[Japanese]

JVNDB-2018-000014

Application and self-extracting archive containing the application of "FLET'S v4 / v6 address selection tool" may insecurely load Dynamic Link Libraries

Overview

Application and self-extracting archive containing the application of "FLET'S v4 / v6 address selection 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?)

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


NIPPON TELEGRAPH AND TELEPHONE WEST CORPORATION
  • FLET'S v4/v6 address selection tool

Impact

Arbitrary code may be executed with the privilege of the user invoking the application or the self-extracting archive.
Solution

[Do not use "FLET'S v4 / v6 address selection tool"]
Distribution and support of "FLET'S v4 / v6 address selection tool" was ended as of 2018 February 7.
Stop using "FLET'S v4 / v6 address selection tool".

If "FLET'S v4 / v6 address selection tool" obtained from the website before 2018 February 7 resides in your computer and has not yet been installed, do not install it. Delete the executable file immediately.
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-2018-0516
References

  1. JVN : JVN#87403477
  2. JVN : JVNTA#91240916
Revision History

  • [2018/02/13]
      Web page was published