cve-2019-15703
Vulnerability from cvelistv5
Published
2019-10-24 13:53
Modified
2024-10-25 14:28
Severity ?
Summary
An Insufficient Entropy in PRNG vulnerability in Fortinet FortiOS 6.2.1, 6.2.0, 6.0.8 and below for device not enable hardware TRNG token and models not support builtin TRNG seed allows attacker to theoretically recover the long term ECDSA secret in a TLS client with a RSA handshake and mutual ECDSA authentication via the help of flush+reload side channel attacks in FortiGate VM models only.
Impacted products
Vendor Product Version
Fortinet Fortinet FortiOS Version: 6.2.1
Version: 6.2.0
Version: 6.0.8 and below
Create a notification for this product.
Show details on NVD website


{
   containers: {
      adp: [
         {
            providerMetadata: {
               dateUpdated: "2024-08-05T00:56:22.456Z",
               orgId: "af854a3a-2127-422b-91ae-364da2661108",
               shortName: "CVE",
            },
            references: [
               {
                  tags: [
                     "x_refsource_MISC",
                     "x_transferred",
                  ],
                  url: "https://fortiguard.com/psirt/FG-IR-19-186",
               },
            ],
            title: "CVE Program Container",
         },
         {
            metrics: [
               {
                  other: {
                     content: {
                        id: "CVE-2019-15703",
                        options: [
                           {
                              Exploitation: "none",
                           },
                           {
                              Automatable: "yes",
                           },
                           {
                              "Technical Impact": "partial",
                           },
                        ],
                        role: "CISA Coordinator",
                        timestamp: "2024-10-24T20:09:52.556651Z",
                        version: "2.0.3",
                     },
                     type: "ssvc",
                  },
               },
            ],
            providerMetadata: {
               dateUpdated: "2024-10-25T14:28:18.828Z",
               orgId: "134c704f-9b21-4f2e-91b3-4a467353bcc0",
               shortName: "CISA-ADP",
            },
            title: "CISA ADP Vulnrichment",
         },
      ],
      cna: {
         affected: [
            {
               product: "Fortinet FortiOS",
               vendor: "Fortinet",
               versions: [
                  {
                     status: "affected",
                     version: "6.2.1",
                  },
                  {
                     status: "affected",
                     version: "6.2.0",
                  },
                  {
                     status: "affected",
                     version: "6.0.8 and below",
                  },
               ],
            },
         ],
         descriptions: [
            {
               lang: "en",
               value: "An Insufficient Entropy in PRNG vulnerability in Fortinet FortiOS 6.2.1, 6.2.0, 6.0.8 and below for device not enable hardware TRNG token and models not support builtin TRNG seed allows attacker to theoretically recover the long term ECDSA secret in a TLS client with a RSA handshake and mutual ECDSA authentication via the help of flush+reload side channel attacks in FortiGate VM models only.",
            },
         ],
         problemTypes: [
            {
               descriptions: [
                  {
                     description: "Information disclosure",
                     lang: "en",
                     type: "text",
                  },
               ],
            },
         ],
         providerMetadata: {
            dateUpdated: "2020-03-30T19:12:50",
            orgId: "6abe59d8-c742-4dff-8ce8-9b0ca1073da8",
            shortName: "fortinet",
         },
         references: [
            {
               tags: [
                  "x_refsource_MISC",
               ],
               url: "https://fortiguard.com/psirt/FG-IR-19-186",
            },
         ],
