Security readout for executives and security teams
Plain-English summary
CVE-2018-4109 is an Apple Graphics Driver memory-corruption issue. On affected iPhone, Apple TV, and Apple Watch versions, a malicious app could run code with elevated privileges or crash the device. The provided sources do not show active exploitation.
Executive priority
Prioritize remediation for any legacy Apple devices that can install apps, especially in managed corporate fleets. The business risk is privilege-level code execution, but urgency is moderated by age, patch availability, and no cited active exploitation.
Technical view
The issue affects iOS before 11.2.5, tvOS before 11.2.5, and watchOS before 4.2.2. Apple describes a Graphics Driver flaw enabling arbitrary code execution in a privileged context or denial of service through a crafted app.
Likely exposure
Exposure is likely limited to legacy Apple devices still running iOS below 11.2.5, tvOS below 11.2.5, or watchOS below 4.2.2. Modern managed fleets should verify rather than assume absence.
Exploitation context
The source bundle states exploitation requires a crafted app. CVE data marks no KEV listing, and the provided sources do not cite active exploitation, public exploit availability, or remote network exploitation.
Researcher notes
Evidence is sparse: no CVSS, CWE, detailed root cause, exploit telemetry, or patch diff is included. Analysis should stay anchored to Apple’s affected-version statements and the crafted-app attack requirement.
Mitigation direction
- Update iOS devices to 11.2.5 or later where supported.
- Update tvOS devices to 11.2.5 or later where supported.
- Update watchOS devices to 4.2.2 or later where supported.
- For unsupported devices, check Apple guidance and reduce app-installation exposure.
- Use MDM controls to restrict untrusted or unmanaged apps.
Validation and detection
- Inventory Apple devices and record OS versions.
- Flag iOS versions earlier than 11.2.5.
- Flag tvOS versions earlier than 11.2.5.
- Flag watchOS versions earlier than 4.2.2.
- Confirm update compliance through MDM or device-management reporting.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
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.
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.
Open ATT&CK lookupCVE-2018-4109 mapping review
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Open ATT&CK lookup- Severity
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
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.
CVSS and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- https://support.apple.com/HT208462CVE reference · x_refsource_CONFIRM
- https://support.apple.com/HT208464CVE reference · x_refsource_CONFIRM
- https://support.apple.com/HT208463CVE reference · x_refsource_CONFIRM
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.