CVE-2024-23222

Apple Multiple Products WebKit Type Confusion

8.8 HIGHActively exploited (CISA KEV)EPSS 10.6%

Published23 Jan 2024
Added to CISA KEV23 Jan 2024
Remediation due13 Feb 2024

Description

A type confusion issue was addressed with improved checks. This issue is fixed in Safari 17.3, iOS 15.8.7 and iPadOS 15.8.7, iOS 16.7.5 and iPadOS 16.7.5, iOS 17.3 and iPadOS 17.3, macOS Monterey 12.7.3, macOS Sonoma 14.3, macOS Ventura 13.6.4, tvOS 17.3, visionOS 1.0.2. Processing maliciously crafted web content may lead to arbitrary code execution. This fix associated with the Coruna exploit was shipped in iOS 17.3 on January 22, 2024. This update brings that fix to devices that cannot update to the latest iOS version.

CVSS 3.1 breakdown

Attack vectorNetwork

Attack complexityLow

Privileges requiredNone

User interactionRequired

ScopeUnchanged

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Affected products

Apple Safari< 17.3

Apple iPadOS≥ 16.0 < 16.7.5 · ≥ 17.0 < 17.3 · < 15.8.7

Apple iPhone OS≥ 16.0 < 16.7.5 · ≥ 17.0 < 17.3 · < 15.8.7

Apple macOS≥ 12.0 < 12.7.3 · ≥ 13.0 < 13.6.4 · ≥ 14.0 < 14.3

Apple Tvos< 17.3

Apple Visionos< 1.0.2

Remediation

Fixed in

Apple Safari≥ 17.3

Apple iPadOS≥ 16.7.5

Apple iPhone OS≥ 16.7.5

Apple macOS≥ 12.7.3

Apple Tvos≥ 17.3

Apple Visionos≥ 1.0.2

Patch & vendor advisories

References

http://seclists.org/fulldisclosure/2024/Feb/6Third Party Advisory
http://seclists.org/fulldisclosure/2024/Jan/34Third Party Advisory
http://seclists.org/fulldisclosure/2024/Jan/40Third Party Advisory
https://lists.fedoraproject.org/archives/list/[email protected]/message/US43EQFC2IS66EA2CPAZFH2RQ6WD7PKF/Broken Link
https://support.apple.com/en-us/118479Release NotesVendor Advisory
https://support.apple.com/en-us/120304Release NotesVendor Advisory
https://support.apple.com/en-us/120305Release NotesVendor Advisory
https://support.apple.com/en-us/120307Release NotesVendor Advisory
https://support.apple.com/en-us/120309Release NotesVendor Advisory
https://support.apple.com/en-us/120310Release NotesVendor Advisory

and 15 more references

Related CVEs

Recent high-severity vulnerabilities sharing a weakness type.

Frequently asked

Is CVE-2024-23222 being actively exploited?

Yes. CVE-2024-23222 is listed in the CISA Known Exploited Vulnerabilities (KEV) catalog, added 23 Jan 2024.

How severe is CVE-2024-23222?

CVE-2024-23222 has a CVSS 3.1 base score of 8.8, rated high. EPSS estimates a 10.6% probability of exploitation.

Which products are affected by CVE-2024-23222?

Affected products include Apple Safari, Apple iPadOS, Apple iPhone OS, Apple macOS, Apple Tvos, and 1 more.

How do I fix CVE-2024-23222?

Upgrade affected software to a fixed version, for example Apple Safari 17.3, Apple iPadOS 16.7.5, Apple iPhone OS 16.7.5 or later, then confirm no affected versions remain in your inventory.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2024-23222 against the real software inventory on every managed device, every day. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. Because it is on the CISA KEV list, Secuno flags any affected asset as top-priority automatically. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

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Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.