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[Japanese]
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JVNDB-2021-000033
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Hot Pepper Gourmet App fails to restrict access permissions
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Hot Pepper Gourmet App provided by Recruit Co., Ltd. implements the function to access a requested URL using Custom URL Scheme.
This function contains an improper access control vulnerability (CWE-284) that may allow the vulnerable App to receive an request from an arbitrary App and execute access.
Ryo Sato 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 4.3 (Medium) [IPA Score]
- Attack Vector: Network
- Attack Complexity: Low
- Privileges Required: None
- User Interaction: Required
- Scope: Unchanged
- Confidentiality Impact: None
- Integrity Impact: Low
- Availability Impact: None
CVSS V2 Severity:
Base Metrics 4.3 (Medium) [IPA Score]
- Access Vector: Network
- Access Complexity: Medium
- Authentication: None
- Confidentiality Impact: None
- Integrity Impact: Partial
- Availability Impact: None
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RECRUIT CO.,LTD.
- hotpepper gourmet App for Android ver.4.111.0 and earlier
- hotpepper gourmet App for iOS ver.4.111.0 and earlier
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A remote attacker may lead a user to access an arbitrary website via the vulnerable App. As a result, the user may become a victim of a phishing attack.
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[Update the Application]
Update the application to the latest version according to the information provided by the developer.
The developer has released the following versions.
*Hot Pepper Gourmet App for Android ver.4.111.5
*Hot Pepper Gourmet App for iOS ver.4.111.5
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RECRUIT CO.,LTD.
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- Permissions(CWE-264) [IPA Evaluation]
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- CVE-2021-20715
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- JVN : JVN#97434260
- National Vulnerability Database (NVD) : CVE-2021-20715
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- [2021/04/27]
Web page was published
- [2023/03/08]
Overview was modified
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