iChain Insurance Wallet App for iOS vulnerable to directory traversal


iChain Insurance Wallet App for iOS provided by iChain, Inc. uses the old version of cordova-plugin-ionic-webview, and inherits a directory traversal vulnerability (CWE-22, CVE-2018-16202).

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.
CVSS Severity (What is CVSS?)

CVSS V3 Severity:
Base Metrics 4.7 (Medium) [IPA Score]
  • Attack Vector: Network
  • Attack Complexity: Low
  • Privileges Required: None
  • User Interaction: Required
  • Scope: Changed
  • Confidentiality Impact: Low
  • Integrity Impact: None
  • Availability Impact: None
CVSS V2 Severity:
Base Metrics 4.3 (Medium) [IPA Score]
  • Access Vector: Network
  • Access Complexity: Medium
  • Authentication: None
  • Confidentiality Impact: Partial
  • Integrity Impact: None
  • Availability Impact: None
Affected Products

iChain, Inc.
  • iChain Insurance Wallet App for iOS Version 1.3.0 and earlier


A remote attacker may obtain an arbitrary file such as a file related to an application on iOS device. As a result, contents of the file may be leaked.

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

iChain, Inc.
CWE (What is CWE?)

  1. Path Traversal(CWE-22) [IPA Evaluation]
CVE (What is CVE?)

  1. CVE-2019-5923

  1. JVN : JVN#11622218
  2. JVN : JVN#69812763
  3. National Vulnerability Database (NVD) : CVE-2019-5923
Revision History

  • [2019/03/12]
      Web page was published
  • [2019/09/26]
      References : Content was added