Security readout for executives and security teams
Plain-English summary
CVE-2018-9470 is an Android memory safety flaw that could let an attacker elevate privileges through user interaction. The affected code can write outside expected memory bounds. The CVE rates it high severity because successful exploitation could affect confidentiality, integrity, and availability.
Executive priority
Treat this as a high-priority legacy Android exposure issue. The main business risk is unsupported or poorly patched devices, especially where users can install apps or interact with untrusted content.
Technical view
The issue is an out-of-bounds write in bff_Scanner_addOutPos in Scanner.c caused by an incorrect bounds check. The CVE describes remote escalation of privilege from an unprivileged app, with no additional execution privileges required, but user interaction is required.
Likely exposure
Exposure is most likely on Android 7, 8, 8.1, 9, and listed Android development branches that have not received the relevant vendor security update. Managed fleets with legacy Android devices need priority inventory review.
Exploitation context
The source bundle does not show CISA KEV listing or other evidence of active exploitation. Exploitation is described as requiring user interaction and no pre-existing app privileges, so phishing or malicious-content delivery could be relevant, but details are not provided.
Researcher notes
Evidence is limited to the CVE description, affected Android versions, CWE-787 classification, CVSS 8.8 vector, and Android bulletin reference. Do not assume exploit availability, affected downstream OEM builds, or specific patch levels without vendor confirmation.
Mitigation direction
- Review Android September 2018 security bulletin and OEM guidance for fixed builds.
- Prioritize updates for Android 7 through 9 devices still in use.
- Retire or isolate devices that cannot receive vendor security updates.
- Restrict installation from untrusted sources on legacy Android devices.
- Use MDM controls to enforce minimum patch levels where possible.
Validation and detection
- Inventory Android versions across managed and unmanaged mobile fleets.
- Check device security patch levels against vendor guidance.
- Identify Android 7, 8, 8.1, and 9 devices lacking updates.
- Confirm OEM support status for each affected device model.
- Review mobile threat telemetry for suspicious app installation activity.
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-787: 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-2018-9470 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
- High
- CVSS
- 8.8 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
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:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H2.85.9Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
8.8HighVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Source materials
- CVE List V5 sourceCVE List V5
- https://source.android.com/security/bulletin/2018-09-01CVE 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.
Out-of-bounds Write
Out-of-bounds Write represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.