         x_legacyV4Record: {
            CVE_data_meta: {
               ASSIGNER: "psirt@fortinet.com",
               ID: "CVE-2019-15703",
               STATE: "PUBLIC",
            },
            affects: {
               vendor: {
                  vendor_data: [
                     {
                        product: {
                           product_data: [
                              {
                                 product_name: "Fortinet FortiOS",
                                 version: {
                                    version_data: [
                                       {
                                          version_value: "6.2.1",
                                       },
                                       {
                                          version_value: "6.2.0",
                                       },
                                       {
                                          version_value: "6.0.8 and below",
                                       },
                                    ],
                                 },
                              },
                           ],
                        },
                        vendor_name: "Fortinet",
                     },
                  ],
               },
            },
            data_format: "MITRE",
            data_type: "CVE",
            data_version: "4.0",
            description: {
               description_data: [
                  {
                     lang: "eng",
                     value: "An Insufficient Entropy in PRNG vulnerability in Fortinet FortiOS 6.2.1, 6.2.0, 6.0.8 and below for device not enable hardware TRNG token and models not support builtin TRNG seed allows attacker to theoretically recover the long term ECDSA secret in a TLS client with a RSA handshake and mutual ECDSA authentication via the help of flush+reload side channel attacks in FortiGate VM models only.",
                  },
               ],
            },
            problemtype: {
               problemtype_data: [
                  {
                     description: [
                        {
                           lang: "eng",
                           value: "Information disclosure",
                        },
                     ],
                  },
               ],
            },
            references: {
               reference_data: [
                  {
                     name: "https://fortiguard.com/psirt/FG-IR-19-186",
                     refsource: "MISC",
                     url: "https://fortiguard.com/psirt/FG-IR-19-186",
                  },
               ],
            },
         },
      },
   },
   cveMetadata: {
      assignerOrgId: "6abe59d8-c742-4dff-8ce8-9b0ca1073da8",
      assignerShortName: "fortinet",
      cveId: "CVE-2019-15703",
      datePublished: "2019-10-24T13:53:17",
      dateReserved: "2019-08-27T00:00:00",
      dateUpdated: "2024-10-25T14:28:18.828Z",
      state: "PUBLISHED",
   },
   dataType: "CVE_RECORD",
   dataVersion: "5.1",
   "vulnerability-lookup:meta": {
      nvd: "{\"cve\":{\"id\":\"CVE-2019-15703\",\"sourceIdentifier\":\"psirt@fortinet.com\",\"published\":\"2019-10-24T14:15:11.003\",\"lastModified\":\"2024-11-21T04:29:17.510\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"An Insufficient Entropy in PRNG vulnerability in Fortinet FortiOS 6.2.1, 6.2.0, 6.0.8 and below for device not enable hardware TRNG token and models not support builtin TRNG seed allows attacker to theoretically recover the long term ECDSA secret in a TLS client with a RSA handshake and mutual ECDSA authentication via the help of flush+reload side channel attacks in FortiGate VM models only.\"},{\"lang\":\"es\",\"value\":\"Una Entropía Insuficiente en la vulnerabilidad del PRNG en Fortinet FortiOS versión 6.2.1, 6.2.0, 6.0.8 y posteriores, para dispositivos que no habilitan token TRNG de hardware y modelos que no admiten un seed TRNG incorporado permite al atacante recuperar teóricamente el secreto ECDSA a largo plazo en un cliente TLS con un protocolo de enlace RSA y autenticación mutua ECDSA mediante la ayuda de los ataques de canal lateral flush+reload solo en los modelos FortiGate VM.