[Japanese]

JVNDB-2017-000034

Access CX App fails to verify SSL server certificates

Overview

Access CX App provided by NISSAN SECURITIES 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?)

Base Metrics: 4.0 (Medium) [IPA Score]
  • Access Vector: Network
  • Access Complexity: High
  • Authentication: None
  • Confidentiality Impact: Partial
  • Integrity Impact: Partial
  • Availability Impact: None

CVSS V3 Severity:
Base Metrics: 4.8 (Medium) [IPA Score]
  • Access Vector: Network
  • Attack Complexity: High
  • Privileges Required: None
  • User Interaction: None
  • Scope: Unchanged
  • Confidentiality Impact: Low
  • Integrity Impact: Low
  • Availability Impact: None
Affected Products


NISSAN SECURITIES CO., LTD.
  • Access CX App for Android prior to Ver2.0.0.1
  • Access CX App for iOS prior to Ver2.0.2

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

NISSAN SECURITIES CO., LTD.
CWE (What is CWE?)

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

  1. CVE-2017-2110
References

  1. JVN : JVN#82619692
  2. National Vulnerability Database (NVD) : CVE-2017-2110
Revision History

[2017/03/01]
  Web page was published
[2017/06/05]
  References : Content was added