FKIE_CVE-2023-5732

Vulnerability from fkie_nvd - Published: 2023-10-25 18:17 - Updated: 2026-06-17 06:49
Severity
6.5 (Medium) - CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N
Summary
An attacker could have created a malicious link using bidirectional characters to spoof the location in the address bar when visited. This vulnerability affects Firefox < 117, Firefox ESR < 115.4, and Thunderbird < 115.4.1.
References
security@mozilla.orghttps://bugzilla.mozilla.org/show_bug.cgi?id=1690979Issue Tracking, Vendor Advisory
security@mozilla.orghttps://bugzilla.mozilla.org/show_bug.cgi?id=1836962Issue Tracking, Vendor Advisory
security@mozilla.orghttps://lists.debian.org/debian-lts-announce/2023/10/msg00037.htmlMailing List, Third Party Advisory
security@mozilla.orghttps://lists.debian.org/debian-lts-announce/2023/10/msg00042.htmlMailing List, Third Party Advisory
security@mozilla.orghttps://www.debian.org/security/2023/dsa-5535Mailing List, Third Party Advisory
security@mozilla.orghttps://www.debian.org/security/2023/dsa-5538Third Party Advisory
security@mozilla.orghttps://www.mozilla.org/security/advisories/mfsa2023-34/Vendor Advisory
security@mozilla.orghttps://www.mozilla.org/security/advisories/mfsa2023-46/Vendor Advisory
security@mozilla.orghttps://www.mozilla.org/security/advisories/mfsa2023-47/Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://bugzilla.mozilla.org/show_bug.cgi?id=1690979Issue Tracking, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://bugzilla.mozilla.org/show_bug.cgi?id=1836962Issue Tracking, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://lists.debian.org/debian-lts-announce/2023/10/msg00037.htmlMailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://lists.debian.org/debian-lts-announce/2023/10/msg00042.htmlMailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://www.debian.org/security/2023/dsa-5535Mailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://www.debian.org/security/2023/dsa-5538Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://www.mozilla.org/security/advisories/mfsa2023-34/Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://www.mozilla.org/security/advisories/mfsa2023-46/Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://www.mozilla.org/security/advisories/mfsa2023-47/Vendor Advisory
Impacted products
Vendor Product Version
mozilla firefox *
mozilla firefox_esr *
mozilla thunderbird *
debian debian_linux 10.0
debian debian_linux 11.0
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "Firefox",
          "vendor": "Mozilla",
          "versions": [
            {
              "lessThan": "117",
              "status": "affected",
              "version": "unspecified",
              "versionType": "custom"
            }
          ]
        },
        {
          "product": "Firefox ESR",
          "vendor": "Mozilla",
          "versions": [
            {
              "lessThan": "115.4",
              "status": "affected",
              "version": "unspecified",
              "versionType": "custom"
            }
          ]
        },
        {
          "product": "Thunderbird",
          "vendor": "Mozilla",
          "versions": [
            {
              "lessThan": "115.4.1",
              "status": "affected",
              "version": "unspecified",
              "versionType": "custom"
            }
          ]
        }
      ],
      "source": "security@mozilla.org"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "97397EB0-B9CD-4C1F-B2DC-92F03D4DC61B",
              "versionEndExcluding": "117.0",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:mozilla:firefox_esr:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "9BB85D5D-5482-4FC4-A100-6CD0260CBFF0",
              "versionEndExcluding": "115.4.1",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "6B50AE0E-325C-422E-8622-7A479CB51DF2",
              "versionEndExcluding": "115.4.1",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    },
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*",
              "matchCriteriaId": "07B237A9-69A3-4A9C-9DA0-4E06BD37AE73",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*",
              "matchCriteriaId": "FA6FEEC2-9F11-4643-8827-749718254FED",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "An attacker could have created a malicious link using bidirectional characters to spoof the location in the address bar when visited. This vulnerability affects Firefox \u003c 117, Firefox ESR \u003c 115.4, and Thunderbird \u003c 115.4.1."
    },
    {
      "lang": "es",
      "value": "Un atacante podr\u00eda haber creado un enlace malicioso utilizando caracteres bidireccionales para falsificar la ubicaci\u00f3n en la barra de direcciones cuando se visita. Esta vulnerabilidad afecta a Firefox \u0026lt; 117, Firefox ESR \u0026lt; 115.4 y Thunderbird \u0026lt; 115.4.1."
    }
  ],
  "id": "CVE-2023-5732",
  "lastModified": "2026-06-17T06:49:15.803",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 6.5,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "NONE",
          "integrityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "REQUIRED",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 2.8,
        "impactScore": 3.6,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2023-5732",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2024-09-11T18:24:34.128458Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2023-10-25T18:17:44.500",
  "references": [
    {
      "source": "security@mozilla.org",
      "tags": [
        "Issue Tracking",
        "Vendor Advisory"
      ],
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    },
    {
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      ],
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    },
    {
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      "tags": [
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      "url": "https://lists.debian.org/debian-lts-announce/2023/10/msg00037.html"
    },
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      "url": "https://lists.debian.org/debian-lts-announce/2023/10/msg00042.html"
    },
    {
      "source": "security@mozilla.org",
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      "url": "https://www.debian.org/security/2023/dsa-5535"
    },
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      ],
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    },
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    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
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    },
    {
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    },
    {
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    },
    {
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    },
    {
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    {
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    },
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    },
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      "tags": [
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      ],
      "url": "https://www.mozilla.org/security/advisories/mfsa2023-47/"
    }
  ],
  "sourceIdentifier": "security@mozilla.org",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "NVD-CWE-noinfo"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}



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Sightings

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Nomenclature

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