JVN#65154137
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) may insecurely load Dynamic Link Libraries.
Products Affected
- Installer of 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]
- Installer of 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
Description
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.
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).
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 Status
| Vendor | Link |
| Ministry of Agreculture, Foresty and Fishery | Denshinouhin Check System (for Ministry of Agriculture, Forestry and Fisheries Nouson Seibi Jigyou) |
References
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Japan Vulnerability Note JVNTA#91240916
Insecure DLL Loading and Command Execution Issues on Many Windows Application Programs
JPCERT/CC Addendum
Vulnerability Analysis by JPCERT/CC
| Attack Vector(AV) | Physical (P) | Local (L) | Adjacent (A) | Network (N) |
|---|---|---|---|---|
| Attack Complexity(AC) | High (H) | Low (L) | ||
| Privileges Required(PR) | High (H) | Low (L) | None (N) | |
| User Interaction(UI) | Required (R) | None (N) | ||
| Scope(S) | Unchanged (U) | Changed (C) | ||
| Confidentiality Impact(C) | None (N) | Low (L) | High (H) | |
| Integrity Impact(I) | None (N) | Low (L) | High (H) | |
| Availability Impact(A) | None (N) | Low (L) | High (H) |
| Access Vector(AV) | Local (L) | Adjacent Network (A) | Network (N) |
|---|---|---|---|
| Access Complexity(AC) | High (H) | Medium (M) | Low (L) |
| Authentication(Au) | Multiple (M) | Single (S) | None (N) |
| Confidentiality Impact(C) | None (N) | Partial (P) | Complete (C) |
| Integrity Impact(I) | None (N) | Partial (P) | Complete (C) |
| Availability Impact(A) | None (N) | Partial (P) | Complete (C) |
Comment
This analysis assumes that the user is tricked into placing a malicious DLL file prepared by an attacker in a specific folder.
Credit
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.
Other Information
| JPCERT Alert |
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| JPCERT Reports |
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| CERT Advisory |
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| CPNI Advisory |
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| TRnotes |
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| CVE |
CVE-2017-2188 |
| JVN iPedia |
JVNDB-2017-000126 |
Update History
- 2017/06/15
- Information under [Products Affected] and [Solution] was modified.
- 2017/07/31
- Information under [Products Affected] and [Solution] was modified, and [Credit] was updated.