-1~deb11u12.46.0-2~deb12u12.46.4-1~deb12u12.46.4-1
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

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 debian/webkit2gtk to a version that resolves this vulnerability.

    Fixed in 2.44.2-1~deb11u1Fixed in 2.46.4-1~deb11u1Fixed in 2.46.0-2~deb12u1Fixed in 2.46.4-1~deb12u1Fixed in 2.46.4-1
  3. Upgrade

    Upgrade tvOS to a version that resolves this vulnerability.

    Fixed in 12.2
  4. Upgrade

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

    Fixed in 5.2
  5. Upgrade

    Upgrade Apple iCloud to a version that resolves this vulnerability.

    Fixed in 7.11
  6. Upgrade

    Upgrade iTunes to a version that resolves this vulnerability.

    Fixed in 12.9.4
  7. Upgrade

    Upgrade Safari to a version that resolves this vulnerability.

    Fixed in 12.1
  8. Upgrade

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

    Fixed in 12.2
  9. Upgrade

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

    Fixed in 2.44.2-1~deb11u1
  10. Upgrade

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

    Fixed in 2.46.4-1~deb11u1
  11. Upgrade

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

    Fixed in 2.46.0-2~deb12u1
  12. Upgrade

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

    Fixed in 2.46.4-1~deb12u1
  13. Upgrade

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

    Fixed in 2.46.4-1

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
May 4, 2022
Known Exploited
via CISA·12:00 AM
Jan 11, 2024
Data Sourced
via Launchpad·11:32 PM
Description
Sep 16, 2024
Data Sourced
via Ubuntu·02:17 AM
RemedyDescriptionSeverityAffected Software
Sep 25, 58448
Event
04:24 PM

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-2019-8506?

CVE-2019-8506 is a type confusion vulnerability in multiple Apple products, including iOS, tvOS, watchOS, Safari, iTunes for Windows, and iCloud for Windows.

2

What is the severity of CVE-2019-8506?

The severity of CVE-2019-8506 is critical with a CVSS score of 8.8.

3

How can this vulnerability be exploited?

This vulnerability can be exploited by processing maliciously crafted web content, which may lead to arbitrary code execution.

4

Which versions of the affected software are vulnerable?

Versions up to and excluding iOS 12.2, tvOS 12.2, watchOS 5.2, Safari 12.1, iTunes 12.9.4 for Windows, and iCloud for Windows 7.11 are vulnerable.

5

What is the recommended remedy for CVE-2019-8506?

To fix CVE-2019-8506, users should update to iOS 12.2, tvOS 12.2, watchOS 5.2, Safari 12.1, iTunes 12.9.4 for Windows, or iCloud for Windows 7.11.

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