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CVE-2012-0465

Estado: ModificadaMedia (4.3)—

Bugzilla 3.5.x and 3.6.x before 3.6.9, 3.7.x and 4.0.x before 4.0.6, and 4.1.x and 4.2.x before 4.2.1, when the inbound_proxies option is enabled, does not properly validate the X-Forwarded-For HTTP header, which allows remote attackers to bypass the lockout policy via a series of authentication requests with (1) different IP address strings in this header or (2) a long string in this header.

CVSS

Probabilidad de explotación (EPSS)

EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).

Tecnologías afectadas (1)

Mozilla — Bugzilla

CWE

Referencias

JSON original (NVD)

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  "id": "CVE-2012-0465",
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        "source": "nvd@nist.gov",
        "cvssData": {
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          "baseScore": 4.3,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:M/Au:N/C:P/I:N/A:N",
          "authentication": "NONE",
          "integrityImpact": "NONE",
          "accessComplexity": "MEDIUM",
          "availabilityImpact": "NONE",
          "confidentialityImpact": "PARTIAL"
        },
        "acInsufInfo": false,
        "impactScore": 2.9,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 8.6,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
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  "affected": [
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      "source": "cve@mitre.org",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
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  ],
  "published": "2012-04-27T20:55:01.250",
  "references": [
    {
      "url": "http://archives.neohapsis.com/archives/bugtraq/2012-04/0135.html",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://lists.fedoraproject.org/pipermail/package-announce/2012-May/079432.html",
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      "description": [
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          "value": "CWE-264"
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    },
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      "lang": "es",
      "value": "Bugzilla v3.5.x y v3.6.x antes de v3.6.9, v3.7.x y v4.0.x antes de v4.0.6 y v4.1.x y v4.2.x antes de v4.2.1, cuando la opción \"inbound_proxies\" está activada, no valida correctamente la cabecera HTTP 'X-Forwarded-For', loque permite evitar la política de bloqueo a atacantes remotos a través de una serie de solicitudes de autenticación con (1) cadenas con diferentes direcciones IP en este encabezado o (2) una cadena demasiado larga en esta cabecera."
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  "lastModified": "2026-06-16T23:37:20.700",
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