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Apple · Memory corruption

Apple iOS and iPadOS Use-After-Free Vulnerability

CVE-2023-41974

What this means

This is rated high severity (7.8 out of 10). It is on the known-exploited catalogue, which means attacks using it have already been seen. Ask IT whether Apple Ipados and Apple Iphone Os are in your estate, and treat that as the priority.

Full vendor description

A use-after-free issue was addressed with improved memory management. This issue is fixed in iOS 17 and iPadOS 17, iOS 15.8.7 and iPadOS 15.8.7. An app may be able to execute arbitrary code with kernel privileges.

Scoring and exploitation

7.8/ 10
CVSS 3.1 base scoreHigh

Exploitable only with local access without any account, but only if a user takes an action, such as opening a file or link. High impact on confidentiality, integrity and availability.

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

Exploitability

Longer bar: easier to attack

Attack vectorLocalAV:L
Attack complexityLowAC:L
Privileges requiredNonePR:N
User interactionRequiredUI:R
ScopeUnchangedS:U

Impact

Longer bar: more harm

ConfidentialityHighC:H
IntegrityHighI:H
AvailabilityHighA:H
~2% estimated chance of attack in 30 daysModel estimate (): a probability signal, not confirmed exploitation
Exploited in the wild
Yes — confirmed exploitation (US CISA )
Not reported
Listed product
Apple iOS and iPadOS

Weaknesses

CWE-416

Affected products ()

  • Apple Ipados
  • Apple Iphone Os
Show the raw CPE strings (2)
  • cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*
  • cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*

References

6 links from the CVE record, grouped by site; the vendor's advisory comes first.

Related feed events

  • Apple iOS and iPadOS Use-After-Free Vulnerability

    Type Vulnerability

    Known-exploited catalogue reports exploitation in the wild.

    Next step: Confirm whether Apple iOS is in your estate.

    Who's reporting

    1 of 3 perspectives

    Official authority: Official 1Vendor statement missing. no VendorResearcher coverage missing. no Researcher1 signal

    Only official coverage so far. Treat as an early signal.

    Apple iOSApple iPadOS
    CVE-2023-41974