CVE-2019-8844: High severity Apple tvOS vulnerability

Published Dec 10, 2019
·
Updated

A flaw was found in WebKitGTK before 2.26.3. Processing maliciously crafted web content may lead to arbitrary code execution.

References:

https://www.openwall.com/lists/oss-security/2020/01/23/2 https://webkitgtk.org/security/WSA-2020-0001.html

Other sources

Multiple memory corruption issues were addressed with improved memory handling. This issue is fixed in tvOS 13.3, watchOS 6.1.1, iCloud for Windows 10.9, iOS 13.3 and iPadOS 13.3, Safari 13.0.4, iTunes 12.10.3 for Windows, iCloud for Windows 7.16. Processing maliciously crafted web content may lead to arbitrary code execution.

— MITRE

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

Credit

Anonymous(Trend Micro), Mike Zhang(Pangu Team), William Bowling@@wcbowling, Anonymous(Trend Micro's Zero Day Initiative)

Affected Software

30 affected componentsFixes available
redhat/webkitgtk<2.26.3
2.26.3
Apple tvOS<13.3
13.3
Apple WatchOS<6.1.1
6.1.1
Apple iCloud for Windows<10.9
10.9
Apple iCloud for Windows<7.16
7.16
Apple iTunes for Windows<12.10.3
12.10.3
Apple Safari<13.0.4
13.0.4
Apple iOS<13.3
13.3
Apple iPadOS<13.3
13.3
Apple Icloud Windows<7.16
Apple Icloud Windows>=10.0<10.9
Apple Itunes Windows<12.10.3
Apple Safari<13.0.4
Apple iPadOS<13.3
Apple iPhone OS<13.3
Apple tvOS<13.3
Apple WatchOS<6.1.1
redhat Enterprise Linux Desktop=7.0
redhat Enterprise Linux Server=7.0
redhat Enterprise Linux Workstation=7.0
alpine/webkit2gtk<2.26.3-r0
2.26.3-r0
alpine/webkit2gtk<2.26.3-r0
2.26.3-r0
alpine/webkit2gtk<2.26.3-r0
2.26.3-r0
alpine/webkit2gtk<2.26.3-r0
2.26.3-r0
alpine/webkit2gtk<2.26.3-r0
2.26.3-r0
alpine/webkit2gtk<2.26.3-r0
2.26.3-r0
alpine/webkit2gtk<2.26.3-r0
2.26.3-r0
alpine/webkit2gtk<2.26.3-r0
2.26.3-r0
alpine/webkit2gtk<2.26.3-r0
2.26.3-r0
alpine/webkit2gtk<2.26.3-r0
2.26.3-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 2.26.3
  2. Upgrade

    Upgrade tvOS to a version that resolves this vulnerability.

    Fixed in 13.3
  3. Upgrade

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

    Fixed in 6.1.1
  4. Upgrade

    Upgrade Apple iCloud to a version that resolves this vulnerability.

    Fixed in 10.9
  5. Upgrade

    Upgrade Apple iCloud to a version that resolves this vulnerability.

    Fixed in 7.16
  6. Upgrade

    Upgrade iTunes to a version that resolves this vulnerability.

    Fixed in 12.10.3
  7. Upgrade

    Upgrade Safari to a version that resolves this vulnerability.

    Fixed in 13.0.4
  8. Upgrade

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

    Fixed in 13.3
  9. Upgrade

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

    Fixed in 13.3
  10. Upgrade

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

    Fixed in 2.26.3-r0
  11. Upgrade

    Upgrade WebKitGTK to a version that resolves this vulnerability.

    Fixed in 2.26.3

Event History

Oct 27, 2020
CVE Published
via MITRE·07:55 PM
Data Sourced
via MITRE·07:55 PM
DescriptionWeakness
Data Sourced
via NVD·08:15 PM
DescriptionSeverityWeaknessAffected Software
Data Sourced
via OSV·08:15 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-2019-8844?

CVE-2019-8844 is a vulnerability in WebKit that allows for multiple memory corruption issues.

2

What is the severity of CVE-2019-8844?

CVE-2019-8844 has a severity rating of 8.8, which is considered critical.

3

Which software versions are affected by CVE-2019-8844?

Safari 13.0.4, iCloud for Windows 10.9, and WebKitGTK 2.26.3 are affected by CVE-2019-8844.

4

How can I fix CVE-2019-8844?

To fix CVE-2019-8844, update to the fixed versions of Safari, iCloud for Windows, and WebKitGTK.

5

Where can I find more information about CVE-2019-8844?

You can find more information about CVE-2019-8844 on the Apple support website.

Company

Resources

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