CVE-2017-3736 (GCVE-0-2017-3736)
Vulnerability from cvelistv5
Published
2017-11-02 17:00
Modified
2024-09-16 20:12
Severity ?
CWE
  • carry-propagating bug
Summary
There is a carry propagating bug in the x86_64 Montgomery squaring procedure in OpenSSL before 1.0.2m and 1.1.0 before 1.1.0g. No EC algorithms are affected. Analysis suggests that attacks against RSA and DSA as a result of this defect would be very difficult to perform and are not believed likely. Attacks against DH are considered just feasible (although very difficult) because most of the work necessary to deduce information about a private key may be performed offline. The amount of resources required for such an attack would be very significant and likely only accessible to a limited number of attackers. An attacker would additionally need online access to an unpatched system using the target private key in a scenario with persistent DH parameters and a private key that is shared between multiple clients. This only affects processors that support the BMI1, BMI2 and ADX extensions like Intel Broadwell (5th generation) and later or AMD Ryzen.
References
openssl-security@openssl.org http://www.oracle.com/technetwork/security-advisory/cpuapr2018-3678067.html Patch, Third Party Advisory
openssl-security@openssl.org http://www.oracle.com/technetwork/security-advisory/cpujan2018-3236628.html Patch, Third Party Advisory
openssl-security@openssl.org http://www.oracle.com/technetwork/security-advisory/cpujul2018-4258247.html Patch, Third Party Advisory
openssl-security@openssl.org http://www.oracle.com/technetwork/security-advisory/cpuoct2018-4428296.html Patch, Third Party Advisory
openssl-security@openssl.org http://www.securityfocus.com/bid/101666 Third Party Advisory, VDB Entry
openssl-security@openssl.org http://www.securitytracker.com/id/1039727 Third Party Advisory, VDB Entry
openssl-security@openssl.org https://access.redhat.com/errata/RHSA-2018:0998 Third Party Advisory
openssl-security@openssl.org https://access.redhat.com/errata/RHSA-2018:2185 Third Party Advisory
openssl-security@openssl.org https://access.redhat.com/errata/RHSA-2018:2186 Third Party Advisory
openssl-security@openssl.org https://access.redhat.com/errata/RHSA-2018:2187 Third Party Advisory
openssl-security@openssl.org https://access.redhat.com/errata/RHSA-2018:2568 Third Party Advisory
openssl-security@openssl.org https://access.redhat.com/errata/RHSA-2018:2575 Third Party Advisory
openssl-security@openssl.org https://access.redhat.com/errata/RHSA-2018:2713 Third Party Advisory
openssl-security@openssl.org https://github.com/openssl/openssl/commit/4443cf7aa0099e5ce615c18cee249fff77fb0871 Third Party Advisory
openssl-security@openssl.org https://security.FreeBSD.org/advisories/FreeBSD-SA-17:11.openssl.asc Third Party Advisory
openssl-security@openssl.org https://security.gentoo.org/glsa/201712-03 Third Party Advisory
openssl-security@openssl.org https://security.netapp.com/advisory/ntap-20171107-0002/ Issue Tracking, Third Party Advisory
openssl-security@openssl.org https://security.netapp.com/advisory/ntap-20180117-0002/ Third Party Advisory
openssl-security@openssl.org https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbst03881en_us Third Party Advisory
openssl-security@openssl.org https://www.debian.org/security/2017/dsa-4017 Issue Tracking, Third Party Advisory
openssl-security@openssl.org https://www.debian.org/security/2017/dsa-4018 Issue Tracking, Third Party Advisory
openssl-security@openssl.org https://www.openssl.org/news/secadv/20171102.txt Issue Tracking, Vendor Advisory
openssl-security@openssl.org https://www.oracle.com/technetwork/security-advisory/cpuapr2019-5072813.html
openssl-security@openssl.org https://www.oracle.com/technetwork/security-advisory/cpujan2019-5072801.html
openssl-security@openssl.org https://www.oracle.com/technetwork/security-advisory/cpujul2019-5072835.html
openssl-security@openssl.org https://www.tenable.com/security/tns-2017-14 Issue Tracking, Third Party Advisory
openssl-security@openssl.org https://www.tenable.com/security/tns-2017-15 Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 http://www.oracle.com/technetwork/security-advisory/cpuapr2018-3678067.html Patch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 http://www.oracle.com/technetwork/security-advisory/cpujan2018-3236628.html Patch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 http://www.oracle.com/technetwork/security-advisory/cpujul2018-4258247.html Patch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 http://www.oracle.com/technetwork/security-advisory/cpuoct2018-4428296.html Patch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 http://www.securityfocus.com/bid/101666 Third Party Advisory, VDB Entry
