CVE-2019-8673: High severity Apple tvOS vulnerability

Published Jul 22, 2019
·
Updated

Multiple memory corruption issues were addressed with improved memory handling. This issue is fixed in iOS 12.4, macOS Mojave 10.14.6, tvOS 12.4, Safari 12.1.2, iTunes for Windows 12.9.6, iCloud for Windows 7.13, iCloud for Windows 10.6. 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-2019-0004 describes the following issue:

CVE-2019-8673

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

Versions affected: WebKitGTK and WPE WebKit before 2.24.3.

— Red Hat

Credit

G. Geshev(Trend Micro), Zongming Wang (王宗明), Zhe Jin (金哲)(Chengdu Security Response Center of Qihoo 360 Technology Co), akayn(Trend Micro), Apple, Samuel Groß(Google Project Zero), Soyeon Park, Wen Xu(SSLab at Georgia Tech), Jihui Lu(Tencent KeenLab), Anthony Lai@@darkfloyd1014(Knownsec), Ken Wong@@wwkenwong(VXRL), Jeonghoon Shin@@singi21a(Theori), Johnny Yu@@straight_blast(VX Browser Exploitation Group), Chris Chan@@dr4g0nfl4me(VX Browser Exploitation Group), Phil Mok@@shadyhamsters(VX Browser Exploitation Group), Alan Ho@@alan_h0(Knownsec), Byron Wai(VX Browser Exploitation), P1umer(ADLab of Venustech), G. Geshev(Trend Micro Zero Day Initiative), lokihardt(Google Project Zero), akayn, Dongzhuo Zhao(ADLab of Venustech), Anthony Lai@@darkfloyd1014(VXRL), Eric Lung@@Khlung1(VXRL), Insu Yun(SSLab at Georgia Tech), an anonymous researcher

Affected Software

27 affected componentsFixes available
redhat/webkitgtk<2.24.3
2.24.3
Apple tvOS<12.4
12.4
Apple macOS Mojave<10.14.6
10.14.6
Apple High Sierra
Apple Sierra
Apple iCloud for Windows<7.13
7.13
Apple iCloud for Windows<10.6
10.6
Apple iTunes for Windows<12.9.6
12.9.6
Apple iOS<12.4
12.4
Apple Icloud Windows<7.13
Apple Icloud Windows>=10.0<10.6
Apple Itunes Windows<12.9.6
Apple Safari<12.1.2
Apple iPhone OS<12.4
Apple iOS and macOS<10.14.6
Apple tvOS<12.4
alpine/webkit2gtk<2.24.3-r0
2.24.3-r0
alpine/webkit2gtk<2.24.3-r0
2.24.3-r0
alpine/webkit2gtk<2.24.3-r0
2.24.3-r0
alpine/webkit2gtk<2.24.3-r0
2.24.3-r0
alpine/webkit2gtk<2.24.3-r0
2.24.3-r0
alpine/webkit2gtk<2.24.3-r0
2.24.3-r0
alpine/webkit2gtk<2.24.3-r0
2.24.3-r0
alpine/webkit2gtk<2.24.3-r0
2.24.3-r0
alpine/webkit2gtk<2.24.3-r0
2.24.3-r0
alpine/webkit2gtk<2.24.3-r0
2.24.3-r0
alpine/webkit2gtk<2.24.3-r0
2.24.3-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 2.24.3
  2. Upgrade

    Upgrade tvOS to a version that resolves this vulnerability.

    Fixed in 12.4
  3. Upgrade

    Upgrade macOS Mojave to a version that resolves this vulnerability.

    Fixed in 10.14.6
  4. Upgrade

    Upgrade Apple iCloud to a version that resolves this vulnerability.

    Fixed in 7.13
  5. Upgrade

    Upgrade Apple iCloud to a version that resolves this vulnerability.

    Fixed in 10.6
  6. Upgrade

    Upgrade iTunes to a version that resolves this vulnerability.

    Fixed in 12.9.6
  7. Upgrade

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

    Fixed in 12.4
  8. Upgrade

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

    Fixed in 2.24.3-r0
  9. Upgrade

    Upgrade WebKitGTK and WPE WebKit to a version that resolves this vulnerability.

    Fixed in 2.24.3
  10. Upgrade

    Upgrade iOS to a version that resolves this vulnerability.

    Fixed in 12.4
  11. Upgrade

    Upgrade Safari to a version that resolves this vulnerability.

    Fixed in 12.1.2
  12. Upgrade

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

    Fixed in 12.9.6
  13. Upgrade

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

    Fixed in 7.13
  14. Upgrade

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

    Fixed in 10.6

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-2019-8673?

The severity of CVE-2019-8673 is high.

2

What is the affected software for CVE-2019-8673?

The affected software for CVE-2019-8673 includes iTunes for Windows, iCloud for Windows, Safari, iOS, macOS Mojave, and tvOS.

3

How can I fix CVE-2019-8673?

To fix CVE-2019-8673, update to iOS 12.4, macOS Mojave 10.14.6, tvOS 12.4, Safari 12.1.2, iTunes for Windows 12.9.6, iCloud for Windows 7.13, or iCloud for Windows 10.6.

4

What can happen if I don't fix CVE-2019-8673?

If you don't fix CVE-2019-8673, processing malicious web content can lead to arbitrary code execution.

5

Where can I find more information about CVE-2019-8673?

You can find more information about CVE-2019-8673 at the following links: [Link 1](https://support.apple.com/en-us/HT210348), [Link 2](https://support.apple.com/en-us/HT210351), and [Link 3](https://support.apple.com/en-us/HT210357).

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