[Japanese]

JVNDB-2017-000214

Installer of "Flets Install Tool" may insecurely load Dynamic Link Libraries

Overview

Installer of "Flets Install Tool" provided by NIPPON TELEGRAPH AND TELEPHONE WEST CORPORATION 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?)

Base Metrics: 6.8 (Medium) [IPA Score]
  • Access Vector: Network
  • Access Complexity: Medium
  • Authentication: None
  • Confidentiality Impact: Partial
  • Integrity Impact: Partial
  • Availability Impact: Partial

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
Affected Products


NIPPON TELEGRAPH AND TELEPHONE WEST CORPORATION
  • Flets Install Tool All versions distributed through the website till 2017 August 8

Impact

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

[Use the latest installer]
Use the latest installer according to the information provided by the developer.

Note that this vulnerability affects the installer only, thus users who have already installed "Flets Install Tool" do not need to re-install the software using the latest installer.
Vendor Information

NIPPON TELEGRAPH AND TELEPHONE WEST CORPORATION
CWE (What is CWE?)

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

  1. CVE-2017-10828
References

  1. JVN : JVN#14926025
  2. JVN : JVNTA#91240916
Revision History

[2017/08/25]
  Web page was published