Security readout for executives and security teams
Plain-English summary
This CVE is a moderate Android information-disclosure issue in NVIDIA's Widevine Trustlet. On Android devices below the 2018-05-05 security patch level, the trustlet may read outside an intended memory buffer, potentially exposing data. The public sources do not identify specific device models or sensitive data types exposed.
Executive priority
Treat this as a patch-compliance issue rather than an emergency. The impact is information disclosure in a trusted media component, but the public record rates it moderate and provides no evidence of exploitation. Risk rises for legacy Android fleets that cannot be patched.
Technical view
CVE-2018-6246 affects NVIDIA Widevine TA on Android before the 2018-05-05 security patch level. The flaw is an out-of-bounds read, described as reading past the end or before the beginning of a buffer, with possible information disclosure. No CVSS, CWE, exploit details, or affected model list are provided in the bundle.
Likely exposure
Exposure is most likely on Android devices using NVIDIA's Widevine Trustlet that remain below the 2018-05-05 security patch level. The source bundle does not enumerate vendors, models, chipsets, or Android versions beyond that patch-level condition.
Exploitation context
The bundle provides no evidence of active exploitation, and KEV status is false. Public detail is limited to the vulnerability class, affected component, Android bug reference A-69383916, and the Android security patch level that addresses it.
Researcher notes
Useful identifiers are Android A-69383916 and N-CVE-2018-6246. The provided sources lack CVSS, CWE, model-specific affected ranges, attack prerequisites, and proof-of-concept status. Avoid assuming exploitability beyond the stated out-of-bounds read and possible information disclosure.
Mitigation direction
- Update affected Android devices to the 2018-05-05 security patch level or later.
- Check OEM or device vendor advisories for NVIDIA Widevine Trustlet coverage.
- Prioritize managed devices with outdated Android patch levels for remediation.
- Retire or isolate devices that cannot receive the relevant security patch.
Validation and detection
- Inventory Android devices and record their security patch levels.
- Identify devices that include NVIDIA Widevine Trustlet or Widevine TA components.
- Confirm each in-scope device is at 2018-05-05 patch level or later.
- Review MDM, EDR, or fleet records for unsupported Android builds.
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-2018-6246 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://source.android.com/security/bulletin/pixel/2018-05-01CVE 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.