Security readout for executives and security teams
Plain-English summary
This Android flaw can expose sensitive local data because part of the audio policy service may return uninitialized memory. It requires local access with low privileges and no user interaction. The main business concern is legacy or unmanaged Android devices that remain on affected versions without the relevant vendor security update.
Executive priority
Treat this as a moderate legacy-device risk. It is not evidenced as actively exploited, but affected Android versions are old and may signal broader patch hygiene problems. Prioritize inventory, patch verification, and replacement planning for devices that cannot be updated.
Technical view
CVE-2018-9346 is an information disclosure issue in BnAudioPolicyService::onTransact in AudioPolicyService.cpp, attributed to uninitialized data. CVSS 3.1 is 5.5: local attack vector, low complexity, low privileges, no user interaction, high confidentiality impact, and no integrity or availability impact.
Likely exposure
Exposure is most likely on Android 6, 6.0.1, 7, 8, 8.1, and listed NYC development branches. Other versions are not identified as affected in the supplied record. Risk is concentrated in legacy Android fleets, unmanaged personal devices, kiosks, and embedded Android deployments.
Exploitation context
The supplied sources do not show active exploitation, and the CVE is not listed as KEV. Exploitation is described as local, requiring low privileges but no user interaction. The practical impact is confidentiality loss rather than system compromise, data modification, or service outage.
Researcher notes
The record identifies CWE-908 and a local information disclosure path in Android AudioPolicyService. The supplied evidence does not include exploit details, proof-of-concept status, or product-specific OEM patch mappings. Validation should stay focused on affected-version exposure and vendor bulletin correlation.
Mitigation direction
- Review the Android June 2018 security bulletin and relevant OEM guidance.
- Apply vendor-provided Android security updates that address CVE-2018-9346.
- Prioritize unsupported or unmanaged devices running listed affected Android versions.
- Replace devices that cannot receive applicable vendor security updates.
Validation and detection
- Inventory Android devices by OS version and security patch level.
- Identify devices running the affected versions listed in the CVE record.
- Confirm OEM advisories or build notes reference the applicable Android June 2018 fixes.
- Track remediation evidence in MDM, asset, or vulnerability management records.
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.
CWE-908: Exact CWE lookup
Use the exact CWE identifier as the starting point before reviewing related ATT&CK behavior. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupCVE-2018-9346 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
- Medium
- CVSS
- 5.5 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
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 vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N1.83.6Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
5.5MediumVector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Source materials
- CVE List V5 sourceCVE List V5
- https://source.android.com/security/bulletin/2018-06-01CVE reference
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.
Use of Uninitialized Resource
Use of Uninitialized Resource represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.