JVN#56648919
"Rakuten Ichiba App" fails to restrict custom URL schemes properly
Overview
"Rakuten Ichiba App" provided by Rakuten Group, Inc. fails to restrict custom URL schemes properly.
Products Affected
- "Rakuten Ichiba App" for Android versions 12.4.0 and earlier
- "Rakuten Ichiba App" for iOS versions 11.7.0 and earlier
Description
"Rakuten Ichiba App" provided by Rakuten Group, Inc. provides the function to access a requested URL using Custom URL Scheme. The App does not restrict access to the function properly (CWE-939) which may be exploited to direct the App to access any sites.
Impact
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.
Solution
Update the application
Update the application to the latest version according to the information provided by the developer.
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) |
Credit
Shiga Takuma of BroadBand Security,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-2024-41918 |
| JVN iPedia |
JVNDB-2024-000085 |
Update History
- 2024/08/20
- Information under the section [Credit] was updated