af854a3a-2127-422b-91ae-364da2661108 http://www.securitytracker.com/id/1039727 Third Party Advisory, VDB Entry
af854a3a-2127-422b-91ae-364da2661108 https://access.redhat.com/errata/RHSA-2018:0998 Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 https://access.redhat.com/errata/RHSA-2018:2185 Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 https://access.redhat.com/errata/RHSA-2018:2186 Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 https://access.redhat.com/errata/RHSA-2018:2187 Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 https://access.redhat.com/errata/RHSA-2018:2568 Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 https://access.redhat.com/errata/RHSA-2018:2575 Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 https://access.redhat.com/errata/RHSA-2018:2713 Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 https://github.com/openssl/openssl/commit/4443cf7aa0099e5ce615c18cee249fff77fb0871 Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 https://security.FreeBSD.org/advisories/FreeBSD-SA-17:11.openssl.asc Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 https://security.gentoo.org/glsa/201712-03 Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 https://security.netapp.com/advisory/ntap-20171107-0002/ Issue Tracking, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 https://security.netapp.com/advisory/ntap-20180117-0002/ Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbst03881en_us Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 https://www.debian.org/security/2017/dsa-4017 Issue Tracking, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 https://www.debian.org/security/2017/dsa-4018 Issue Tracking, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 https://www.openssl.org/news/secadv/20171102.txt Issue Tracking, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108 https://www.oracle.com/technetwork/security-advisory/cpuapr2019-5072813.html
af854a3a-2127-422b-91ae-364da2661108 https://www.oracle.com/technetwork/security-advisory/cpujan2019-5072801.html
af854a3a-2127-422b-91ae-364da2661108 https://www.oracle.com/technetwork/security-advisory/cpujul2019-5072835.html
af854a3a-2127-422b-91ae-364da2661108 https://www.tenable.com/security/tns-2017-14 Issue Tracking, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 https://www.tenable.com/security/tns-2017-15 Third Party Advisory
Impacted products
Vendor Product Version
OpenSSL Software Foundation OpenSSL Version: 1.1.0 - 1.1.0f
Version: 1.0.2 - 1.0.2l
 Create a notification for this product.
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            {
              "name": "RHSA-2018:2185",
              "refsource": "REDHAT",
              "url": "https://access.redhat.com/errata/RHSA-2018:2185"
            },
            {
              "name": "https://github.com/openssl/openssl/commit/4443cf7aa0099e5ce615c18cee249fff77fb0871",
              "refsource": "MISC",
              "url": "https://github.com/openssl/openssl/commit/4443cf7aa0099e5ce615c18cee249fff77fb0871"
            },
            {
              "name": "RHSA-2018:2186",
              "refsource": "REDHAT",
              "url": "https://access.redhat.com/errata/RHSA-2018:2186"
            },
            {
              "name": "http://www.oracle.com/technetwork/security-advisory/cpujul2018-4258247.html",
              "refsource": "CONFIRM",
              "url": "http://www.oracle.com/technetwork/security-advisory/cpujul2018-4258247.html"
            },
            {
              "name": "http://www.oracle.com/technetwork/security-advisory/cpujan2018-3236628.html",
              "refsource": "CONFIRM",
              "url": "http://www.oracle.com/technetwork/security-advisory/cpujan2018-3236628.html"
            },
            {
              "name": "RHSA-2018:2713",
              "refsource": "REDHAT",
              "url": "https://access.redhat.com/errata/RHSA-2018:2713"
            },
            {
              "name": "https://www.oracle.com/technetwork/security-advisory/cpujan2019-5072801.html",
