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CVE-2007-6755

Estado: ModificadaMedia (5.8)—

The NIST SP 800-90A default statement of the Dual Elliptic Curve Deterministic Random Bit Generation (Dual_EC_DRBG) algorithm contains point Q constants with a possible relationship to certain "skeleton key" values, which might allow context-dependent attackers to defeat cryptographic protection mechanisms by leveraging knowledge of those values. NOTE: this is a preliminary CVE for Dual_EC_DRBG; future research may provide additional details about point Q and associated attacks, and could potentially lead to a RECAST or REJECT of this CVE.

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 (2)

CWE

Referencias

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{
  "id": "CVE-2007-6755",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 5.8,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:N",
          "authentication": "NONE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "MEDIUM",
          "availabilityImpact": "NONE",
          "confidentialityImpact": "PARTIAL"
        },
        "acInsufInfo": false,
        "impactScore": 4.9,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 8.6,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ]
  },
  "affected": [
    {
      "source": "secalert_us@oracle.com",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ]
    }
  ],
  "published": "2013-10-11T22:55:33.580",
  "references": [
    {
      "url": "http://arstechnica.com/security/2013/09/stop-using-nsa-influence-code-in-our-product-rsa-tells-customers/",
      "tags": [
        "Third Party Advisory"
      ],
      "source": "secalert_us@oracle.com"
    },
    {
      "url": "http://blog.cryptographyengineering.com/2013/09/rsa-warns-developers-against-its-own.html",
      "tags": [
        "Third Party Advisory"
      ],
      "source": "secalert_us@oracle.com"
    },
    {
      "url": "http://blog.cryptographyengineering.com/2013/09/the-many-flaws-of-dualecdrbg.html",
      "tags": [
        "Third Party Advisory"
      ],
      "source": "secalert_us@oracle.com"
    },
    {
      "url": "http://rump2007.cr.yp.to/15-shumow.pdf",
      "tags": [
        "Third Party Advisory"
      ],
      "source": "secalert_us@oracle.com"
    },
    {
      "url": "http://stream.wsj.com/story/latest-headlines/SS-2-63399/SS-2-332655/",
      "tags": [
        "Not Applicable"
      ],
      "source": "secalert_us@oracle.com"
    },
    {
      "url": "http://threatpost.com/in-wake-of-latest-crypto-revelations-everything-is-suspect",
      "tags": [
        "Third Party Advisory"
      ],
      "source": "secalert_us@oracle.com"
    },
    {
      "url": "http://www.securityfocus.com/bid/63657",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
      ],
      "source": "secalert_us@oracle.com"
    },
    {
      "url": "https://www.schneier.com/blog/archives/2007/11/the_strange_sto.html",
      "tags": [
        "Third Party Advisory"
      ],
      "source": "secalert_us@oracle.com"
    },
    {
      "url": "http://arstechnica.com/security/2013/09/stop-using-nsa-influence-code-in-our-product-rsa-tells-customers/",
      "tags": [
        "Third Party Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://blog.cryptographyengineering.com/2013/09/rsa-warns-developers-against-its-own.html",
      "tags": [
        "Third Party Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://blog.cryptographyengineering.com/2013/09/the-many-flaws-of-dualecdrbg.html",
      "tags": [
        "Third Party Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://rump2007.cr.yp.to/15-shumow.pdf",
      "tags": [
        "Third Party Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://stream.wsj.com/story/latest-headlines/SS-2-63399/SS-2-332655/",
      "tags": [
        "Not Applicable"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://threatpost.com/in-wake-of-latest-crypto-revelations-everything-is-suspect",
      "tags": [
        "Third Party Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.securityfocus.com/bid/63657",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://www.schneier.com/blog/archives/2007/11/the_strange_sto.html",
      "tags": [
        "Third Party Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-327"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "The NIST SP 800-90A default statement of the Dual Elliptic Curve Deterministic Random Bit Generation (Dual_EC_DRBG) algorithm contains point Q constants with a possible relationship to certain \"skeleton key\" values, which might allow context-dependent attackers to defeat cryptographic protection mechanisms by leveraging knowledge of those values.  NOTE: this is a preliminary CVE for Dual_EC_DRBG; future research may provide additional details about point Q and associated attacks, and could potentially lead to a RECAST or REJECT of this CVE."
    },
    {
      "lang": "es",
      "value": "El procedimiento por defecto del NIST SP 800-90A del algoritmo Dual Elliptic Curve Deterministic Random Bit Generation (Dual_EC_DRBG) contiene puntos constantes Q con una posible relación con ciertos valores \"skeleton key\", lo que podría permitir a atacantes dependientes del contexto romper mecanismos criptográficos de protección  mediante el aprovechando del conocimiento de esos valores. NOTA: este es un CVE preliminar para Dual_EC_DRBG, la investigación futura puede brindar detalles adicionales sobre el punto Q y los ataques asociados, y podría potencialmente dar lugar a un RECAST o REJECT de esta CVE."
    }
  ],
  "lastModified": "2026-06-16T22:48:42.367",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:dell:bsafe_crypto-c-micro-edition:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "BBC91A27-A2F7-40BD-8C2B-8AD5B042DC1F",
              "versionEndIncluding": "3.0.0.20",
              "versionStartIncluding": "3.0.0.0"
            },
            {
              "criteria": "cpe:2.3:a:dell:bsafe_crypto-j:5.0:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "40C23A4D-1F95-422E-946B-9063BC5F8395"
            },
            {
              "criteria": "cpe:2.3:a:dell:bsafe_crypto-j:5.0.1:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "86B6427C-851F-4060-8A09-F6E2955269B1"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "secalert_us@oracle.com"
}