Security readout for executives and security teams
Plain-English summary
CVE-2018-4104 is an Apple kernel vulnerability affecting older iOS, macOS, tvOS, and watchOS releases. A maliciously crafted app could bypass intended memory-read restrictions. For executives, the main concern is unmanaged legacy Apple devices that can still run untrusted apps and may expose sensitive memory content.
Executive priority
Treat this as a legacy Apple exposure cleanup item, not an emergency based on the provided evidence. Prioritize if older Apple devices still access corporate data or can install unmanaged applications.
Technical view
The CVE record describes a Kernel component issue in iOS before 11.3, macOS before 10.13.4, tvOS before 11.3, and watchOS before 4.3. The reported impact is bypass of intended memory-read restrictions through a crafted app. No CWE, CVSS vector, or detailed root cause is provided in the bundle.
Likely exposure
Exposure is most likely on Apple devices that remain below iOS 11.3, macOS 10.13.4, tvOS 11.3, or watchOS 4.3. Risk is higher where users can install unmanaged apps, where legacy devices remain in service, or where asset inventory does not track OS versions.
Exploitation context
The provided sources do not show CISA KEV listing or active exploitation. The described attack path requires a crafted app, so exploitation appears local or app-mediated based on available evidence. No public exploit steps should be inferred from the bundle.
Researcher notes
Evidence is sparse: the bundle identifies affected versions, component, and impact, but lacks CVSS, CWE, root cause detail, exploit status, or vendor mitigation text beyond fixed version boundaries. Avoid assuming broader code execution or remote exploitation.
Mitigation direction
- Update affected Apple devices to the fixed OS versions or later.
- Prioritize managed endpoints that can install third-party apps.
- Retire Apple devices unable to run supported fixed releases.
- Restrict untrusted app installation where upgrades are delayed.
- Check Apple advisories for product-specific update guidance.
Validation and detection
- Inventory Apple device OS versions across managed and BYOD fleets.
- Flag iOS below 11.3 and macOS below 10.13.4.
- Flag tvOS below 11.3 and watchOS below 4.3.
- Confirm patch status through MDM or endpoint management records.
- Review app installation controls on legacy devices.
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.
CVE-2018-4104 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
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/HT208692CVE reference · x_refsource_CONFIRM
- https://support.apple.com/HT208698CVE reference · x_refsource_CONFIRM
- https://support.apple.com/HT208696CVE reference · x_refsource_CONFIRM
- https://support.apple.com/HT208693CVE 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.