Security readout for executives and security teams
Plain-English summary
This CVE describes a buffer overflow in Samsung mobile devices running Android N (7.x). A large frame size could cause code execution inside a privileged vision service. That makes affected devices important to identify, but the source bundle does not provide CVSS, affected model lists, or patch details.
Executive priority
Prioritize this for environments still using older Samsung Android devices, especially where devices access corporate data. The business issue is not a broad confirmed campaign, but an older privileged code-execution flaw with incomplete public remediation detail.
Technical view
CVE-2018-9139, also tracked by Samsung as SVE-2017-11165, is a buffer overflow in the Samsung vision service on N (7.x) software. The stated impact is code execution in a privileged process via a large frame size. No CWE, CVSS vector, or device model matrix is provided in the bundle.
Likely exposure
Exposure appears limited to Samsung mobile devices running N (7.x) software. The bundle does not identify specific models, regions, carriers, firmware builds, or patch levels, so asset validation depends on device inventory and Samsung guidance.
Exploitation context
The bundle does not state active exploitation, public exploit availability, or inclusion in CISA KEV. Treat exploitation status as unconfirmed. The vulnerability class and privileged-process impact are serious, but evidence is insufficient to claim observed attacks.
Researcher notes
Key gaps are CVSS, CWE, model coverage, affected build ranges, and fixed patch levels. The only technical detail in the bundle is the large-frame-size trigger against the vision service. Avoid assuming exploitability conditions beyond the published description.
Mitigation direction
- Check Samsung Mobile Security guidance for SVE-2017-11165 and CVE-2018-9139.
- Inventory Samsung devices still running N (7.x) software.
- Apply relevant Samsung firmware or security updates where vendor guidance confirms coverage.
- Replace or isolate devices that cannot receive vendor-supported updates.
Validation and detection
- Confirm device vendor, model, Android version, firmware build, and security patch level.
- Map Samsung devices running N (7.x) against Samsung's security update information.
- Verify whether mobile device management reports any affected legacy builds.
- Document unsupported devices and compensating controls for residual risk.
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-2018-9139 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://security.samsungmobile.com/securityUpdate.smsbCVE 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.