[Japanese]

JVNDB-2016-000161

Money Forward Apps for Android vulnerability that allows unintended operations

Overview

Money Forward Apps for Android contain a vulnerability where unintended operations may be performed.

Kenta Suefusa, Akinori Konishi and Tomonori Shiomi of Sprout Inc. reported this vulnerability to IPA.
JPCERT/CC coordinated with the developer under Information Security Early Warning Partnership.
CVSS Severity (What is CVSS?)

Base Metrics: 5.1 (Medium) [IPA Score]
  • Access Vector: Network
  • Access Complexity: High
  • Authentication: None
  • Confidentiality Impact: Partial
  • Integrity Impact: Partial
  • Availability Impact: Partial

CVSS V3 Severity:
Base Metrics: 5.3 (Medium) [IPA Score]
  • Access Vector: Local
  • Attack Complexity: Low
  • Privileges Required: None
  • User Interaction: Required
  • Scope: Unchanged
  • Confidentiality Impact: Low
  • Integrity Impact: Low
  • Availability Impact: Low
Affected Products


SOURCENEXT CORPORATION
  • Money Forward for AppPass (prior to v7.18.3)
  • Money Forward for Chou Houdai (prior to v7.18.3)
  • Money Forward for au SMARTPASS (prior to v7.18.0)
Money Forward, Inc.
  • Money Forward (prior to v7.18.0) (Android App)
  • Money Forward for YMFG (prior to v1.5.0) (Android App)
  • Money Forward for The Gunma Bank (prior to v1.2.0) (Android App)
  • Money Forward for SHIGA BANK (prior to v1.2.0) (Android App)
  • Money Forward for SBI Sumishin Net Bank (prior to v1.6.0) (Android App)
  • Money Forward for SHIZUOKA BANK (prior to v1.4.0) (Android App)
  • Money Forward for Tokai Tokyo Securities (prior to v1.4.0) (Android App)
  • Money Forward for THE TOHO BANK (prior to v1.3.0) (Android App)

Impact

When a user executes a malicious application, it may perform an unintended operation.
Solution

[Update the Application]
Update to the latest version according to the information provided by the developer.
Vendor Information

SOURCENEXT CORPORATION Money Forward, Inc.
CWE (What is CWE?)

  1. No Mapping(CWE-Other) [IPA Evaluation]
CVE (What is CVE?)

  1. CVE-2016-4838
References

  1. JVN : JVN#49343562
  2. National Vulnerability Database (NVD) : CVE-2016-4838
Revision History

[2016/09/20]
  Web page was published
[2017/11/27]
  References : Content was added