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[Japanese]
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JVNDB-2018-000047
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IIJ SmartKey App for Android vulnerable to authentication bypass
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IIJ SmartKey App for Android contains an authentication bypass vulnerability.
IIJ SmartKey App for Android provided by Internet Initiative Japan Inc. is an application that enables two-step authentication (two-factor authentication) for a website from an Android device. IIJ SmartKey App for Android contains an authentication bypass vulnerability (CWE-287).
Ryo Tateguchi of AndroPlus reported this vulnerability to IPA.
JPCERT/CC coordinated with the developer under Information Security Early Warning Partnership.
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CVSS V3 Severity:
Base Metrics 3.3 (Low) [IPA Score]
- Attack Vector: Local
- Attack Complexity: Low
- Privileges Required: None
- User Interaction: Required
- Scope: Unchanged
- Confidentiality Impact: Low
- Integrity Impact: None
- Availability Impact: None
CVSS V2 Severity:
Base Metrics 2.6 (Low) [IPA Score]
- Access Vector: Network
- Access Complexity: High
- Authentication: None
- Confidentiality Impact: Partial
- Integrity Impact: None
- Availability Impact: None
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Internet Initiative Japan Inc.
- IIJ SmartKey App for Android version 2.1.0 and earlier
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An attacker may be able to obtain one-time password.
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[Update the Software]
Update to the latest version according to the information provided by the developer.
The developer recommends that users should update the application to 2.1.1 or later version immediately.
[Apply a Workaround]
The following workaround may mitigate the impact of this vulnerability.
*Use the screen lock of Android OS standard function
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Internet Initiative Japan Inc.
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- Improper Authentication(CWE-287) [IPA Evaluation]
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- CVE-2018-0584
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- JVN : JVN#27137002
- National Vulnerability Database (NVD) : CVE-2018-0584
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- [2018/05/11]
Web page was published
- [2019/12/27]
References : Contents were added
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