[Japanese]

JVNDB-2017-000126

Installer of Denshinouhin Check System (for Ministry of Agriculture, Forestry and Fisheries Nouson Seibi Jigyou) may insecurely load Dynamic Link Libraries

Overview

Installer of Denshinouhin Check System (for Ministry of Agriculture, Forestry and Fisheries Nouson Seibi Jigyou) contains an issue with the DLL search path, which may lead to insecurely loading Dynamic Link Libraries.

Eili Masami of Tachibana Lab. and BlackWingCat of Pink Flying Whale 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]
  • Access Vector: Local
  • Attack Complexity: Low
  • Privileges Required: None
  • User Interaction: Required
  • Scope: Unchanged
  • Confidentiality Impact: High
  • Integrity Impact: High
  • Availability Impact: High
Affected Products


Ministry of Agriculture, Forestry and Fisheries
  • Denshinouhin Check System (for Ministry of Agriculture, Forestry and Fisheries Nouson Seibi Jigyou) 2014 March Edition (Ver.8.0.001.001) [Updated on 2016 May 31] and earlier installer
  • Denshinouhin Check System (for Ministry of Agriculture, Forestry and Fisheries Nouson Seibi Jigyou) 2014 March Edition (Ver.9.0.001.001) [Updated on 2017 June 9] and earlier installer

Impact

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

[Use the latest installer]
The user who had downloaded the installer of Denshinouhin Check System (for Ministry of Agriculture, Forestry and Fisheries Nouson Seibi Jigyou) before 2017 June 12 but have not yet installed the Denshinouhin Check System (for Ministry of Agriculture, Forestry and Fisheries Nouson Seibi Jigyou) should follow the instructions below.

* Step 1: Delete Denshinouhin Check System (for Ministry of Agriculture, Forestry and Fisheries Nouson Seibi Jigyou) obtained from the website before 2017 June 12.
* Step 2: Download Installer of Denshinouhin Check System (for Ministry of Agriculture, Forestry and Fisheries Nouson Seibi Jigyou) 2014 March Edition (Ver.9.0.001.002) then install Denshinouhin Check System (for Ministry of Agriculture, Forestry and Fisheries Nouson Seibi Jigyou).

Also when installing Denshinouhin Check System (for Ministry of Agriculture, Forestry and Fisheries Nouson Seibi Jigyou), be sure to check there are no suspicious files besides "setup.exe" in the folder which was extracted from the zip file.

Note that this vulnerability affects the installer only, thus users who have already installed Denshinouhin Check System (for Ministry of Agriculture, Forestry and Fisheries Nouson Seibi Jigyou) do not need to re-install the software using newer version (Ver.9.0.001.002).
Vendor Information

Ministry of Agriculture, Forestry and Fisheries
CWE (What is CWE?)

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

  1. CVE-2017-2188
References

  1. JVN : JVN#65154137
  2. JVN : JVNTA#91240916
Revision History

[2017/06/09]
  Web page was published
[2017/06/16]
  Affected Products : Product was added 
  Solution was modified
[2017/07/31]
  Overview was modified
  Affected Products : Content was modified
  Solution was modified