CVE-2023-42917: Apple Multiple Products WebKit Memory Corruption Vulnerability

Published Nov 30, 2023
·
Updated

A memory corruption vulnerability was addressed with improved locking. This issue is fixed in iOS 17.1.2 and iPadOS 17.1.2, macOS Sonoma 14.1.2, Safari 17.1.2. Processing web content may lead to arbitrary code execution. Apple is aware of a report that this issue may have been exploited against versions of iOS before iOS 16.7.1.

Other sources

Accessibility. A privacy issue was addressed with improved private data redaction for log entries.

— Apple

Accounts. A privacy issue was addressed with improved private data redaction for log entries.

— Apple

Apple iOS, iPadOS, macOS, and Safari WebKit contain a memory corruption vulnerability that leads to code execution when processing maliciously crafted web content. This vulnerability could impact HTML parsers that use WebKit, including but not limited to Apple Safari and non-Apple products which rely on WebKit for HTML processing.

— CISA

AVEVideoEncoder. This issue was addressed with improved redaction of sensitive information.

— Apple

ImageIO. The issue was addressed with improved checks.

— Apple

Credit

an anonymous researcher, Zhenjiang Zhao(Pangu Team), Qianxin, Junsung Lee, Meysam Firouzi@@R00tkitSMM, Eloi Benoist-Vanderbeken@@elvanderb(Synacktiv), CVE-2023-42893, Csaba Fitzl@@theevilbit(OffSec), Zhongquan Li@@Guluisacat(Dawn Security Lab of JingDong), Csaba Fitzl@@theevilbit(Offensive Security), Joshua Jewett@@JoshJewett33, Pwn2car, Zoom Offensive Security Team, Clément Lecigne(Google's Threat Analysis Group), Nan Wang@@eternalsakura13(360 Vulnerability Research Institute), rushikesh nandedkar, rushikesh nandedka, Noah Roskin-Frazee, Pr, Kirin@@Pwnrin, Michael DePlante@@izobashi(Trend Micro Zero Day Initiative)

Affected Software

36 affected componentsFixes available
debian/webkit2gtk<=2.36.4-1~deb10u1, <=2.38.6-0+deb10u1, <=2.42.2-1~deb11u1, <=2.42.2-1~deb12u1
2.42.5-1~deb11u12.42.5-1~deb12u12.42.5-12.44.1-1
debian/wpewebkit<=2.38.6-1~deb11u1, <=2.38.6-1
2.42.5-12.44.1-1
ubuntu/webkit2gtk<2.42.3-0ubuntu0.22.04.1
2.42.3-0ubuntu0.22.04.1
ubuntu/webkit2gtk<2.42.3-0ubuntu0.23.04.1
2.42.3-0ubuntu0.23.04.1
ubuntu/webkit2gtk<2.42.3-0ubuntu0.23.10.1
2.42.3-0ubuntu0.23.10.1
ubuntu/webkit2gtk<2.42.3-1
2.42.3-1
ubuntu/webkit2gtk<2.42.3
2.42.3
Apple Multiple Products
Apple macOS Sonoma<14.1.2
14.1.2
Apple tvOS<17.2
17.2
Apple iPhone
Apple Mac
Apple TV
Apple Watch
Apple WatchOS<10.2
10.2
redhat/webkitgtk<2.42.3
2.42.3
Apple Safari<17.1.2
17.1.2
Apple iOS<15.8.1
15.8.1
Apple iPadOS<15.8.1
15.8.1
Apple iOS<17.1.2
17.1.2
Apple iPadOS<17.1.2
17.1.2
Apple iOS<16.7.3
16.7.3
Apple iPadOS<16.7.3
16.7.3
Apple Safari<17.1.2
Apple iPadOS<15.8.1
Apple iPadOS>=16.0<16.7.3
Apple iPadOS>=17.0<17.1.2
Apple iPhone OS<15.8.1
Apple iPhone OS>=16.0<16.7.3
Apple iPhone OS>=17.0<17.1.2
Apple macOS>=14.0<14.1.2
Debian Debian Linux=11.0
Debian Debian Linux=12.0
Fedoraproject Fedora=38
Fedoraproject Fedora=39
WebKitGTK Webkitgtk\+<2.42.3

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

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

    Fixed in 2.42.5-1~deb11u1Fixed in 2.42.5-1~deb12u1Fixed in 2.42.5-1Fixed in 2.44.1-1
  2. Upgrade

    Upgrade debian/wpewebkit to a version that resolves this vulnerability.

