[Japanese]

JVNDB-2016-000124

WAON service app for Android fails to verify SSL server certificates

Overview

WAON service app for Android provided by AEON CO., LTD. fails to verify SSL server certificates.

Gaku Taniguchi of RiskFinder,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 4.8 (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


AEON CO., LTD.
  • WAON service app for Android V1.4.1 and earlier

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.
Vendor Information

AEON CO., LTD.
CWE (What is CWE?)

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

  1. CVE-2016-4832
References

  1. JVN : JVN#68364327
  2. National Vulnerability Database (NVD) : CVE-2016-4832
Revision History

  • [2016/07/15]
      Web page published
    [2017/05/23]
      References : Content was added