cve-2018-0732
Vulnerability from cvelistv5
Published
2018-06-12 13:00
Modified
2024-09-17 02:11
Severity
Summary
Client DoS due to large DH parameter
References
SourceURLTags
openssl-security@openssl.orghttp://www.oracle.com/technetwork/security-advisory/cpuoct2018-4428296.htmlPatch, Third Party Advisory
openssl-security@openssl.orghttp://www.securityfocus.com/bid/104442Third Party Advisory, VDB Entry
openssl-security@openssl.orghttp://www.securitytracker.com/id/1041090Third Party Advisory, VDB Entry
openssl-security@openssl.orghttps://access.redhat.com/errata/RHSA-2018:2552Third Party Advisory
openssl-security@openssl.orghttps://access.redhat.com/errata/RHSA-2018:2553Third Party Advisory
openssl-security@openssl.orghttps://access.redhat.com/errata/RHSA-2018:3221Third Party Advisory
openssl-security@openssl.orghttps://access.redhat.com/errata/RHSA-2018:3505Third Party Advisory
openssl-security@openssl.orghttps://access.redhat.com/errata/RHSA-2019:1296Third Party Advisory
openssl-security@openssl.orghttps://access.redhat.com/errata/RHSA-2019:1297Third Party Advisory
openssl-security@openssl.orghttps://access.redhat.com/errata/RHSA-2019:1543Third Party Advisory
openssl-security@openssl.orghttps://cert-portal.siemens.com/productcert/pdf/ssa-419820.pdfThird Party Advisory
openssl-security@openssl.orghttps://git.openssl.org/gitweb/?p=openssl.git%3Ba=commitdiff%3Bh=3984ef0b72831da8b3ece4745cac4f8575b19098
openssl-security@openssl.orghttps://git.openssl.org/gitweb/?p=openssl.git%3Ba=commitdiff%3Bh=ea7abeeabf92b7aca160bdd0208636d4da69f4f4
openssl-security@openssl.orghttps://lists.debian.org/debian-lts-announce/2018/07/msg00043.htmlThird Party Advisory
openssl-security@openssl.orghttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/EWC42UXL5GHTU5G77VKBF6JYUUNGSHOM/
openssl-security@openssl.orghttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/Y3IVFGSERAZLNJCK35TEM2R4726XIH3Z/
openssl-security@openssl.orghttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZBEV5QGDRFUZDMNECFXUSN5FMYOZDE4V/
openssl-security@openssl.orghttps://nodejs.org/en/blog/vulnerability/august-2018-security-releases/Vendor Advisory
openssl-security@openssl.orghttps://security.gentoo.org/glsa/201811-03Third Party Advisory
openssl-security@openssl.orghttps://security.netapp.com/advisory/ntap-20181105-0001/Third Party Advisory
openssl-security@openssl.orghttps://security.netapp.com/advisory/ntap-20190118-0002/Third Party Advisory
openssl-security@openssl.orghttps://securityadvisories.paloaltonetworks.com/Home/Detail/133Third Party Advisory
openssl-security@openssl.orghttps://usn.ubuntu.com/3692-1/Third Party Advisory
openssl-security@openssl.orghttps://usn.ubuntu.com/3692-2/Third Party Advisory
openssl-security@openssl.orghttps://www.debian.org/security/2018/dsa-4348Third Party Advisory
openssl-security@openssl.orghttps://www.debian.org/security/2018/dsa-4355Third Party Advisory
openssl-security@openssl.orghttps://www.openssl.org/news/secadv/20180612.txtVendor Advisory
openssl-security@openssl.orghttps://www.oracle.com/security-alerts/cpuapr2020.htmlThird Party Advisory
openssl-security@openssl.orghttps://www.oracle.com/security-alerts/cpujan2021.htmlThird Party Advisory
openssl-security@openssl.orghttps://www.oracle.com/technetwork/security-advisory/cpuapr2019-5072813.htmlPatch, Third Party Advisory
openssl-security@openssl.orghttps://www.oracle.com/technetwork/security-advisory/cpujan2019-5072801.htmlPatch, Third Party Advisory
openssl-security@openssl.orghttps://www.oracle.com/technetwork/security-advisory/cpujul2019-5072835.htmlPatch, Third Party Advisory
openssl-security@openssl.orghttps://www.oracle.com/technetwork/security-advisory/cpuoct2019-5072832.htmlPatch, Third Party Advisory
openssl-security@openssl.orghttps://www.tenable.com/security/tns-2018-12Third Party Advisory
openssl-security@openssl.orghttps://www.tenable.com/security/tns-2018-13Third Party Advisory
openssl-security@openssl.orghttps://www.tenable.com/security/tns-2018-14Third Party Advisory
openssl-security@openssl.orghttps://www.tenable.com/security/tns-2018-17Third Party Advisory
Impacted products
VendorProduct
OpenSSLOpenSSL
Show details on NVD website

To clipboard 

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          "versions": [
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          "value": "Guido Vranken"
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          "value": "During key agreement in a TLS handshake using a DH(E) based ciphersuite a malicious server can send a very large prime value to the client. This will cause the client to spend an unreasonably long period of time generating a key for this prime resulting in a hang until the client has finished. This could be exploited in a Denial Of Service attack. Fixed in OpenSSL 1.1.0i-dev (Affected 1.1.0-1.1.0h). Fixed in OpenSSL 1.0.2p-dev (Affected 1.0.2-1.0.2o)."
