[Japanese]

JVNDB-2019-000077

Android App "NTV News24" fails to verify SSL server certificates

Overview

Android App "NTV News24" provided by Nippon Television Network Corporation fails to verify SSL server certificates (CWE-295).

Shinnosuke Tokusho of Cryptography Laboratory,Department of Information and Communication Engineering,Tokyo Denki University 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


Nippon Television Network Corporation
  • NTV News 24 Android App prior to Ver.3.0.0

Impact

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

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

Nippon Television Network Corporation
CWE (What is CWE?)

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

  1. CVE-2019-6032
References

  1. JVN : JVN#01236065
  2. National Vulnerability Database (NVD) : CVE-2019-6032
Revision History

  • [2019/12/19]
      Web page was published

Date Public2019/12/19
Date First Published2019/12/19
Date Last Updated2019/12/19