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CVE Record

CVE-2018-4161: An issue was discovered in certain Apple products.

An issue was discovered in certain Apple products. iOS before 11.3 is affected. Safari before 11.1 is affected. iCloud before 7.4 on Windows is affected. iTunes before 12.7.4 on Windows is affected. tvOS before 11.3 is affected. watchOS before 4.3 is affected. The issue involves the "WebKit" component. It allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption and application crash) via a crafted web site.

UnknownCVSS not scoredNot KEV-listedUpdated
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Glexia's TakeAutomated analysishigh

Security readout for executives and security teams

Plain-English summary

CVE-2018-4161 is a WebKit memory corruption flaw in older Apple software. A malicious website could make an affected browser or WebKit-using application crash or run attacker-controlled code. Business risk is highest where legacy Apple devices or Windows hosts with old iCloud or iTunes remain in use.

Executive priority

Treat this as a high-priority legacy exposure issue, not a current emergency based on the supplied evidence. The impact can be severe, but the published fixes are old and no active exploitation evidence is included in the bundle.

Technical view

The CVE description identifies remote arbitrary code execution or denial of service through a crafted website affecting WebKit in iOS before 11.3, Safari before 11.1, iCloud for Windows before 7.4, iTunes for Windows before 12.7.4, tvOS before 11.3, and watchOS before 4.3.

Likely exposure

Exposure is most likely on unmanaged, legacy, or unsupported endpoints still running pre-2018 Apple software versions. Current systems should be less exposed if patched, but older Safari/WebKit surfaces can persist in retained devices, kiosks, lab machines, and Windows hosts with outdated Apple software.

Exploitation context

The bundle supports remote attack through a crafted website. It does not show CISA KEV listing or other evidence of active exploitation. No exploit maturity, public exploit availability, or observed campaign details are provided in the supplied sources.

Researcher notes

The supplied CVE data lacks CVSS, CWE, root-cause detail, and exploit telemetry. Analysis should stay anchored to WebKit memory corruption via crafted website and the listed pre-fixed Apple product versions. Ubuntu is referenced, but package-specific details are not included in the bundle.

Mitigation direction

  • Update iOS devices to 11.3 or later where supported.
  • Update Safari to 11.1 or later.
  • Update iCloud for Windows to 7.4 or later.
  • Update iTunes for Windows to 12.7.4 or later.
  • Update tvOS to 11.3 and watchOS to 4.3 or later.
  • Check Apple and Ubuntu advisories for environment-specific vendor guidance.

Validation and detection

  • Inventory Apple devices and Windows hosts with Apple software installed.
  • Confirm each affected product version is at or above the fixed release.
  • Prioritize unmanaged browsers, shared workstations, kiosks, and legacy devices.
  • Review vulnerability scanner results for CVE-2018-4161 coverage.
  • Verify unsupported devices are retired, isolated, or otherwise risk-accepted.
Prepared
Confidence
medium
Sources
9

Public sources used

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

Conservative CVE-to-ATT&CK context

These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.

ATT&CK lookup starting points

Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.

description · low confidence lookup

Execution behavior lookup

The CVE wording references code or command execution, so execution technique review may help defensive triage. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.

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cve · low confidence lookup

CVE-2018-4161 mapping review

Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.

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Vulnerability profileCVE Program record
Severity
Unknown
CVSS
Not scored
Known Exploited
No
Published
Official CVE source material

CNA and ADP enrichment extracted from CVE v5

These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.

0CVSS vectors
0Timeline events
0ADP providers
8Source links

CVSS and timeline data

No CVSS vectors or timeline events were available in the normalized CVE source material.

Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
n/an/an/aListed
Weakness

CWE details

No CWE listed

CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.