[Japanese]

JVNDB-2016-000065

105 BANK App fails to verify SSL server certificates

Overview

105 BANK App provided by THE HYAKUGO BANK, LTD. is a mobile app for internet banking. 105 BANK App fails to verify SSL server certificates.

Yuji Tounai of NTT Com Security (Japan) KK 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 4.8 (Medium) [IPA Score]
  • Attack Vector: Network
  • Attack Complexity: High
  • Privileges Required: None
  • User Interaction: None
  • Scope: Unchanged
  • Confidentiality Impact: Low
  • Integrity Impact: Low
  • Availability Impact: None
CVSS V2 Severity:
Base Metrics 4.0 (Medium) [IPA Score]
  • Access Vector: Network
  • Access Complexity: High
  • Authentication: None
  • Confidentiality Impact: Partial
  • Integrity Impact: Partial
  • Availability Impact: None
Affected Products


THE HYAKUGO BANK, LTD.
  • 105 BANK for Android version 1.1, 1.0
  • 105 BANK for iOS version 1.0

Impact

A man-in-the-middle attack may allow an attacker to eavesdrop on an encrypted communication.
Solution

[Update the Application]
Update to the latest version according to the information provided by the developer.
Note that updating is necessary to access any services being provided by the application.
Vendor Information

THE HYAKUGO BANK, LTD.
CWE (What is CWE?)

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

  1. CVE-2016-1210
References

  1. JVN : JVN#11877654
  2. National Vulnerability Database (NVD) : CVE-2016-1210
Revision History

  • [2016/05/18]
      Web page was published
    [2017/05/29]
      References : Content was added

Date Public2016/05/18
Date First Published2016/05/18
Date Last Updated2017/05/29