        }
      ],
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              "url": "https://www.openssl.org/policies/secpolicy.html#Low",
              "value": "Low"
            },
            "type": "unknown"
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        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-419820.pdf"
        }
      ],
      "title": "Client DoS due to large DH parameter",
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "openssl-security@openssl.org",
          "DATE_PUBLIC": "2018-06-12",
          "ID": "CVE-2018-0732",
          "STATE": "PUBLIC",
          "TITLE": "Client DoS due to large DH parameter"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "OpenSSL",
                      "version": {
                        "version_data": [
                          {
                            "version_value": "Fixed in OpenSSL 1.1.0i-dev (Affected 1.1.0-1.1.0h)"
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                          {
                            "version_value": "Fixed in OpenSSL 1.0.2p-dev (Affected 1.0.2-1.0.2o)"
                          }
                        ]
                      }
                    }
                  ]
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                "vendor_name": "OpenSSL"
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        },
        "credit": [
          {
            "lang": "eng",
            "value": "Guido Vranken"
          }
        ],
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
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              "value": "During key agreement in a TLS handshake using a DH(E) based ciphersuite a malicious server can send a very large prime value to the client. This will cause the client to spend an unreasonably long period of time generating a key for this prime resulting in a hang until the client has finished. This could be exploited in a Denial Of Service attack. Fixed in OpenSSL 1.1.0i-dev (Affected 1.1.0-1.1.0h). Fixed in OpenSSL 1.0.2p-dev (Affected 1.0.2-1.0.2o)."
            }
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            "url": "https://www.openssl.org/policies/secpolicy.html#Low",
            "value": "Low"
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          "problemtype_data": [
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              "description": [
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                  "lang": "eng",
                  "value": "Client side Denial of Service"
                }
              ]
            }
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            {
              "name": "[debian-lts-announce] 20180728 [SECURITY] [DLA 1449-1] openssl security update",
              "refsource": "MLIST",
              "url": "https://lists.debian.org/debian-lts-announce/2018/07/msg00043.html"
            },
            {
              "name": "104442",
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              "url": "http://www.securityfocus.com/bid/104442"
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              "url": "https://access.redhat.com/errata/RHSA-2018:2553"
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              "url": "https://access.redhat.com/errata/RHSA-2018:3505"
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              "url": "https://usn.ubuntu.com/3692-1/"
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              "refsource": "REDHAT",
              "url": "https://access.redhat.com/errata/RHSA-2018:3221"
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              "url": "http://www.securitytracker.com/id/1041090"
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              "name": "RHSA-2019:1543",
              "refsource": "REDHAT",
              "url": "https://access.redhat.com/errata/RHSA-2019:1543"
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            {
              "name": "FEDORA-2019-db06efdea1",
              "refsource": "FEDORA",
              "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/EWC42UXL5GHTU5G77VKBF6JYUUNGSHOM/"
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              "name": "FEDORA-2019-00c25b9379",
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              "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ZBEV5QGDRFUZDMNECFXUSN5FMYOZDE4V/"
