CVE-2019-8812: High severity Apple tvOS vulnerability

Published Oct 28, 2019
·
Updated

Multiple memory corruption issues were addressed with improved memory handling. This issue is fixed in iOS 13.2 and iPadOS 13.2, tvOS 13.2, watchOS 6.1, Safari 13.0.3, iTunes for Windows 12.10.2. Processing maliciously crafted web content may lead to arbitrary code execution.

Other sources

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

WebKitGTK Security Advisory WSA-2019-0006 describes the following issue:

CVE-2019-8812

Impact: Processing maliciously crafted web content may lead to arbitrary code execution. Description: Multiple memory corruption issues were addressed with improved memory handling.

Versions affected: WebKitGTK before 2.26.2 and WPE WebKit before 2.26.2.

— Red Hat

Credit

Cheolung Lee(LINE), found by OSS-Fuzz, Soyeon Park(SSLab at Georgia Tech), JunDong Xie(Ant), Samuel Groß(Google Project Zero), Sergei Glazunov(Google Project Zero), zhunki(Codesafe Team of Legendsec at Qi)

Affected Software

24 affected componentsFixes available
redhat/webkitgtk<2.26.2
2.26.2
Apple tvOS<13.2
13.2
Apple WatchOS<6.1
6.1
Apple iTunes for Windows<12.10.2
12.10.2
Apple Safari<13.0.3
13.0.3
Apple iOS<13.2
13.2
Apple iPadOS<13.2
13.2
Apple Itunes Windows<12.10.2
Apple Safari<13.0.3
Apple iPadOS<13.2
Apple iPhone OS<13.2
Apple tvOS<13.2
Apple WatchOS<6.1
alpine/webkit2gtk<2.26.2-r0
2.26.2-r0
alpine/webkit2gtk<2.26.2-r0
2.26.2-r0
alpine/webkit2gtk<2.26.2-r0
2.26.2-r0
alpine/webkit2gtk<2.26.2-r0
2.26.2-r0
alpine/webkit2gtk<2.26.2-r0
2.26.2-r0
alpine/webkit2gtk<2.26.2-r0
2.26.2-r0
alpine/webkit2gtk<2.26.2-r0
2.26.2-r0
alpine/webkit2gtk<2.26.2-r0
2.26.2-r0
alpine/webkit2gtk<2.26.2-r0
2.26.2-r0
alpine/webkit2gtk<2.26.2-r0
2.26.2-r0
alpine/webkit2gtk<2.26.2-r0
2.26.2-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 2.26.2
  2. Upgrade

    Upgrade tvOS to a version that resolves this vulnerability.

    Fixed in 13.2
  3. Upgrade

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

    Fixed in 6.1
  4. Upgrade

    Upgrade iTunes to a version that resolves this vulnerability.

    Fixed in 12.10.2
  5. Upgrade

    Upgrade Safari to a version that resolves this vulnerability.

    Fixed in 13.0.3
  6. Upgrade

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

    Fixed in 13.2
  7. Upgrade

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

    Fixed in 13.2
  8. Upgrade

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

    Fixed in 2.26.2-r0
  9. Upgrade

    Upgrade iOS/iPadOS to a version that resolves this vulnerability.

    Fixed in 13.2
  10. Upgrade

    Upgrade watchOS to a version that resolves this vulnerability.

    Fixed in 6.1
  11. Upgrade

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

    Fixed in 12.10.2
  12. Upgrade

    Upgrade WebKitGTK to a version that resolves this vulnerability.

    Fixed in 2.26.2
  13. Upgrade

    Upgrade WPE WebKit to a version that resolves this vulnerability.

    Fixed in 2.26.2

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-2019-8812?

CVE-2019-8812 is a vulnerability in WebKit that allows arbitrary code execution when processing maliciously crafted web content.

2

What is the severity of CVE-2019-8812?

CVE-2019-8812 has a severity of 8.8, which is considered high.

3

Which software versions are affected by CVE-2019-8812?

CVE-2019-8812 affects iOS 13.2 and iPadOS 13.2, tvOS 13.2, watchOS 6.1, Safari 13.0.3, iTunes for Windows 12.10.2, and WebKitGTK 2.26.2.

4

How can I fix CVE-2019-8812 on my Apple devices?

To fix CVE-2019-8812 on Apple devices, make sure to update to iOS 13.2 or iPadOS 13.2, tvOS 13.2, watchOS 6.1, Safari 13.0.3, or iTunes for Windows 12.10.2.

5

Where can I find more information about CVE-2019-8812?

You can find more information about CVE-2019-8812 at the following references: [Apple Support](https://support.apple.com/en-us/HT210721), [Red Hat CVE-2019-8812](https://access.redhat.com/security/cve/CVE-2019-8812), [WebKitGTK WSA-2019-0006](https://webkitgtk.org/security/WSA-2019-0006.html).

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