Published:2019/11/07 Last Updated:2019/11/07
JVN#41566067
Rakuma App vulnerable to authentication information disclosure
Overview
Rakuma App contains an authentication information disclosure vulnerability.
Products Affected
- Rakuma App for Android version 7.15.0 and earlier
- Rakuma App for iOS version 7.16.4 and earlier
Description
Rakuma App provided by Rakuten, Inc. contains an authentication information disclosure vulnerability (CWE-200).
Impact
If a malicious application created by the third party with a purpose to attack a Rakuma user is installed in the Rakuma user's mobile device, it may obtain Rakuma user's authentication information.
Solution
Update the Application
Update to the latest version according to the information provided by the developer.
References
JPCERT/CC Addendum
Vulnerability Analysis by JPCERT/CC
CVSS v3
CVSS:3.0/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:N
Base Score:
4.7
| 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) |
CVSS v2
AV:N/AC:H/Au:N/C:P/I:N/A:N
Base Score:
2.6
| 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) |
Credit
Gaku Mochizuki of Mitsui Bussan Secure Directions, 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-2019-6024 |
| JVN iPedia |
JVNDB-2019-000068 |