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              "name": "FEDORA-2019-9a0a7c0986",
              "refsource": "FEDORA",
              "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/Y3IVFGSERAZLNJCK35TEM2R4726XIH3Z/"
            },
            {
              "name": "https://www.oracle.com/security-alerts/cpuapr2020.html",
              "refsource": "MISC",
              "url": "https://www.oracle.com/security-alerts/cpuapr2020.html"
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              "name": "http://www.oracle.com/technetwork/security-advisory/cpuoct2018-4428296.html",
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            },
            {
              "name": "https://security.netapp.com/advisory/ntap-20181105-0001/",
              "refsource": "CONFIRM",
              "url": "https://security.netapp.com/advisory/ntap-20181105-0001/"
            },
            {
              "name": "https://nodejs.org/en/blog/vulnerability/august-2018-security-releases/",
              "refsource": "CONFIRM",
              "url": "https://nodejs.org/en/blog/vulnerability/august-2018-security-releases/"
            },
            {
              "name": "https://git.openssl.org/gitweb/?p=openssl.git;a=commitdiff;h=3984ef0b72831da8b3ece4745cac4f8575b19098",
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              "url": "https://git.openssl.org/gitweb/?p=openssl.git;a=commitdiff;h=3984ef0b72831da8b3ece4745cac4f8575b19098"
            },
            {
              "name": "https://www.openssl.org/news/secadv/20180612.txt",
              "refsource": "CONFIRM",
              "url": "https://www.openssl.org/news/secadv/20180612.txt"
            },
            {
              "name": "https://git.openssl.org/gitweb/?p=openssl.git;a=commitdiff;h=ea7abeeabf92b7aca160bdd0208636d4da69f4f4",
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              "url": "https://git.openssl.org/gitweb/?p=openssl.git;a=commitdiff;h=ea7abeeabf92b7aca160bdd0208636d4da69f4f4"
            },
            {
              "name": "https://security.netapp.com/advisory/ntap-20190118-0002/",
              "refsource": "CONFIRM",
              "url": "https://security.netapp.com/advisory/ntap-20190118-0002/"
            },
            {
              "name": "https://cert-portal.siemens.com/productcert/pdf/ssa-419820.pdf",
              "refsource": "CONFIRM",
              "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-419820.pdf"
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  },
  "cveMetadata": {
    "assignerOrgId": "3a12439a-ef3a-4c79-92e6-6081a721f1e5",
    "assignerShortName": "openssl",
    "cveId": "CVE-2018-0732",
    "datePublished": "2018-06-12T13:00:00Z",
    "dateReserved": "2017-11-30T00:00:00",
    "dateUpdated": "2024-09-17T02:11:18.325Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
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    "nvd": "{\"cve\":{\"id\":\"CVE-2018-0732\",\"sourceIdentifier\":\"openssl-security@openssl.org\",\"published\":\"2018-06-12T13:29:00.207\",\"lastModified\":\"2023-11-07T02:51:04.983\",\"vulnStatus\":\"Modified\",\"descriptions\":[{\"lang\":\"en\",\"value\":\"During key agreement in a TLS handshake using a DH(E) based ciphersuite a malicious server can send a very large prime value to the client. This will cause the client to spend an unreasonably long period of time generating a key for this prime resulting in a hang until the client has finished. This could be exploited in a Denial Of Service attack. Fixed in OpenSSL 1.1.0i-dev (Affected 1.1.0-1.1.0h). Fixed in OpenSSL 1.0.2p-dev (Affected 1.0.2-1.0.2o).\"},{\"lang\":\"es\",\"value\":\"Durante los acuerdos de clave en un handshake TLS mediante un conjunto de cifrado basado en DH(E), un servidor malicioso puede enviar un valor primo muy grande al cliente. Esto provocar\u00e1 que el cliente gaste una cantidad de tiempo demasiado grande generando una clave para este primo, lo que resulta en un bloqueo hasta que termine el cliente. Esto podr\u00eda explotarse en un ataque de Denegaci\u00f3n de servicio (DoS). Se ha solucionado en OpenSSL 1.1.0i-dev (afecta a 1.1.0-1.1.0h). Se ha solucionado en OpenSSL 1.0.2p-dev (afecta a 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  }
}


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