CVE-2019-8763: High severity Apple tvOS vulnerability

Published Sep 24, 2019
·
Updated

Multiple memory corruption issues were addressed with improved memory handling. This issue is fixed in iOS 13.1 and iPadOS 13.1, tvOS 13, Safari 13.0.1, iTunes for Windows 12.10.1, iCloud for Windows 10.7, iCloud for Windows 7.14. 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-2019-0005 describes the following issue:

CVE-2019-8763

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 2.24.4 and WPE WebKit before 2.24.3.

— Red Hat

Credit

found by OSS-Fuzz, zhunki(Codesafe Team of Legendsec at Qi), Dongzhuo Zhao(ADLab of Venustech), Sergei Glazunov(Google Project Zero), Samuel Groß(Google Project Zero), an anonymous researcher(Trend Micro), cc(Trend Micro Zero Day Initiative), Jihui Lu(Tencent KeenLab), Junho Jang(LINE Security Team), Hanul Choi(ABLY Corporation), G. Geshev(Trend Micro Zero Day Initiative)

Affected Software

26 affected componentsFixes available
redhat/webkitgtk<2.24.4
2.24.4
Apple tvOS<13
13
Apple iCloud for Windows<7.14
7.14
Apple iCloud for Windows<10.7
10.7
Apple iTunes for Windows<12.10.1
12.10.1
Apple Safari<13.0.1
13.0.1
Apple iOS<13.1
13.1
Apple iPadOS<13.1
13.1
Apple Icloud Windows<7.14
Apple Icloud Windows>=10.0<10.7
Apple Itunes Windows<12.10.1
Apple Safari<13.0.1
Apple iPadOS<13.1
Apple iPhone OS<13.1
Apple tvOS<13
alpine/webkit2gtk<2.24.4-r0
2.24.4-r0
alpine/webkit2gtk<2.24.4-r0
2.24.4-r0
alpine/webkit2gtk<2.24.4-r0
2.24.4-r0
alpine/webkit2gtk<2.24.4-r0
2.24.4-r0
alpine/webkit2gtk<2.24.4-r0
2.24.4-r0
alpine/webkit2gtk<2.24.4-r0
2.24.4-r0
alpine/webkit2gtk<2.24.4-r0
2.24.4-r0
alpine/webkit2gtk<2.24.4-r0
2.24.4-r0
alpine/webkit2gtk<2.24.4-r0
2.24.4-r0
alpine/webkit2gtk<2.24.4-r0
2.24.4-r0
alpine/webkit2gtk<2.24.4-r0
2.24.4-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 2.24.4
  2. Upgrade

    Upgrade tvOS to a version that resolves this vulnerability.

    Fixed in 13
  3. Upgrade

    Upgrade Apple iCloud to a version that resolves this vulnerability.

    Fixed in 7.14
  4. Upgrade

    Upgrade Apple iCloud to a version that resolves this vulnerability.

    Fixed in 10.7
  5. Upgrade

    Upgrade iTunes to a version that resolves this vulnerability.

    Fixed in 12.10.1
  6. Upgrade

    Upgrade Safari to a version that resolves this vulnerability.

    Fixed in 13.0.1
  7. Upgrade

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

    Fixed in 13.1
  8. Upgrade

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

    Fixed in 13.1
  9. Upgrade

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

    Fixed in 2.24.4-r0
  10. Upgrade

    Upgrade iOS to a version that resolves this vulnerability.

    Fixed in 13.1
  11. Upgrade

    Upgrade iPadOS to a version that resolves this vulnerability.

    Fixed in 13.1
  12. Upgrade

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

    Fixed in 12.10.1
  13. Upgrade

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

    Fixed in 10.7
  14. Upgrade

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

    Fixed in 7.14
  15. Upgrade

    Upgrade WebKitGTK to a version that resolves this vulnerability.

    Fixed in 2.24.4
  16. Upgrade

    Upgrade WPE WebKit to a version that resolves this vulnerability.

    Fixed in 2.24.3

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 the severity of CVE-2019-8763?

The severity of CVE-2019-8763 is high with a severity value of 8.8.

2

Which software versions are affected by CVE-2019-8763?

CVE-2019-8763 affects various software versions including iOS 13.1 and iPadOS 13.1, tvOS 13, Safari 13.0.1, iTunes for Windows 12.10.1, and iCloud for Windows 10.7 and 7.14.

3

How can I fix CVE-2019-8763?

To fix CVE-2019-8763, update to the patched versions provided by Apple: iOS 13.1 and iPadOS 13.1, tvOS 13, Safari 13.0.1, iTunes for Windows 12.10.1, and iCloud for Windows 10.7 and 7.14.

4

What is the Common Weakness Enumeration (CWE) for CVE-2019-8763?

The CWE for CVE-2019-8763 is 787.

5

Where can I find more information about CVE-2019-8763?

More information about CVE-2019-8763 can be found on Apple's official support page: [link](https://support.apple.com/en-us/HT210603), [link](https://support.apple.com/en-us/HT210604), [link](https://support.apple.com/en-us/HT210636).

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