CVE-2010-2939

Estado: ModificadaMedia (4.3)—💥 Exploit

Double free vulnerability in the ssl3_get_key_exchange function in the OpenSSL client (ssl/s3_clnt.c) in OpenSSL 1.0.0a, 0.9.8, 0.9.7, and possibly other versions, when using ECDH, allows context-dependent attackers to cause a denial of service (crash) and possibly execute arbitrary code via a crafted private key with an invalid prime. NOTE: some sources refer to this as a use-after-free issue.

CVSS

Versión: 2.0
Vector: AV:N/AC:M/Au:N/C:N/I:N/A:P
Puntuación base: 4.3

Probabilidad de explotación (EPSS)

Probabilidad de explotación en los próximos 30 días: 9.98%
Percentil entre todas las CVEs puntuadas: 95
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).

💥 Exploits públicos

Hay código de explotación o plantillas de detección públicos. No es lo mismo que explotación activa confirmada (KEV), pero aumenta el riesgo: parchee con prioridad.

Publicado en Exploit-DB · OpenSSL - 'ssl3_get_key_exchange()' Use-After-Free Memory Corruption (7/8/2010)

Tecnologías afectadas (1)

Openssl — Openssl

CWE

CWE-399

Referencias

JSON original (NVD)

Mostrar

{
  "id": "CVE-2010-2939",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 4.3,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:M/Au:N/C:N/I:N/A:P",
          "authentication": "NONE",
          "integrityImpact": "NONE",
          "accessComplexity": "MEDIUM",
          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "NONE"
        },
        "acInsufInfo": false,
        "impactScore": 2.9,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 8.6,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": true
      }
    ]
  },
  "affected": [
    {
      "source": "secalert@redhat.com",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ]
    }
  ],
  "published": "2010-08-17T20:00:03.923",
  "references": [
    {
      "url": "http://lists.opensuse.org/opensuse-security-announce/2010-11/msg00005.html",
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://marc.info/?l=bugtraq&m=130331363227777&w=2",
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://seclists.org/fulldisclosure/2010/Aug/84",
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://secunia.com/advisories/40906",
      "tags": [
        "Vendor Advisory"
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      "source": "secalert@redhat.com"
    },
    {
      "url": "http://secunia.com/advisories/41105",
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://secunia.com/advisories/42309",
      "source": "secalert@redhat.com"
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    {
      "url": "http://secunia.com/advisories/42413",
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://secunia.com/advisories/43312",
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://security.FreeBSD.org/advisories/FreeBSD-SA-10:10.openssl.asc",
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://securitytracker.com/id?1024296",
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    },
    {
      "url": "http://slackware.com/security/viewer.php?l=slackware-security&y=2010&m=slackware-security.668793",
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://www.debian.org/security/2010/dsa-2100",
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://www.mail-archive.com/openssl-dev%40openssl.org/msg28043.html",
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://www.mail-archive.com/openssl-dev%40openssl.org/msg28045.html",
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://www.mail-archive.com/openssl-dev%40openssl.org/msg28049.html",
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://www.openwall.com/lists/oss-security/2010/08/11/6",
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    {
      "url": "http://www.securityfocus.com/archive/1/516397/100/0/threaded",
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://www.ubuntu.com/usn/USN-1003-1",
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://www.vmware.com/security/advisories/VMSA-2011-0003.html",
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://www.vupen.com/english/advisories/2010/2038",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://www.vupen.com/english/advisories/2010/2229",
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://www.vupen.com/english/advisories/2010/3077",
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://lists.opensuse.org/opensuse-security-announce/2010-11/msg00005.html",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://marc.info/?l=bugtraq&m=130331363227777&w=2",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
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    {
      "url": "http://seclists.org/fulldisclosure/2010/Aug/84",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://secunia.com/advisories/40906",
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    },
    {
      "url": "http://secunia.com/advisories/41105",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://secunia.com/advisories/42309",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://secunia.com/advisories/42413",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://secunia.com/advisories/43312",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://security.FreeBSD.org/advisories/FreeBSD-SA-10:10.openssl.asc",
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    {
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    {
      "url": "http://slackware.com/security/viewer.php?l=slackware-security&y=2010&m=slackware-security.668793",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
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    {
      "url": "http://www.debian.org/security/2010/dsa-2100",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
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      "url": "http://www.mail-archive.com/openssl-dev%40openssl.org/msg28043.html",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
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    {
      "url": "http://www.mail-archive.com/openssl-dev%40openssl.org/msg28045.html",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
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    {
      "url": "http://www.mail-archive.com/openssl-dev%40openssl.org/msg28049.html",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
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      "url": "http://www.openwall.com/lists/oss-security/2010/08/11/6",
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      "url": "http://www.securityfocus.com/archive/1/516397/100/0/threaded",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
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    {
      "url": "http://www.ubuntu.com/usn/USN-1003-1",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.vmware.com/security/advisories/VMSA-2011-0003.html",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.vupen.com/english/advisories/2010/2038",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.vupen.com/english/advisories/2010/2229",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.vupen.com/english/advisories/2010/3077",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-399"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Double free vulnerability in the ssl3_get_key_exchange function in the OpenSSL client (ssl/s3_clnt.c) in OpenSSL 1.0.0a, 0.9.8, 0.9.7, and possibly other versions, when using ECDH, allows context-dependent attackers to cause a denial of service (crash) and possibly execute arbitrary code via a crafted private key with an invalid prime.  NOTE: some sources refer to this as a use-after-free issue."
    },
    {
      "lang": "es",
      "value": "Vulnerabilidad de doble liberación en la función ssl3_get_key_exchange en el cliente OpenSSL (ssl/s3_clnt.c) de OpenSSL v1.0.0a, v0.9.8, v0.9.7, y posiblemente otras versiones, cuando usa ECDH, permite a atacantes depediendo del contexto provocar una denegación de servicio (caída) y posiblemente ejecutar código a su elección a través de claves privadas manipuladas con un número no válido. NOTA: algunas fuentes se refieren a esto como un problema de uso después de la liberación."
    }
  ],
  "lastModified": "2026-06-16T23:21:47.643",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:openssl:openssl:0.9.7:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "45A518E8-21BE-4C5C-B425-410AB1208E9C"
            },
            {
              "criteria": "cpe:2.3:a:openssl:openssl:0.9.8:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "8A4E446D-B9D3-45F2-9722-B41FA14A6C31"
            },
            {
              "criteria": "cpe:2.3:a:openssl:openssl:1.0.0a:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "10FF0A06-DA61-4250-B083-67E55E362677"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "secalert@redhat.com"
}