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CVE-2015-1794

Estado: ModificadaMedia (5)—

The ssl3_get_key_exchange function in ssl/s3_clnt.c in OpenSSL 1.0.2 before 1.0.2e allows remote servers to cause a denial of service (segmentation fault) via a zero p value in an anonymous Diffie-Hellman (DH) ServerKeyExchange message.

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)

Openssl — Openssl

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2015-1794",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 5,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P",
          "authentication": "NONE",
          "integrityImpact": "NONE",
          "accessComplexity": "LOW",
          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "NONE"
        },
        "acInsufInfo": false,
        "impactScore": 2.9,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 10,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ]
  },
  "affected": [
    {
      "source": "secalert@redhat.com",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ]
    }
  ],
  "published": "2015-12-06T20:59:00.127",
  "references": [
    {
      "url": "http://fortiguard.com/advisory/openssl-advisory-december-2015",
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10759",
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10761",
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00009.html",
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://openssl.org/news/secadv/20151203.txt",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20151204-openssl",
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://www.oracle.com/technetwork/security-advisory/cpuapr2016v3-2985753.html",
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://www.securitytracker.com/id/1034294",
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://www.slackware.com/security/viewer.php?l=slackware-security&y=2015&m=slackware-security.754583",
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://www.ubuntu.com/usn/USN-2830-1",
      "source": "secalert@redhat.com"
    },
    {
      "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-412672.pdf",
      "source": "secalert@redhat.com"
    },
    {
      "url": "https://git.openssl.org/?p=openssl.git%3Ba=commit%3Bh=ada57746b6b80beae73111fe1291bf8dd89af91c",
      "source": "secalert@redhat.com"
    },
    {
      "url": "https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05398322",
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://fortiguard.com/advisory/openssl-advisory-december-2015",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10759",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10761",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00009.html",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://openssl.org/news/secadv/20151203.txt",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20151204-openssl",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.oracle.com/technetwork/security-advisory/cpuapr2016v3-2985753.html",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.securitytracker.com/id/1034294",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.slackware.com/security/viewer.php?l=slackware-security&y=2015&m=slackware-security.754583",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.ubuntu.com/usn/USN-2830-1",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-412672.pdf",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://git.openssl.org/?p=openssl.git%3Ba=commit%3Bh=ada57746b6b80beae73111fe1291bf8dd89af91c",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05398322",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-189"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "The ssl3_get_key_exchange function in ssl/s3_clnt.c in OpenSSL 1.0.2 before 1.0.2e allows remote servers to cause a denial of service (segmentation fault) via a zero p value in an anonymous Diffie-Hellman (DH) ServerKeyExchange message."
    },
    {
      "lang": "es",
      "value": "La función ssl3_get_key_exchange en ssl/s3_clnt.c en OpenSSL 1.0.2 en versiones anteriores a 1.0.2e permite a servidores remotos provocar una denegación de servicio (fallo de segmentación) a través de un valor cero p en un mensaje anónimo de Diffie-Hellman (DH) ServerKeyExchange."
    }
  ],
  "lastModified": "2026-06-17T00:23:00.990",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:openssl:openssl:1.0.2:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "AD3E5C1B-EC63-4214-A0BD-0B8681CE6C8B"
            },
            {
              "criteria": "cpe:2.3:a:openssl:openssl:1.0.2a:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "60F946FD-F564-49DA-B043-5943308BA9EE"
            },
            {
              "criteria": "cpe:2.3:a:openssl:openssl:1.0.2b:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "4847BCF3-EFCE-41AF-8E7D-3D51EB9DCC5B"
            },
            {
              "criteria": "cpe:2.3:a:openssl:openssl:1.0.2c:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "9B89180B-FB68-4DD8-B076-16E51CC7FB91"
            },
            {
              "criteria": "cpe:2.3:a:openssl:openssl:1.0.2d:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "4C986592-4086-4A39-9767-EF34DBAA6A53"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "secalert@redhat.com"
}