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1 vulnerability by KDDI CORPORATION, NTT DOCOMO, INC., and SoftBank Corp.

CVE-2022-43543 (GCVE-0-2022-43543)

Vulnerability from cvelistv5 – Published: 2022-12-21 00:00 – Updated: 2025-04-16 17:36
VLAI?
Summary
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
CWE
  • User Interface (UI) Misrepresentation of Critical Information
Assigner
Impacted products
Vendor Product Version
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 iOS Affected: 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
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        "providerMetadata": {
          "dateUpdated": "2024-08-03T13:32:59.662Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://www.au.com/mobile/service/plus-message/information/"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://www.docomo.ne.jp/service/plus_message/"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://www.softbank.jp/mobile/service/plus-message/"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://jvn.jp/en/jp/JVN43561812/index.html"
          }
        ],
        "title": "CVE Program Container"
      },
      {
        "metrics": [
          {
            "cvssV3_1": {
              "attackComplexity": "LOW",
              "attackVector": "NETWORK",
              "availabilityImpact": "NONE",
              "baseScore": 5.4,
              "baseSeverity": "MEDIUM",
              "confidentialityImpact": "LOW",
              "integrityImpact": "LOW",
              "privilegesRequired": "NONE",
              "scope": "UNCHANGED",
              "userInteraction": "REQUIRED",
              "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N",
              "version": "3.1"
            }
          },
          {
            "other": {
              "content": {
                "id": "CVE-2022-43543",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2025-04-16T17:36:38.691998Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "problemTypes": [
          {
            "descriptions": [
              {
                "cweId": "CWE-116",
                "description": "CWE-116 Improper Encoding or Escaping of Output",
                "lang": "en",
                "type": "CWE"
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        "providerMetadata": {
          "dateUpdated": "2025-04-16T17:36:43.679Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
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        "title": "CISA ADP Vulnrichment"
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    ],
    "cna": {
      "affected": [
        {
          "product": "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 iOS",
          "vendor": "KDDI CORPORATION, NTT DOCOMO, INC., and SoftBank Corp.",
          "versions": [
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            }
          ]
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      ],
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          "value": "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\u0027s 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"
        }
      ],
      "problemTypes": [
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          "descriptions": [
            {
              "description": "User Interface (UI) Misrepresentation of Critical Information",
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      ],
      "providerMetadata": {
        "dateUpdated": "2022-12-21T00:00:00.000Z",
        "orgId": "ede6fdc4-6654-4307-a26d-3331c018e2ce",
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      },
      "references": [
        {
          "url": "https://www.au.com/mobile/service/plus-message/information/"
        },
        {
          "url": "https://www.docomo.ne.jp/service/plus_message/"
        },
        {
          "url": "https://www.softbank.jp/mobile/service/plus-message/"
        },
        {
          "url": "https://jvn.jp/en/jp/JVN43561812/index.html"
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    "datePublished": "2022-12-21T00:00:00.000Z",
    "dateReserved": "2022-12-14T00:00:00.000Z",
    "dateUpdated": "2025-04-16T17:36:43.679Z",
    "state": "PUBLISHED"
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