CVE-2024-8383 (GCVE-0-2024-8383)
Vulnerability from cvelistv5
Published
2024-09-03 12:32
Modified
2025-11-04 16:16
Severity ?
7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
CWE
  • Firefox did not ask before openings news: links in an external application
Summary
Firefox normally asks for confirmation before asking the operating system to find an application to handle a scheme that the browser does not support. It did not ask before doing so for the Usenet-related schemes news: and snews:. Since most operating systems don't have a trusted newsreader installed by default, an unscrupulous program that the user downloaded could register itself as a handler. The website that served the application download could then launch that application at will. This vulnerability affects Firefox < 130, Firefox ESR < 128.2, and Firefox ESR < 115.15.
References
Impacted products
Vendor Product Version
Mozilla Firefox Version: unspecified   < 130
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   Mozilla Firefox ESR Version: unspecified   < 128.2
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   Mozilla Firefox ESR Version: unspecified   < 115.15
 Create a notification for this product.
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{
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            "cpes": [
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            ],
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              },
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            ]
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        ],
        "metrics": [
          {
            "cvssV3_1": {
              "attackComplexity": "LOW",
              "attackVector": "NETWORK",
              "availabilityImpact": "NONE",
              "baseScore": 7.5,
              "baseSeverity": "HIGH",
              "confidentialityImpact": "NONE",
              "integrityImpact": "HIGH",
              "privilegesRequired": "NONE",
              "scope": "UNCHANGED",
              "userInteraction": "NONE",
              "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N",
              "version": "3.1"
            }
          },
          {
            "other": {
              "content": {
                "id": "CVE-2024-8383",
                "options": [
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                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "yes"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2024-10-30T16:16:58.757351Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
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          }
        ],
        "problemTypes": [
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            "descriptions": [
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                "description": "CWE-1188 Initialization of a Resource with an Insecure Default",
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          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
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        "title": "CISA ADP Vulnrichment"
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      {
        "providerMetadata": {
          "dateUpdated": "2025-11-04T16:16:03.161Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
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        "references": [
          {
            "url": "https://lists.debian.org/debian-lts-announce/2024/09/msg00025.html"
          },
          {
            "url": "https://lists.debian.org/debian-lts-announce/2024/09/msg00012.html"
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        ],
        "title": "CVE Program Container"
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    ],
    "cna": {
      "affected": [
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          "product": "Firefox",
          "vendor": "Mozilla",
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        },
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          "versions": [
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      "credits": [
        {
          "lang": "en",
          "value": "D7"
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      "descriptions": [
        {
          "lang": "en",
          "supportingMedia": [
            {
              "base64": false,
              "type": "text/html",
              "value": "Firefox normally asks for confirmation before asking the operating system to find an application to handle a scheme that the browser does not support. It did not ask before doing so for the Usenet-related schemes news: and snews:. Since most operating systems don\u0027t have a trusted newsreader installed by default, an unscrupulous program that the user downloaded could register itself as a handler. The website that served the application download could then launch that application at will. This vulnerability affects Firefox \u003c 130, Firefox ESR \u003c 128.2, and Firefox ESR \u003c 115.15."
            }
          ],
          "value": "Firefox normally asks for confirmation before asking the operating system to find an application to handle a scheme that the browser does not support. It did not ask before doing so for the Usenet-related schemes news: and snews:. Since most operating systems don\u0027t have a trusted newsreader installed by default, an unscrupulous program that the user downloaded could register itself as a handler. The website that served the application download could then launch that application at will. This vulnerability affects Firefox \u003c 130, Firefox ESR \u003c 128.2, and Firefox ESR \u003c 115.15."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "Firefox did not ask before openings news: links in an external application",
              "lang": "en",
              "type": "text"
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      "providerMetadata": {
        "dateUpdated": "2024-09-06T18:31:01.884Z",
        "orgId": "f16b083a-5664-49f3-a51e-8d479e5ed7fe",
        "shortName": "mozilla"
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          "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1908496"
        },
        {
          "url": "https://www.mozilla.org/security/advisories/mfsa2024-39/"
        },
        {
          "url": "https://www.mozilla.org/security/advisories/mfsa2024-40/"
        },
        {
          "url": "https://www.mozilla.org/security/advisories/mfsa2024-41/"
        }
      ]
    }
  },
  "cveMetadata": {
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    "assignerShortName": "mozilla",
    "cveId": "CVE-2024-8383",
    "datePublished": "2024-09-03T12:32:18.363Z",
    "dateReserved": "2024-09-03T06:39:07.566Z",
    "dateUpdated": "2025-11-04T16:16:03.161Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}


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