JVN#52691241
Multiple installers of the software provided by Geospatial Information Authority of Japan (GSI) may insecurely load Dynamic Link Libraries
Overview
Multiple installers of the software provided by Geospatial Information Authority of Japan (GSI) may insecurely load Dynamic Link Libraries.
Products Affected
The instalers of the following software are affected:
- PatchJGD (PatchJGD101.EXE) ver. 1.0.1 [CVE-2017-2210]
- PatchJGD（Hyoko） (PatchJGDh101.EXE) ver. 1.0.1 [CVE-2017-2211]
- TKY2JGD (TKY2JGD1379.EXE) ver. 1.3.79 [CVE-2017-2212]
- SemiDynaEXE (SemiDynaEXE2008.EXE) ver. 1.0.2 [CVE-2017-2213]
Description
Multiple installers of the software provided by Geospatial Information Authority of Japan (GSI) contain 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 installers.
Solution
Do not use the installers
The developer has stated that the development and support of the software has been discontinued, thus recommends users to stop using the installers.
Users who already have installed the software do not need to re-install the software, because this issue affects the installers only.
Vendor Status
| Vendor | Link |
| Geospatial Information Authority of Japan (GSI) | Installers of "TKY2JGD", "SemiDynaEXE", "PatchJGD" and "PatchJGD(Hyoko)" may insecurely load Dynamic Link Libraries. Providing of these installers has ended. |
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. 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-2017-2210 |
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CVE-2017-2211 |
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CVE-2017-2212 |
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CVE-2017-2213 |
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| JVN iPedia |
JVNDB-2017-000121 |
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JVNDB-2017-000122 |
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JVNDB-2017-000123 |
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JVNDB-2017-000124 |