CVE-2009-3245

Estado: ModificadaAlta (10)—
OpenSSL before 0.9.8m does not check for a NULL return value from bn_wexpand function calls in (1) crypto/bn/bn_div.c, (2) crypto/bn/bn_gf2m.c, (3) crypto/ec/ec2_smpl.c, and (4) engines/e_ubsec.c, which has unspecified impact and context-dependent attack vectors.
CVSS

Versión: 2.0
Vector: AV:N/AC:L/Au:N/C:C/I:C/A:C
Puntuación base: 10
Probabilidad de explotación (EPSS)

Probabilidad de explotación en los próximos 30 días: 5.78%
Percentil entre todas las CVEs puntuadas: 93
Fecha de la puntuación: 7/10/2026
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)

Openssl — Openssl
CWE

CWE-20
Referencias

JSON original (NVD)

Mostrar
{
  "id": "CVE-2009-3245",
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        "cvssData": {
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          "baseScore": 10,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:L/Au:N/C:C/I:C/A:C",
          "authentication": "NONE",
          "integrityImpact": "COMPLETE",
          "accessComplexity": "LOW",
          "availabilityImpact": "COMPLETE",
          "confidentialityImpact": "COMPLETE"
        },
        "acInsufInfo": true,
        "impactScore": 10,
        "baseSeverity": "HIGH",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 10,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
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          "versions": [
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              "status": "affected",
              "version": "n/a"
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  "published": "2010-03-05T19:30:00.343",
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  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-20"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "OpenSSL before 0.9.8m does not check for a NULL return value from bn_wexpand function calls in (1) crypto/bn/bn_div.c, (2) crypto/bn/bn_gf2m.c, (3) crypto/ec/ec2_smpl.c, and (4) engines/e_ubsec.c, which has unspecified impact and context-dependent attack vectors."
    },
    {
      "lang": "es",
      "value": "OpenSSL en versiones anterioes a v0.9.8m cuando recibe un valor de retorno NULL de la funcion bn_wexpand hace una llamada a (1) crypto/bn/bn_div.c, (2) crypto/bn/bn_gf2m.c, (3) crypto/ec/ec2_smpl.c, y (4) engines/e_ubsec.c, lo que tiene un impacto inespecifico y vectores de ataque dependientes del contexto."
    }
  ],
  "lastModified": "2026-06-16T23:11:13.327",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
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              "criteria": "cpe:2.3:a:openssl:openssl:*:*:*:*:*:*:*:*",
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          "operator": "OR"
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  "vendorComments": [
    {
      "comment": "Red Hat is aware of this issue and is tracking it via the following bug: https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=CVE-2009-3245\n\nThis issue was fixed in openssl packages in Red Hat Enterprise Linux 5 via: https://rhn.redhat.com/errata/RHSA-2010-0162.html\n\nThis issue was fixed in openssl096b packages in Red Hat Enterprise Linux 3 and 4 via: https://rhn.redhat.com/errata/RHSA-2010-0173.html\n\nThe Red Hat Security Response Team has rated this issue as having low security impact on openssl packages in Red Hat Enterprise Linux 3 and 4, a future update may address this flaw.",
      "lastModified": "2010-03-25T00:00:00",
      "organization": "Red Hat"
    }
  ],
  "sourceIdentifier": "cve@mitre.org"
}