              "refsource": "CONFIRM",
              "url": "https://www.oracle.com/technetwork/security-advisory/cpujan2019-5072801.html"
            },
            {
              "name": "DSA-4018",
              "refsource": "DEBIAN",
              "url": "https://www.debian.org/security/2017/dsa-4018"
            },
            {
              "name": "GLSA-201712-03",
              "refsource": "GENTOO",
              "url": "https://security.gentoo.org/glsa/201712-03"
            },
            {
              "name": "RHSA-2018:0998",
              "refsource": "REDHAT",
              "url": "https://access.redhat.com/errata/RHSA-2018:0998"
            },
            {
              "name": "RHSA-2018:2575",
              "refsource": "REDHAT",
              "url": "https://access.redhat.com/errata/RHSA-2018:2575"
            },
            {
              "name": "https://www.tenable.com/security/tns-2017-15",
              "refsource": "CONFIRM",
              "url": "https://www.tenable.com/security/tns-2017-15"
            },
            {
              "name": "http://www.oracle.com/technetwork/security-advisory/cpuapr2018-3678067.html",
              "refsource": "CONFIRM",
              "url": "http://www.oracle.com/technetwork/security-advisory/cpuapr2018-3678067.html"
            },
            {
              "name": "101666",
              "refsource": "BID",
              "url": "http://www.securityfocus.com/bid/101666"
            },
            {
              "name": "RHSA-2018:2568",
              "refsource": "REDHAT",
              "url": "https://access.redhat.com/errata/RHSA-2018:2568"
            },
            {
              "name": "https://www.openssl.org/news/secadv/20171102.txt",
              "refsource": "CONFIRM",
              "url": "https://www.openssl.org/news/secadv/20171102.txt"
            },
            {
              "name": "http://www.oracle.com/technetwork/security-advisory/cpuoct2018-4428296.html",
              "refsource": "CONFIRM",
              "url": "http://www.oracle.com/technetwork/security-advisory/cpuoct2018-4428296.html"
            },
            {
              "name": "DSA-4017",
              "refsource": "DEBIAN",
              "url": "https://www.debian.org/security/2017/dsa-4017"
            },
            {
              "name": "https://www.tenable.com/security/tns-2017-14",
              "refsource": "CONFIRM",
              "url": "https://www.tenable.com/security/tns-2017-14"
            },
            {
              "name": "FreeBSD-SA-17:11",
              "refsource": "FREEBSD",
              "url": "https://security.FreeBSD.org/advisories/FreeBSD-SA-17:11.openssl.asc"
            },
            {
              "name": "1039727",
              "refsource": "SECTRACK",
              "url": "http://www.securitytracker.com/id/1039727"
            },
            {
              "name": "https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US\u0026docId=emr_na-hpesbst03881en_us",
              "refsource": "CONFIRM",
              "url": "https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US\u0026docId=emr_na-hpesbst03881en_us"
            },
            {
              "name": "RHSA-2018:2187",
              "refsource": "REDHAT",
              "url": "https://access.redhat.com/errata/RHSA-2018:2187"
            },
            {
              "name": "https://security.netapp.com/advisory/ntap-20180117-0002/",
              "refsource": "CONFIRM",
              "url": "https://security.netapp.com/advisory/ntap-20180117-0002/"
            },
            {
              "name": "https://www.oracle.com/technetwork/security-advisory/cpuapr2019-5072813.html",
              "refsource": "MISC",
              "url": "https://www.oracle.com/technetwork/security-advisory/cpuapr2019-5072813.html"
            },
            {
              "name": "https://www.oracle.com/technetwork/security-advisory/cpujul2019-5072835.html",
              "refsource": "MISC",
              "url": "https://www.oracle.com/technetwork/security-advisory/cpujul2019-5072835.html"
            }
          ]
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "3a12439a-ef3a-4c79-92e6-6081a721f1e5",
    "assignerShortName": "openssl",
    "cveId": "CVE-2017-3736",
    "datePublished": "2017-11-02T17:00:00Z",
