JVN#92265618
LINE for Windows may insecurely load Dynamic Link Libraries
Overview
LINE for Windows may insecurely load Dynamic Link Libraries.
Products Affected
- LINE for Windows versions before 5.8.0
Description
LINE for Windows provided by LINE Corporation specifies the path to read DLL when launching software.
If a user launches LINE for Windows by clicking the specially crafted link prepared by a remote attacker, it may result in insecurely loading Dynamic Link Libraries (CWE-427).
Impact
Arbitrary code may be executed with the privilege of the user invoking the software.
Solution
Update the Software
Update the software to the latest version according to the information provided by the developer.
According to the developer, the version 5.8.0 which contains a fix for this vulnerability was released on 2018 May 31, and the update is automatically applied when launching software.
Vendor Status
| Vendor | Link |
| LINE Corporation | [Vulnerabilities] Vulnerability in the LINE Application for Windows PC Has Been Fixed​ |
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 launching LINE for Windows by clicking the specially crafted link prepared by an attacker.
Credit
LINE Corporation reported this vulnerability to JPCERT/CC to notify users of respective solutions through JVN.
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-2018-0609 |
| JVN iPedia |
JVNDB-2018-000063 |