"Hulu" App for iOS vulnerable to improper server certificate verification


"Hulu" App for iOS provided by HJ Holdings, Inc. is vulnerable to improper server certificate verification (CWE-295).

Shungo Kumasaka of GMO Cyber Security by IERAE 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

HJ Holdings, Inc.
  • Hulu App for iOS versions prior to 3.0.81


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

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

HJ Holdings, Inc.
CWE (What is CWE?)

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

  1. CVE-2022-34156

  1. JVN : JVN#81563390
Revision History

  • [2022/07/28]
      Web page was published