Installer of Qua station connection tool for Windows may insecurely load Dynamic Link Libraries


Qua station provided KDDI CORPORATION is a 4G LTE photostrage. Qua station connection tool is used to view data saved on Qua station from a PC and/or save data on a PC. Installer of Qua station connection tool for Windows contains an issue with the DLL search path, which may lead to insecurely loading Dynamic Link Libraries (CWE-427).

Eili Masami of Tachibana Lab. reported this vulnerability to IPA.
JPCERT/CC coordinated with the developer under Information Security Early Warning Partnership.
CVSS Severity (What is CVSS?)

CVSS V3 Severity:
Base Metrics 7.8 (High) [IPA Score]
  • Attack Vector: Local
  • Attack Complexity: Low
  • Privileges Required: None
  • User Interaction: Required
  • Scope: Unchanged
  • Confidentiality Impact: High
  • Integrity Impact: High
  • Availability Impact: High
CVSS V2 Severity:
Base Metrics 6.8 (Medium) [IPA Score]
  • Access Vector: Network
  • Access Complexity: Medium
  • Authentication: None
  • Confidentiality Impact: Partial
  • Integrity Impact: Partial
  • Availability Impact: Partial
Affected Products

  • Qua station connection tool for Windows version 1.00.03


Arbitrary code may be executed with the privilege of the user invoking the installer.

[Use the latest installer]
Use the latest installer according to the information provided by the developer.
The developer states this vulnerability was addressed in the installer of Qua station connection tool for Windows released on 2017 June 22 at 16:00 JST (UTC/GMT + 9hours).
Users who already have installed Qua station connection tool for Windows do not need to re-install the application, because this issue affects the installer only.
Vendor Information

CWE (What is CWE?)

  1. No Mapping(CWE-Other) [IPA Evaluation]
CVE (What is CVE?)

  1. CVE-2017-2289

  1. JVN : JVN#81659403
  2. JVN : JVNTA#91240916
  3. National Vulnerability Database (NVD) : CVE-2017-2289
Revision History

  • [2017/08/08]
      Web page was published
      References : Content was added