dbcve.org
FlashairApplication · Toshiba

CVE-2017-2149

HIGH · 8.8 CVSS v3.0 Published 2017-04-28
Fix available
A fix is available. Upgrade to after 3.0.2 or later.
See remediation →
95/100
Remediation priority · Urgent
Remotely reachable No privileges

Official description Straight from the sourceThe vendor's or NVD's own wording, published unedited. Authoritative, but often terse — it says what broke, rarely what to do.

NVD · unedited
Untrusted search path vulnerability in installers of the software for SDHC/SDXC Memory Card with embedded NFC functionality Software Update Tool V1.00.03 and earlier, SDHC Memory Card with embedded wireless LAN functionality FlashAir Configuration Software V3.0.2 and earlier, SDHC Memory Card with embedded wireless LAN functionality FlashAir Software Update tool (SD-WE series<W-03>) V3.00.01, SDHC Memory Card with embedded wireless LAN functionality FlashAir Software Update tool (SD-WD/WC series<W-02>) V2.00.03 and earlier, SDHC Memory Card with embedded wireless LAN functionality FlashAir Software Update tool (SD-WB/WL series) V1.00.04 and earlier, SDHC Memory Card with embedded TransferJet functionality Configuration Software V1.02 and earlier, SDHC Memory Card with embedded TransferJet functionality Software Update tool V1.00.06 and earlier allows remote attackers to gain privileges via a Trojan horse DLL in an unspecified directory.

Technical summary Written by usOur analysis, written from the advisory, the CVSS vector and the affected-version data. It adds context the advisory leaves out, and never invents facts that are not in the source.

dbcve analysis · high confidence

This is a DLL hijacking vulnerability in installer software for Toshiba memory cards with NFC, wireless LAN (FlashAir), and TransferJet functionality. The installers use an untrusted search path, allowing remote attackers to place a malicious DLL in an unspecified directory that gets loaded with elevated privileges during installation, enabling privilege escalation.

MitigationObtain and deploy updated installer versions from the vendor (Toshiba/Sandisk) that fix the untrusted search path issue. Verify that installer directories do not contain unauthorized DLLs before running installations.

Verify against the referenced sources before acting — the references below are authoritative for this CVE, this summary is not.

Affected products & versions What the vendor confirmedThe version ranges the vendor confirmed as vulnerable. If your version sits inside a range here, treat yourself as exposed until you have upgraded.

NVD · CPE data
FlashairApplication
Affected:<= 1.00.03<= 1.00.04<= 1.00.06<= 1.02<= 2.00.03<= 3.00.01<= 3.0.2

CVSS breakdown How the score is builtThe industry scoring standard. It rates how the flaw is reached, what it takes to exploit, and what an attacker gains — the score is derived from those, not the other way round.

From the vector
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Am I affected? How to checkSteps we derive from the advisory and the affected-version data, so you can decide whether this CVE reaches your setup. They are a guide, not a scan — your own configuration is the authority.

dbcve checks

Work through these to decide whether this CVE applies to you.

  1. Identify installed Toshiba FlashAir software
    Check Program Files, Program Files (x86), and Add/Remove Programs for Toshiba FlashAir entries. Also check for any Toshiba or Sandisk memory card utility software that handles FlashAir functionality.
    Affected if Toshiba FlashAir installer or related utility software is found with version <= 1.00.03, <= 1.00.04, <= 1.00.06, <= 2.00.03, <= 3.00.01, or <= 3.0.2
  2. Locate FlashAir installer executable and verify version
    Find the installer executable file on the system or in download folders. Right-click to view Properties and check the Details tab for version information, or run the installer with version check flags if available.
    Affected if The installer version matches any of the vulnerable version ranges listed in the affected products
  3. Inspect installer directory for unexpected DLLs
    Open the directory containing the FlashAir installer executable. Examine all DLL files present in that folder. Look for DLLs that are not part of the official installer package.
    Affected if Unexpected or unauthorized DLL files exist in the same directory as the installer executable
  4. Check for DLL search path vulnerability in installer
    Use Process Monitor or similar tool to trace DLL loading when running the installer. Observe whether the installer loads DLLs from the current working directory before checking system directories.
    Affected if The installer loads DLLs from its own directory without validation, enabling hijacking
  5. Review recent installation activity logs
    Check Windows Event Viewer under Windows Logs > Application for recent entries related to Toshiba FlashAir or memory card installer installations.
    Affected if Recent installation events show the vulnerable installer was run on the system

A user is affected if Toshiba FlashAir installer software with a version matching the affected ranges is present on the system and the installer directory contains unexpected DLL files or exhibits untrusted search path behavior.

Generated from the published advisory. Verify against your own configuration.

Check your environment

Paste your version and any relevant configuration and it will be compared against the affected criteria above. Do not include secrets or credentials.

AI-assisted, checked against the advisory. Informational, not a guarantee.

Remediation Closing itWhat it takes to close this. Where a vendor fix exists we point at it; where none exists we say so plainly, and can build one. Effort estimates are scoped from the advisory, not from your codebase.

From vendor data
Upgrade available Upgrade to a release after 3.0.2
Interim mitigation

Obtain and deploy updated installer versions from the vendor (Toshiba/Sandisk) that fix the untrusted search path issue. Verify that installer directories do not contain unauthorized DLLs before running installations.

Fix this in Flashair Scoped from the published advisory
  • Consultation4.0 h
  • Implementation8.0 h
  • Testing3.0 h
  • Review / QA2.0 h
17.0 hours of engineering $3,050
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An estimate, not a bill — we confirm scope with you before any work starts. Need it this week? Rush from $4,880.

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References Go to the primary sourcePrimary sources — vendor advisories, patches and trackers. Where our summary and a reference disagree, the reference wins.

Primary sources

Practitioner notes

Contributed

Peer-ranked notes from engineers who’ve handled CVE-2017-2149 in production — separate from our analysis above.

No notes yet

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What this is

A place for practitioners to share what actually worked: a mitigation you’ve tested, a configuration change, a version- or environment-specific caveat, or a link to a verified patch. The most useful notes rise to the top as peers upvote them, so the signal stays high.

What belongs here
  • Verified mitigations, workarounds, and config changes
  • Version or environment caveats, and links to real fixes
  • No weaponised exploit code, or anything meant to cause harm
  • No spam, self-promotion, credentials, or personal data