{
  "id": "CVE-2013-2061",
  "sourceIdentifier": "secalert@redhat.com",
  "published": "2013-11-18T02:55:07.530",
  "lastModified": "2020-05-12T14:21:12.937",
  "vulnStatus": "Modified",
  "descriptions": [
    {
      "lang": "en",
      "value": "The openvpn_decrypt function in crypto.c in OpenVPN 2.3.0 and earlier, when running in UDP mode, allows remote attackers to obtain sensitive information via a timing attack involving an HMAC comparison function that does not run in constant time and a padding oracle attack on the CBC mode cipher."
    },
    {
      "lang": "es",
      "value": "La funci\u00f3n openvpn_decrypt en el archivo crypto.c en OpenVPN versiones 2.3.0 y anteriores, cuando se ejecuta en modo UDP, permite a los atacantes remotos obtener informaci\u00f3n confidencial por medio de un ataque de sincronizaci\u00f3n que implica una funci\u00f3n de comparaci\u00f3n HMAC que no se ejecuta en tiempo constante y un ataque de tipo padding oracle en el cifrado en modo CBC."
    }
  ],
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        "source": "nvd@nist.gov",
        "type": "Primary",
        "cvssData": {
          "version": "2.0",
          "vectorString": "AV:N/AC:H/Au:N/C:P/I:N/A:N",
          "accessVector": "NETWORK",
          "accessComplexity": "HIGH",
          "authentication": "NONE",
          "confidentialityImpact": "PARTIAL",
          "integrityImpact": "NONE",
          "availabilityImpact": "NONE",
          "baseScore": 2.6
        },
        "baseSeverity": "LOW",
        "exploitabilityScore": 4.9,
        "impactScore": 2.9,
        "acInsufInfo": false,
        "obtainAllPrivilege": false,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
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      "source": "nvd@nist.gov",
      "type": "Primary",
      "description": [
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          "lang": "en",
          "value": "CWE-200"
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    }
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  "references": [
    {
      "url": "http://lists.fedoraproject.org/pipermail/package-announce/2013-May/105568.html",
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://lists.fedoraproject.org/pipermail/package-announce/2013-May/105609.html",
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://lists.opensuse.org/opensuse-updates/2013-11/msg00012.html",
      "source": "secalert@redhat.com",
      "tags": [
        "Vendor Advisory"
      ]
    },
    {
      "url": "http://lists.opensuse.org/opensuse-updates/2013-11/msg00016.html",
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://www.mandriva.com/security/advisories?name=MDVSA-2013:167",
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://www.openwall.com/lists/oss-security/2013/05/06/6",
      "source": "secalert@redhat.com"
    },
    {
      "url": "https://bugs.gentoo.org/show_bug.cgi?id=468756",
      "source": "secalert@redhat.com"
    },
    {
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=960192",
      "source": "secalert@redhat.com"
    },
    {
      "url": "https://community.openvpn.net/openvpn/wiki/SecurityAnnouncement-f375aa67cc",
      "source": "secalert@redhat.com"
    },
    {
      "url": "https://github.com/OpenVPN/openvpn/commit/11d21349a4e7e38a025849479b36ace7c2eec2ee",
      "source": "secalert@redhat.com",
      "tags": [
        "Exploit",
        "Patch"
      ]
    }
  ]
}