JVN#06813756
DLL planting vulnerability in multiple Yayoi 17 Series products
Overview
Multiple Yayoi 17 Series products contain a DLL planting vulnerability.
Products Affected
- Yayoi Kaikei 17 Series Ver.23.1.1 and earlier
- Yayoi Aoiro Shinkoku 17 Ver.23.1.1 and earlier
- Yayoi Kyuuyo 17 Ver.20.1.4 and earlier
- Yayoi Kyuuyo Keisan 17 Ver.20.1.4 and earlier
- Yayoi Hanbai 17 Series Ver.20.0.2 and earlier
- Yayoi Kokyaku Kanri 17 Ver.11.0.2 and earlier
Description
Multiple Yayoi 17 Series products provided by Yayoi Co., Ltd. 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 running application.
Solution
Update the Software
Apply the appropriate update according to the information provided by the developer.
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
Eiji James Yoshida of Security Professionals Network Inc. 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-2018-0623 |
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CVE-2018-0624 |
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| JVN iPedia |
JVNDB-2018-000074 |