    "dateReserved": "2016-12-16T00:00:00",
    "dateUpdated": "2024-09-16T20:12:39.274Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "vulnerability-lookup:meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2017-3736\",\"sourceIdentifier\":\"openssl-security@openssl.org\",\"published\":\"2017-11-02T17:29:00.243\",\"lastModified\":\"2025-04-20T01:37:25.860\",\"vulnStatus\":\"Deferred\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"There is a carry propagating bug in the x86_64 Montgomery squaring procedure in OpenSSL before 1.0.2m and 1.1.0 before 1.1.0g. No EC algorithms are affected. Analysis suggests that attacks against RSA and DSA as a result of this defect would be very difficult to perform and are not believed likely. Attacks against DH are considered just feasible (although very difficult) because most of the work necessary to deduce information about a private key may be performed offline. The amount of resources required for such an attack would be very significant and likely only accessible to a limited number of attackers. An attacker would additionally need online access to an unpatched system using the target private key in a scenario with persistent DH parameters and a private key that is shared between multiple clients. This only affects processors that support the BMI1, BMI2 and ADX extensions like Intel Broadwell (5th generation) and later or AMD Ryzen.\"},{\"lang\":\"es\",\"value\":\"Existe un error de propagaci\u00f3n de d\u00edgito (carry propagation) en el procedimiento de elevaci\u00f3n al cuadrado de x86_64 Montgomery en OpenSSL en versiones anteriores a la 1.0.2m y 1.1.0 anteriores a la 1.1.0g. Ning\u00fan algoritmo EC se ha visto afectado. El an\u00e1lisis sugiere que los ataques contra RSA y DSA como resultado de este defecto ser\u00edan muy dif\u00edciles de realizar y no se ve probable. Los ataques contra DH se consideran simplemente factibles (aunque muy dif\u00edciles) porque la mayor\u00eda del trabajo necesario para deducir la informaci\u00f3n sobre una clave privada se puede realizar offline. La cantidad de recursos necesarios para este ataque ser\u00eda muy elevada y lo m\u00e1s probable es que solo sea accesible para un n\u00famero limitado de atacantes. Un atacante necesitar\u00eda acceso online a un sistema sin parchear que utilice la clave privada objetivo en una situaci\u00f3n con par\u00e1metros DH persistentes y una clave privada que se comparte entre m\u00faltiples clientes. Esto solo afecta a los procesadores que son compatibles con las extensiones BMI1, BMI2 y ADX como Intel Broadwell (5\u00aa generaci\u00f3n) y posteriores o AMD Ryzen.\"}],\"metrics\":{\"cvssMetricV30\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.0\",\"vectorString\":\"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N\",\"baseScore\":6.5,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"NONE\"},\"exploitabilityScore\":2.8,\"impactScore\":3.6}],\"cvssMetricV2\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"2.0\",\"vectorString\":\"AV:N/AC:L/Au:S/C:P/I:N/A:N\",\"baseScore\":4.0,\"accessVector\":\"NETWORK\",\"accessComplexity\":\"LOW\",\"authentication\":\"SINGLE\",\"confidentialityImpact\":\"PARTIAL\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"NONE\"},\"baseSeverity\":\"MEDIUM\",\"exploitabilityScore\":8.0,\"impactScore\":2.9,\"acInsufInfo\":false,\"obtainAllPrivilege\":false,\"obtainUserPrivilege\":false,\"obtainOtherPrivilege\":false,\"userInteractionRequired\":false}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-200\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:openssl:openssl:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"1.0.2\",\"versionEndExcluding\":\"1.0.2m\",\"matchCriteriaId\":\"C1069D78-287A-4623-9721-FD9E26135354\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:openssl:openssl:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"1.1.0\",\"versionEndExcluding\":\"1.1.0g\",\"matchCriteriaId\":\"28E0F2BE-8EDA-4C09-B251-C35352A621D0\"}]}]}],\"references\":[{\"url\":\"http://www.oracle.com/technetwork/security-advisory/cpuapr2018-3678067.html\",\"source\":\"openssl-security@openssl.org\",\"tags\":[\"Patch\",\"Third 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  }
}


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  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
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