CVE-2019-8685: High severity Apple tvOS vulnerability

Published Jul 22, 2019
·
Updated

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

Other sources

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, watchOS 5.3, 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.

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

17 affected componentsFixes available
Apple tvOS<12.4
12.4
Apple macOS Mojave<10.14.6
10.14.6
Apple High Sierra
Apple Sierra
Apple WatchOS<5.3
5.3
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
Apple WatchOS<5.3

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade tvOS to a version that resolves this vulnerability.

    Fixed in 12.4
  2. Upgrade

    Upgrade macOS Mojave to a version that resolves this vulnerability.

    Fixed in 10.14.6
  3. Upgrade

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

    Fixed in 5.3
  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 iOS to a version that resolves this vulnerability.

    Fixed in 12.4
  9. Upgrade

    Upgrade watchOS to a version that resolves this vulnerability.

    Fixed in 5.3
  10. Upgrade

    Upgrade Safari to a version that resolves this vulnerability.

    Fixed in 12.1.2
  11. Upgrade

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

    Fixed in 12.9.6
  12. Upgrade

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

    Fixed in 7.13
  13. 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
Event
06:15 PM

Parent advisories

This vulnerability appears in the following advisories.

Peer vulnerabilities

Found alongside the following vulnerabilities.

Frequently Asked Questions

1

What is CVE-2019-8685?

CVE-2019-8685 is a vulnerability in WebKit that allows for multiple memory corruption issues with improved memory handling.

2

How severe is CVE-2019-8685?

CVE-2019-8685 has a severity rating of 8.8, which is considered critical.

3

Which software versions are affected by CVE-2019-8685?

macOS Mojave up to version 10.14.6, tvOS up to version 12.4, watchOS up to version 5.3, Safari up to version 12.1.2, iTunes for Windows up to version 12.9.6, iCloud for Windows up to version 7.13, and iOS up to version 12.4 are affected by CVE-2019-8685.

4

How can I fix CVE-2019-8685?

To fix CVE-2019-8685, update your software to the latest version: macOS Mojave version 10.14.6, tvOS version 12.4, watchOS version 5.3, Safari version 12.1.2, iTunes for Windows version 12.9.6, iCloud for Windows version 7.13, or iOS version 12.4.

5

Where can I find more information about CVE-2019-8685?

You can find more information about CVE-2019-8685 on the Apple support website. Here are some references: [link1](https://support.apple.com/en-us/HT210348), [link2](https://support.apple.com/en-us/HT210351), [link3](https://support.apple.com/en-us/HT210353).

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