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[Japanese]
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JVNDB-2023-000057
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"Jiyu Kukan Toku-Toku coupon" App vulnerable to improper server certificate verification
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"Jiyu Kukan Toku-Toku coupon" App provided by RUNSYSTEM CO.,LTD. is vulnerable to improper server certificate verification (CWE-295).
Ryo Nihonyanagi of BroadBand Security, Inc. 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 6.5 (Medium) [IPA Score]
- Attack Vector: Network
- Attack Complexity: High
- Privileges Required: None
- User Interaction: None
- Scope: Unchanged
- Confidentiality Impact: High
- Integrity Impact: Low
- Availability Impact: None
CVSS V2 Severity:
Base Metrics 4.0 (Medium) [IPA Score]
- Access Vector: Network
- Access Complexity: High
- Authentication: None
- Confidentiality Impact: Partial
- Integrity Impact: Partial
- Availability Impact: None
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RUNSYSTEM CO.,LTD.
- Jiyu Kukan Toku-Toku coupon App for iOS versions 3.5.0 and earlier
- Jiyu Kukan Toku-Toku coupon App for Android versions 3.5.0 and earlier
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A man-in-the-middle attack may allow an attacker to eavesdrop on an encrypted communication.
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[Update the application]
Update the application to the latest version according to the information provided by the developer.
[Apply the workaround]
Applying the following workarounds may mitigate the impacts of this vulnerability.
* Use the application while connected to the carrier's network or a trusted Wi-Fi access point
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RUNSYSTEM CO.,LTD.
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- No Mapping(CWE-Other) [IPA Evaluation]
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- CVE-2023-29501
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- JVN : JVN#33836375
- National Vulnerability Database (NVD) : CVE-2023-29501
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- [2023/06/01]
Web page was published
- [2024/05/23]
References : Content was added
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