    Fixed in 2.42.5-1Fixed in 2.44.1-1
  3. Upgrade

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

    Fixed in 2.42.3-0ubuntu0.22.04.1
  4. Upgrade

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

    Fixed in 2.42.3-0ubuntu0.23.04.1
  5. Upgrade

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

    Fixed in 2.42.3-0ubuntu0.23.10.1
  6. Upgrade

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

    Fixed in 2.42.3-1
  7. Upgrade

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

    Fixed in 2.42.3
  8. Upgrade

    Upgrade Apple macOS to a version that resolves this vulnerability.

    Fixed in 14.1.2
  9. Upgrade

    Upgrade tvOS to a version that resolves this vulnerability.

    Fixed in 17.2
  10. Upgrade

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

    Fixed in 10.2
  11. Upgrade

    Upgrade Safari to a version that resolves this vulnerability.

    Fixed in 17.1.2
  12. Upgrade

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

    Fixed in 15.8.1
  13. Upgrade

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

    Fixed in 15.8.1
  14. Upgrade

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

    Fixed in 17.1.2
  15. Upgrade

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

    Fixed in 17.1.2
  16. Upgrade

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

    Fixed in 16.7.3
  17. Upgrade

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

    Fixed in 16.7.3
  18. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 10.2
  19. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 17.2
  20. Upgrade

    Upgrade redhat/webkitgtk to a version that resolves this vulnerability.

    Fixed in 2.42.3
  21. Upgrade

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

    Fixed in 2.42.5-1~deb11u1
  22. Upgrade

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

    Fixed in 2.42.5-1~deb12u1
  23. Upgrade

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

    Fixed in 2.42.5-1
  24. Upgrade

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

    Fixed in 2.44.1-1
  25. Upgrade

    Upgrade debian/wpewebkit to a version that resolves this vulnerability.

    Fixed in 2.42.5-1
  26. Upgrade

    Upgrade debian/wpewebkit to a version that resolves this vulnerability.

    Fixed in 2.44.1-1

Event History

Nov 30, 2023
CVE Published
via Ubuntu·12:00 AM
CVE Published
via MITRE·10:18 PM
Data Sourced
via MITRE·10:18 PM
DescriptionWeakness
Data Sourced
via NVD·11:15 PM
DescriptionSeverityWeaknessAffected Software
Dec 1, 2023
News Published
09:31 PM
Dec 4, 2023
Known Exploited
via CISA·12:00 AM
Dec 5, 2023
Data Sourced
via Red Hat·07:46 PM
DescriptionSeverityAffected Software
Dec 11, 2023
Data Sourced
via Apple·12:00 AM
DescriptionWeaknessAffected Software
Updated
via Apple·12:00 AM
DescriptionWeakness
Updated
via Apple·12:00 AM
Description
Updated
via Apple·12:00 AM
DescriptionWeaknessAffected Software
Updated
via Apple·12:00 AM
DescriptionAffected Software
Dec 13, 2023
News Published
12:41 AM
Jan 31, 2024
News Published
via BleepingComputer·07:02 PM
News Published
via BleepingComputer·07:04 PM
Feb 1, 2024
Data Sourced
via Launchpad·04:37 PM
Description

Parent advisories

This vulnerability appears in the following advisories.

Peer vulnerabilities

Found alongside the following vulnerabilities.

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Frequently Asked Questions

1

What is CVE-2023-42917?

CVE-2023-42917 is a memory corruption vulnerability in WebKit that allows for arbitrary code execution.

2

Which Apple products are affected by CVE-2023-42917?

Apple Safari, macOS Sonoma, iOS, and iPadOS versions up to and including 17.1.2 are affected by CVE-2023-42917.

3

How was CVE-2023-42917 fixed?

CVE-2023-42917 was fixed with improved locking in iOS 17.1.2 and iPadOS 17.1.2, macOS Sonoma 14.1.2, and Safari 17.1.2.

4

Is there a remedy available for CVE-2023-42917?

Yes, the remedy for CVE-2023-42917 is to update to iOS 17.1.2 and iPadOS 17.1.2, macOS Sonoma 14.1.2, or Safari 17.1.2.

5

Where can I find more information about CVE-2023-42917?

You can find more information about CVE-2023-42917 in the following references: - [Apple Support - HT214031](https://support.apple.com/en-us/HT214031) - [Apple Support - HT214033](https://support.apple.com/en-us/HT214033) - [Apple Support - HT214032](https://support.apple.com/en-us/HT214032)

Company

Resources

Contact

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