JVN#94056834
Installer of HIBUN Confidential File Viewer may insecurely load Dynamic Link Libraries and invoke executable files
Overview
Installer of HIBUN Confidential File Viewer may insecurely load Dynamic Link Libraries and invoke executable files.
Products Affected
- HIBUN Confidential File Viewer prior to version 11.20.0001
Description
Installer of HIBUN Confidential File Viewer provided by Hitachi Solutions, Ltd. contains an issue with the search path for DLL/executable files, which may lead to insecurely loading Dynamic Link Libraries and invoking executable files (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.
Users who already have installed HIBUN Confidential File Viewer do not need to re-install the application, because this issue affects the installer only.
Vendor Status
| Vendor | Status | Last Update | Vendor Notes |
|---|---|---|---|
| Hitachi | Vulnerable | 2017/10/11 |
| Vendor | Link |
| Hitachi Solutions, Ltd. | HIBUN Insecure DLL Loading Vulnerablity |
References
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Japan Vulnerability Notes 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-2017-10864 |
| JVN iPedia |
JVNDB-2017-000228 |