JVN#71572107
Installer of Vivaldi for Windows may insecurely load executable files
Overview
The installer of Vivaldi for Windows may insecurely load executable files.
Products Affected
- Vivaldi installer for windows prior to version 1.7.735.48
Description
The installer of Vivaldi for Windows contains an issue in the file search path when loading files, which may insecurely load 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 Vivaldi, do not need to re-install the application, because this issue affects the installer only.
Vendor Status
| Vendor | Link |
| Vivaldi Technologies | Vivaldi |
| Vulnerability Disclosure: Vivaldi installer for Windows could run arbitrary downloaded code (JVN#71572107) |
References
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 executable 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-2017-2156 |
| JVN iPedia |
JVNDB-2017-000077 |