Jetstar App for iOS fails to verify SSL server certificates


Jetstar App for iOS provided by Jetstar Airways Pty Ltd. fails to verify SSL server certificates.

Yuta TESHIMA of Cyber Defense Institute, 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

Jetstar Airways Pty Ltd.
  • Jetstar App for iOS prior to v3.0.0


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

Jetstar Airways Pty Ltd.
CWE (What is CWE?)

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

  1. CVE-2016-1221

  1. JVN : JVN#43529183
  2. National Vulnerability Database (NVD) : CVE-2016-1221
Revision History

  • [2016/05/24]
      Web page was published
      References : Content was added