[Japanese]

JVNDB-2022-000101

+Message App improper handling of Unicode control characters

Overview

+Message App displays text unprocessed, even when control characters are contained, and the text is shown based on Unicode control character's specifications.
Therefore, a crafted text may display misleading web links (CWE-451).

Akaki Tsunoda 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 4.3 (Medium) [IPA Score]
  • Attack Vector: Network
  • Attack Complexity: Low
  • Privileges Required: None
  • User Interaction: Required
  • Scope: Unchanged
  • Confidentiality Impact: None
  • Integrity Impact: Low
  • Availability Impact: None
CVSS V2 Severity:
Base Metrics 4.3 (Medium) [IPA Score]
  • Access Vector: Network
  • Access Complexity: Medium
  • Authentication: None
  • Confidentiality Impact: None
  • Integrity Impact: Partial
  • Availability Impact: None
Affected Products


KDDI
  • +Message (PlusMessage) for Android prior to version 3.9.2
  • +Message (PlusMessage) for iOS prior to version 3.9.4
SoftBank
  • +Message (PlusMessage) for Android prior to version 12.9.5
  • +Message (PlusMessage) for iOS prior to version 3.9.4
NTT DOCOMO, INC.
  • +Message (PlusMessage) for Android prior to version 54.49.0500
  • +Message (PlusMessage) for iOS prior to version 3.9.4

Impact

A spoofed URL may be displayed and phishing attacks may be conducted.
Solution

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

KDDI SoftBank NTT DOCOMO, INC.
CWE (What is CWE?)

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

  1. CVE-2022-43543
References

  1. JVN : JVN#43561812
  2. Related document : Unicode Technical Report #36
Revision History

  • [2022/12/21]
      Web page was published

Date Public2022/12/21
Date First Published2022/12/21
Date Last Updated2022/12/21