DHC Online Shop App for Android fails to verify SSL server certificates


DHC Online Shop App for Android provided by DHC Corporation fails to verify SSL server certificates.

Sho Ueshima and Tsuyoshi Ogawa of SIE Co.,Ltd. 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

DHC Corporation
  • DHC online shop App for Android version 3.2.0 and earlier


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

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

DHC Corporation
CWE (What is CWE?)

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

  1. CVE-2018-0622

  1. JVN : JVN#77409513
  2. National Vulnerability Database (NVD) : CVE-2018-0622
Revision History

  • [2018/07/06]
      Web page was published
  • [2019/07/05]
      References : Content was added