[Japanese]

JVNDB-2015-000159

Party Track SDK for iOS fails to verify server certificates

Overview

Party Track SDK for iOS provided by Adways Inc. fails to verify server certificates in encrypted HTTPS communications.
According to the developer, in addition to communications by the SDK, communications by the application using NSURLConnection also fail to verify server certificates.

ma.la of LINE Corporation 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

Affected Products


Adways Inc.
  • Party Track SDK versions prior to 1.6.6

Applications built with the above product are affected by this vulnerability.
Impact

A man-in-the-middle attack may result in an attacker to eavesdrop or alter an encrypted communication.
Solution

[Update SDK and rebuild the application]
Update to the latest version of Party Track SDK and rebuild the application according to the information provided by Adways Inc.
Vendor Information

CWE (What is CWE?)

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

  1. CVE-2015-5655
References

  1. JVN : JVN#48211537
  2. National Vulnerability Database (NVD) : CVE-2015-5655
Revision History

[2015/10/14]
  Web page was published
[2015/10/22]
  Overview was modified
[2015/11/11]
  References : Content was added