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CVE-2022-48618

Apple Multiple Products Memory Corruption

7.0 HIGHActively exploited (CISA KEV)EPSS 0.49%
  1. Published9 Jan 2024
  2. Added to CISA KEV31 Jan 2024
  3. Remediation due21 Feb 2024
Actively exploited (CISA KEV)

Apple iOS, iPadOS, macOS, tvOS, and watchOS contain a time-of-check/time-of-use (TOCTOU) memory corruption vulnerability that allows an attacker with read and write capabilities to bypass Pointer Authentication.

Added to KEV: 31 Jan 2024Federal remediation due: 21 Feb 2024

Description

The issue was addressed with improved checks. This issue is fixed in macOS Ventura 13.1, watchOS 9.2, iOS 16.2 and iPadOS 16.2, tvOS 16.2. An attacker with arbitrary read and write capability may be able to bypass Pointer Authentication. Apple is aware of a report that this issue may have been exploited against versions of iOS released before iOS 15.7.1.

CVSS 3.1 breakdown

Attack vectorLocal
Attack complexityHigh
Privileges requiredLow
User interactionNone
ScopeUnchanged
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected products

Apple iPadOS< 16.2
Apple iPhone OS< 16.2
Apple macOS≥ 13.0 < 13.1
Apple Tvos< 16.2
Apple Watchos< 9.2

Remediation

Fixed in
Apple iPadOS≥ 16.2
Apple iPhone OS≥ 16.2
Apple macOS≥ 13.1
Apple Tvos≥ 16.2
Apple Watchos≥ 9.2

References

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Frequently asked

Is CVE-2022-48618 being actively exploited?

Yes. CVE-2022-48618 is listed in the CISA Known Exploited Vulnerabilities (KEV) catalog, added 31 Jan 2024.

How severe is CVE-2022-48618?

CVE-2022-48618 has a CVSS 3.1 base score of 7.0, rated high. EPSS estimates a 0.49% probability of exploitation.

Which products are affected by CVE-2022-48618?

Affected products include Apple iPadOS, Apple iPhone OS, Apple macOS, Apple Tvos, Apple Watchos.

How do I fix CVE-2022-48618?

Upgrade affected software to a fixed version, for example Apple iPadOS 16.2, Apple iPhone OS 16.2, Apple macOS 13.1 or later, then confirm no affected versions remain in your inventory.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2022-48618 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.