[Japanese]

JVNDB-2022-000040

Mobaoku-Auction & Flea Market App for iOS vulnerable to improper server certificate verification

Overview

Mobaoku-Auction & Flea Market App for iOS provided by DeNA Co., Ltd. is vulnerable to improper server certificate verification (CWE-295).

Okazawa Yoshihiro 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


DeNA Co.,Ltd.
  • Mobaoku Auction & Flea Market App iOS versions prior to 5.5.16

Impact

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

[Update the application]
Update the application to the latest version according to the information provided by the developer.
The developer released the following version that fixes the vulnerability on February 21, 2022:

* Mobaoku-Auction & Flea Market App for iOS version 5.5.16
Vendor Information

DeNA Co.,Ltd.
CWE (What is CWE?)

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

  1. CVE-2022-29482
References

  1. JVN : JVN#13878856
Revision History

  • [2022/05/27]
      Web page was published

Date Public2022/05/27
Date First Published2022/05/27
Date Last Updated2022/05/27