JVN#73559859
Installer of Shin Kikan Toukei Houkoku Data Nyuryokuyou Program may insecurely load Dynamic Link Libraries
Overview
Installer of Shin Kikan Toukei Houkoku Data Nyuryokuyou Program provided by Agency for Natural Resources and Energy of Ministry of Economy,Trade and Industry (METI) may insecurely load Dynamic Link Libraries.
Products Affected
- Installer of Shin Kikan Toukei Houkoku Data Nyuryokuyou Program (version released on 2013 September 30), "
setup基幹統計入力.exe" (distributed on the website till 2017 May 17)
Description
Installer of Shin Kikan Toukei Houkoku Data Nyuryokuyou Program provided by Agency for Natural Resources and Energy of METI contains an issue with the DLL search path, which may lead to insecurely loading Dynamic Link Libraries (CWE-427).
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.
When installing Shin Kikan Toukei Houkoku Data Nyuryokuyou Program, be sure to check there are no suspicious files besides "setup基幹統計入力.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 Shin Kikan Toukei Houkoku Data Nyuryokuyou Program do not need to re-install the software using the latest installer.
Vendor Status
| Vendor | Link |
| Agency for Natural Resources and Energy of Ministry of Economy,Trade and Industry (METI) | "Shin Kikan Toukei Houkoku Data Nyuryokuyou Program" download page |
References
-
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. 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-2017-10821 |
| JVN iPedia |
JVNDB-2017-000199 |