[Japanese]

JVNDB-2017-000216

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

Overview

Installer of "Flets Setsuzoku 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 Setsuzoku Tool for Windows all versions

Impact

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

[Do not use "Flets Setsuzoku Tool"]
Developer states that they have stopped providing "Flets Setsuzoku Tool" on the website since 2017 June 30.
Do not use "Flets Setsuzoku Tool" because there are no countermeasures provided by the developer against this vulnerability.

For details, refer to the information provided by the developer.
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-2017-2242
References

  1. JVN : JVN#22272314
  2. JVN : JVNTA#91240916
Revision History

[2017/08/25]
  Web page was published