JVN#19386781
STAMP Workbench installer may insecurely load Dynamic Link Libraries
Overview
STAMP Workbench installer provided by INFORMATION-TECHNOLOGY PROMOTION AGENCY, JAPAN (IPA) may insecurely load Dynamic Link Libraries.
Products Affected
- STAMP Workbench installer
Description
STAMP Workbench is a modeling tool for STAMP provided by INFORMATION-TECHNOLOGY PROMOTION AGENCY, JAPAN (IPA). It is distirbuted as a ZIP archive or an Windows executable installer.
The Windows executable installer 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 privileges of the user invoking the installer.
Solution
Do not use the installer
When installing the software for the first time, be sure to install it from a ZIP format archive.
IPA states that the distribution of the Windows executable installer has been stopped.
Note that this vulnerability affects the installer only, the application itself is not vulnerable.
Vendor Status
| Vendor | Status | Last Update | Vendor Notes |
|---|---|---|---|
| INFORMATION-TECHNOLOGY PROMOTION AGENCY, JAPAN (IPA) | Vulnerable | 2019/11/26 | INFORMATION-TECHNOLOGY PROMOTION AGENCY, JAPAN (IPA) website |
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
Yuji Tonai of Mitsui Bussan Secure Directions, 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-2019-6019 |
| JVN iPedia |
JVNDB-2019-000071 |