Security readout for executives and security teams
Plain-English summary
CVE-2018-9413 is an Android Bluetooth-related memory corruption issue that could allow remote code execution on nearby affected devices after user interaction. It is high impact because successful exploitation could compromise confidentiality, integrity, and availability, but the source bundle does not show active exploitation.
Executive priority
Treat this as a high-priority legacy Android exposure issue, especially for fleets with old or unsupported devices. Business urgency depends on whether affected devices remain in use and whether they can be patched or retired.
Technical view
The flaw is an out-of-bounds write in handle_notification_response of btif_rc.cc caused by a missing bounds check. The CVSS vector indicates adjacent access, low attack complexity, no privileges, required user interaction, unchanged scope, and high CIA impact.
Likely exposure
Exposure is most likely on Android 7, 7.1.1, 7.1.2, 8, and 8.1 devices that lack the relevant Android or Pixel security bulletin updates.
Exploitation context
The CVE record indicates adjacent-network exploitation with user interaction required. KEV is false in the provided bundle, and no cited source establishes known active exploitation.
Researcher notes
Evidence supports a Bluetooth stack out-of-bounds write with RCE potential and user interaction. The bundle does not provide exploit details, proof of exploitation, or granular OEM patch mapping, so validation should focus on version and patch-state evidence.
Mitigation direction
- Inventory Android 7.x and 8.x devices, including unmanaged and legacy assets.
- Apply vendor security updates covering the July 2018 Android or Pixel bulletin where available.
- Replace or isolate unsupported affected devices that cannot receive vendor fixes.
- Reduce Bluetooth exposure and pairing opportunities until affected devices are updated.
- Monitor Google and device OEM guidance for model-specific update availability.
Validation and detection
- Confirm OS versions and Android security patch levels across managed mobile fleets.
- Check whether devices include the relevant July 2018 bulletin or OEM-equivalent fix.
- Prioritize devices still running Android 7.x or 8.x without current vendor support.
- Use configuration and patch evidence; do not validate by attempting exploitation.
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
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Open ATT&CK lookupCVE-2018-9413 mapping review
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Open ATT&CK lookup- Severity
- High
- CVSS
- 8 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:A/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:A/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H2.15.9Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
8HighVector: CVSS:3.1/AV:A/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/docs/security/bulletin/pixel/2018-07-01CVE 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.