CVE-2022-43543
No known exploitation. EPSS puts it in the 44th percentile. Fixed versions are out.
What to do
Find your product and version, then upgrade to the build on the right.
- KDDI CORPORATION, NTT DOCOMO, INC., and SoftBank Corp. KDDI +Message App for Android and for iOS, NTT DOCOMO +Message App for Android and for iOS, and SoftBank +Message App for Android and for iOSAffected: KDDI +Message App for Android prior to version 3.9.2 and +Message App for iOS…Upgrade to: not statedStated by: CVE record
- Docomo \+ MessageAffected: < 3.9.4Upgrade to: 3.9.4Stated by: NVD
- Kddi \+ MessageAffected: < 3.9.2Upgrade to: 3.9.2Stated by: NVD
- Softbank \+ MessageAffected: < 3.9.4Upgrade to: 3.9.4Stated by: NVD
Versions as the sources state them. Full version matrix after sign-in
What it is
From the CVE record
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
In plain language
No plain-language summary for this CVE yet.
Exploitation
Where each signal puts this CVE on the scale from published to confirmed exploited.
- CISA KEV
Not in the catalog. CISA has not confirmed exploitation.
- Public exploits
No public exploit or proof of concept found in the sources we track.
- EPSS
0.5% chance of exploitation activity in the next 30 days, which ranks it in the 44th percentile of scored CVEs.
Exploit Prediction Scoring System, FIRST.org. A probability, not a confirmation.
Lifecycle
4 events over 847 days, from the signal feeds we watch.
- Patch availablerecord updated
- Publishedweakness classified
Affected products
Technical detail
CVSS 3.1 vector
Open in the CVSS calculatorCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N
Scored 5.4 by NVD.
How it is reached
- Attack Vector NetworkExploitable remotely over the network without any special conditions
- Attack Complexity LowNo special conditions — the attack can be reliably reproduced
- Privileges Required NoneNo authentication required — anyone can exploit this
- User Interaction RequiredA user must click a link, open a file, or perform some action
Scope
- Scope UnchangedImpact is limited to the vulnerable component itself
Impact if exploited
- Confidentiality LowSome restricted information is disclosed, but limited in scope
- Integrity LowData modification is possible but limited in scope or consequence
- Availability NoneNo availability impact
Weaknesses
Sources
References in the record
- jvn.jp/en/jp/JVN43561812/index.html
- au.com/mobile/service/plus-message/information/
- docomo.ne.jp/service/plus_message/
And 1 more reference. See all after sign-in
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