FKIE_CVE-2021-23968

Vulnerability from fkie_nvd - Published: 2021-02-26 02:15 - Updated: 2024-11-21 05:52
Severity ?
4.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
Summary
If Content Security Policy blocked frame navigation, the full destination of a redirect served in the frame was reported in the violation report; as opposed to the original frame URI. This could be used to leak sensitive information contained in such URIs. This vulnerability affects Firefox < 86, Thunderbird < 78.8, and Firefox ESR < 78.8.
References
security@mozilla.orghttps://bugzilla.mozilla.org/show_bug.cgi?id=1687342Issue Tracking, Permissions Required, Vendor Advisory
security@mozilla.orghttps://lists.debian.org/debian-lts-announce/2021/03/msg00000.htmlMailing List, Third Party Advisory
security@mozilla.orghttps://security.gentoo.org/glsa/202104-09Third Party Advisory
security@mozilla.orghttps://security.gentoo.org/glsa/202104-10Third Party Advisory
security@mozilla.orghttps://www.debian.org/security/2021/dsa-4866Third Party Advisory
security@mozilla.orghttps://www.mozilla.org/security/advisories/mfsa2021-07/Release Notes, Vendor Advisory
security@mozilla.orghttps://www.mozilla.org/security/advisories/mfsa2021-08/Release Notes, Vendor Advisory
security@mozilla.orghttps://www.mozilla.org/security/advisories/mfsa2021-09/Release Notes, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://bugzilla.mozilla.org/show_bug.cgi?id=1687342Issue Tracking, Permissions Required, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://lists.debian.org/debian-lts-announce/2021/03/msg00000.htmlMailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://security.gentoo.org/glsa/202104-09Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://security.gentoo.org/glsa/202104-10Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://www.debian.org/security/2021/dsa-4866Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://www.mozilla.org/security/advisories/mfsa2021-07/Release Notes, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://www.mozilla.org/security/advisories/mfsa2021-08/Release Notes, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://www.mozilla.org/security/advisories/mfsa2021-09/Release Notes, Vendor Advisory
Impacted products
Vendor Product Version
mozilla firefox *
mozilla firefox_esr *
mozilla thunderbird *
debian debian_linux 9.0
debian debian_linux 10.0
To clipboard 

{
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "89580DC6-183F-46F0-A27E-4E16D6B10EB6",
              "versionEndExcluding": "86.0",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:mozilla:firefox_esr:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "6A523AED-F145-4D51-BF78-95B61B8A0B34",
              "versionEndExcluding": "78.8",
              "vulnerable": true
            },
            {
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              "matchCriteriaId": "3ABA16AF-38C2-4445-B41F-9228C97A89C1",
              "versionEndExcluding": "78.8",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
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    {
      "nodes": [
        {
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            {
              "criteria": "cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*",
              "matchCriteriaId": "DEECE5FC-CACF-4496-A3E7-164736409252",
              "vulnerable": true
            },
            {
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              "matchCriteriaId": "07B237A9-69A3-4A9C-9DA0-4E06BD37AE73",
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          "operator": "OR"
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  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "If Content Security Policy blocked frame navigation, the full destination of a redirect served in the frame was reported in the violation report; as opposed to the original frame URI. This could be used to leak sensitive information contained in such URIs. This vulnerability affects Firefox \u003c 86, Thunderbird \u003c 78.8, and Firefox ESR \u003c 78.8."
    },
    {
      "lang": "es",
      "value": "Si la Pol\u00edtica de Seguridad de Contenido bloqueaba la navegaci\u00f3n de tramas, el destino completo de un redireccionamiento servido en la trama se reportaba en el informe de infracci\u00f3n;\u0026#xa0;a diferencia del URI de la trama original.\u0026#xa0;Esto podr\u00eda ser usado para filtrar informaci\u00f3n confidencial contenida en dichos URI.\u0026#xa0;Esta vulnerabilidad afecta a Firefox versiones anteriores a 86, Thunderbird versiones anteriores a 78,8 y Firefox ESR versiones anteriores a 78,8"
    }
  ],
  "id": "CVE-2021-23968",
  "lastModified": "2024-11-21T05:52:07.210",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "MEDIUM",
        "cvssData": {
          "accessComplexity": "MEDIUM",
          "accessVector": "NETWORK",
          "authentication": "NONE",
          "availabilityImpact": "NONE",
          "baseScore": 4.3,
          "confidentialityImpact": "PARTIAL",
          "integrityImpact": "NONE",
          "vectorString": "AV:N/AC:M/Au:N/C:P/I:N/A:N",
          "version": "2.0"
        },
        "exploitabilityScore": 8.6,
        "impactScore": 2.9,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": true
      }
    ],
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
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          "baseScore": 4.3,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "LOW",
          "integrityImpact": "NONE",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "REQUIRED",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N",
          "version": "3.1"
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        "source": "nvd@nist.gov",
        "type": "Primary"
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  },
  "published": "2021-02-26T02:15:12.820",
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      "source": "security@mozilla.org",
      "tags": [
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    },
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    {
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      "url": "https://www.mozilla.org/security/advisories/mfsa2021-09/"
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  ],
  "sourceIdentifier": "security@mozilla.org",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-209"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}


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