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CVE Record

CVE-2018-4165: 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. 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-2018-4165 is a WebKit memory corruption issue affecting older Apple software. A malicious website could make the affected browser or WebKit-using application crash, or potentially run attacker-controlled code. The provided sources do not show active exploitation, but the remote browsing attack path makes legacy unpatched systems a serious concern.

Executive priority

Prioritize remediation for any legacy systems that still browse the web or process web content. This is not KEV-listed in the provided data, but remote code execution through crafted websites can create meaningful business risk when outdated software remains deployed.

Technical view

The vulnerability is in WebKit and affects iOS before 11.3, Safari before 11.1, iCloud for Windows before 7.4, iTunes for Windows before 12.7.4, and tvOS before 11.3. The stated impact is arbitrary code execution or denial of service through crafted web content. No CVSS, CWE, or detailed root cause is provided.

Likely exposure

Exposure is most likely on unmanaged or legacy Apple devices, old Safari installations, Apple TV systems, and Windows hosts retaining outdated iCloud or iTunes. Fully updated modern fleets are less likely exposed, but version verification is required.

Exploitation context

The source bundle describes remote exploitation through a crafted website. CISA KEV status is false, and the provided sources do not cite active exploitation in the wild. Treat this as remotely reachable through user browsing, not as confirmed exploited.

Researcher notes

Evidence is limited to advisory-level detail. The CVE record does not provide CVSS, CWE mapping, exploit maturity, or technical internals beyond WebKit memory corruption. Avoid assuming affected downstream packages except where vendor advisories explicitly apply to the environment.

Mitigation direction

  • Update iOS to 11.3 or later where applicable.
  • Update Safari to 11.1 or later where applicable.
  • Update iCloud for Windows to 7.4 or later.
  • Update iTunes for Windows to 12.7.4 or later.
  • Update tvOS to 11.3 or later where applicable.
  • Check Apple, Gentoo, and Ubuntu advisories for platform-specific guidance.

Validation and detection

  • Inventory devices and software versions against the affected product list.
  • Confirm MDM or endpoint records show the fixed Apple versions or later.
  • Identify Windows hosts with legacy iCloud or iTunes installations.
  • Review browser and application crash telemetry for unusual WebKit-related crashes.
  • Verify downstream Linux WebKit packages against Gentoo or Ubuntu advisories if used.
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-2018-4165 mapping review

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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.