CVE-2019-8639: High severity Apple tvOS vulnerability

Published Mar 25, 2019
·
Updated

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

Other sources

WebKit. Multiple memory corruption issues were addressed with improved memory handling.

Credit

dwfault(ADLab of Venustech), Samuel Groß(Google Project Zero), Apple, G. Geshev(Trend Micro Zero Day Initiative), found by OSS-Fuzz

Affected Software

11 affected componentsFixes available
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 WatchOS<5.2

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade tvOS to a version that resolves this vulnerability.

    Fixed in 12.2
  2. Upgrade

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

    Fixed in 5.2
  3. Upgrade

    Upgrade Apple iCloud to a version that resolves this vulnerability.

    Fixed in 7.11
  4. Upgrade

    Upgrade iTunes to a version that resolves this vulnerability.

    Fixed in 12.9.4
  5. Upgrade

    Upgrade Safari to a version that resolves this vulnerability.

    Fixed in 12.1
  6. Upgrade

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

    Fixed in 12.2
  7. Upgrade

    Upgrade watchOS to a version that resolves this vulnerability.

    Fixed in 5.2
  8. Upgrade

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

    Fixed in 7.11
  9. Upgrade

    Upgrade iOS to a version that resolves this vulnerability.

    Fixed in 12.2
  10. Upgrade

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

    Fixed in 12.9.4

Event History

Oct 27, 2020
CVE Published
via MITRE·07:38 PM
Data Sourced
via MITRE·07:38 PM
DescriptionWeakness

Parent advisories

This vulnerability appears in the following advisories.

Peer vulnerabilities

Found alongside the following vulnerabilities.

Frequently Asked Questions

1

What is CVE-2019-8639?

CVE-2019-8639 is a vulnerability in Apple software that allows arbitrary code execution when processing malicious web content.

2

What is the severity of CVE-2019-8639?

CVE-2019-8639 has a severity value of 8.8, which is considered high.

3

Which software versions are affected by CVE-2019-8639?

CVE-2019-8639 affects iOS up to version 12.2, tvOS up to version 12.2, Safari up to version 12.1, iCloud for Windows up to version 7.11, iTunes for Windows up to version 12.9.4, and watchOS up to version 5.2.

4

How can I fix CVE-2019-8639?

To fix CVE-2019-8639, update your Apple software to the latest version available, such as iOS 12.2, tvOS 12.2, Safari 12.1, iCloud for Windows 7.11, iTunes for Windows 12.9.4, or watchOS 5.2.

5

Where can I find more information about CVE-2019-8639?

You can find more information about CVE-2019-8639 on the Apple support website: [link to Apple support website]

Company

Resources

Contact

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