JVN#81659403
Installer of Qua station connection tool for Windows may insecurely load Dynamic Link Libraries
Overview
Installer of Qua station connection tool for Windows may insecurely load Dynamic Link Libraries.
Products Affected
- Qua station connection tool for Windows version 1.00.03
Description
Qua station provided KDDI CORPORATION is a 4G LTE photostrage. Qua station connection tool is used to view data saved on Qua station from a PC and/or save data on a PC. Installer of Qua station connection tool for Windows 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.
The developer states this vulnerability was addressed in the installer of Qua station connection tool for Windows released on 2017 June 22 at 16:00 JST (UTC/GMT + 9hours).
Users who already have installed Qua station connection tool for Windows do not need to re-install the application, because this issue affects the installer only.
Vendor Status
| Vendor | Status | Last Update | Vendor Notes |
|---|---|---|---|
| KDDI CORPORATION | Vulnerable | 2017/08/08 | KDDI CORPORATION website |
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-2017-2289 |
| JVN iPedia |
JVNDB-2017-000191 |