CVE-2022-43543

MEDIUM

docomo/softbank/kddi +Message < 3.9.4 - URL Spoofing via Unicode Control Character Mishandling

Title source: llm
STIX 2.1

Description

KDDI +Message App, NTT DOCOMO +Message App, and SoftBank +Message App contain a vulnerability caused by improper handling of Unicode control characters. +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. As a result, a spoofed URL may be displayed and phishing attacks may be conducted. Affected products and versions are as follows: KDDI +Message App for Android prior to version 3.9.2 and +Message App for iOS prior to version 3.9.4, NTT DOCOMO +Message App for Android prior to version 54.49.0500 and +Message App for iOS prior to version 3.9.4, and SoftBank +Message App for Android prior to version 12.9.5 and +Message App for iOS prior to version 3.9.4

Scores

CVSS v3 5.4
EPSS 0.0049
EPSS Percentile 38.0%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-116
Status published
Products (6)
docomo/\+_message < 3.9.4
docomo/\+_message < 54.49.0500
kddi/\+_message < 3.9.2
kddi/\+_message < 3.9.4
softbank/\+_message < 12.9.5
softbank/\+_message < 3.9.4
Published Dec 21, 2022
Tracked Since Feb 18, 2026