\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N\",\"baseScore\":7.5,\"baseSeverity\":\"HIGH\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"NONE\"},\"exploitabilityScore\":3.9,\"impactScore\":3.6}],\"cvssMetricV2\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"2.0\",\"vectorString\":\"AV:N/AC:H/Au:N/C:P/I:N/A:N\",\"baseScore\":2.6,\"accessVector\":\"NETWORK\",\"accessComplexity\":\"HIGH\",\"authentication\":\"NONE\",\"confidentialityImpact\":\"PARTIAL\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"NONE\"},\"baseSeverity\":\"LOW\",\"exploitabilityScore\":4.9,\"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-331\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:fortinet:fortios:*:*:*:*:*:*:*:*\",\"versionEndIncluding\":\"5.6.9\",\"matchCriteriaId\":\"9C424D53-2941-43BA-B4BA-FE6C06B08190\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:fortinet:fortios:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"6.0.0\",\"versionEndExcluding\":\"6.0.9\",\"matchCriteriaId\":\"C2F4F708-941B-4EBD-9DAB-D726887B63DF\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:fortinet:fortios:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"6.2.0\",\"versionEndExcluding\":\"6.2.3\",\"matchCriteriaId\":\"7EE3901A-D32C-44DD-8977-87B4A4B6F3FE\"}]}]}],\"references\":[{\"url\":\"https://fortiguard.com/psirt/FG-IR-19-186\",\"source\":\"psirt@fortinet.com\",\"tags\":[\"Vendor Advisory\"]},{\"url\":\"https://fortiguard.com/psirt/FG-IR-19-186\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Vendor Advisory\"]}]}}",
      vulnrichment: {
         containers: "{\"adp\": [{\"title\": \"CVE Program Container\", \"references\": [{\"url\": \"https://fortiguard.com/psirt/FG-IR-19-186\", \"tags\": [\"x_refsource_MISC\", \"x_transferred\"]}], \"providerMetadata\": {\"orgId\": \"af854a3a-2127-422b-91ae-364da2661108\", \"shortName\": \"CVE\", \"dateUpdated\": \"2024-08-05T00:56:22.456Z\"}}, {\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2019-15703\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"yes\"}, {\"Technical Impact\": \"partial\"}], \"version\": \"2.0.3\", \"timestamp\": \"2024-10-24T20:09:52.556651Z\"}}}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2024-10-25T14:17:30.420Z\"}}], \"cna\": {\"affected\": [{\"vendor\": \"Fortinet\", \"product\": \"Fortinet FortiOS\", \"versions\": [{\"status\": \"affected\", \"version\": \"6.2.1\"}, {\"status\": \"affected\", \"version\": \"6.2.0\"}, {\"status\": \"affected\", \"version\": \"6.0.8 and below\"}]}], \"references\": [{\"url\": \"https://fortiguard.com/psirt/FG-IR-19-186\", \"tags\": [\"x_refsource_MISC\"]}], \"descriptions\": [{\"lang\": \"en\", \"value\": \"An Insufficient Entropy in PRNG vulnerability in Fortinet FortiOS 6.2.1, 6.2.0, 6.0.8 and below for device not enable hardware TRNG token and models not support builtin TRNG seed allows attacker to theoretically recover the long term ECDSA secret in a TLS client with a RSA handshake and mutual ECDSA authentication via the help of flush+reload side channel attacks in FortiGate VM models only.\"}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"text\", \"description\": \"Information disclosure\"}]}], \"providerMetadata\": {\"orgId\": \"6abe59d8-c742-4dff-8ce8-9b0ca1073da8\", \"shortName\": \"fortinet\", \"dateUpdated\": \"2020-03-30T19:12:50\"}, \"x_legacyV4Record\": {\"affects\": {\"vendor\": {\"vendor_data\": [{\"product\": {\"product_data\": [{\"version\": {\"version_data\": [{\"version_value\": \"6.2.1\"}, {\"version_value\": \"6.2.0\"}, {\"version_value\": \"6.0.8 and below\"}]}, \"product_name\": \"Fortinet FortiOS\"}]}, \"vendor_name\": \"Fortinet\"}]}}, \"data_type\": \"CVE\", \"references\": {\"reference_data\": [{\"url\": \"https://fortiguard.com/psirt/FG-IR-19-186\", \"name\": \"https://fortiguard.com/psirt/FG-IR-19-186\", \"refsource\": \"MISC\"}]}, \"data_format\": \"MITRE\", \"description\": {\"description_data\": [{\"lang\": \"eng\", \"value\": \"An Insufficient Entropy in PRNG vulnerability in Fortinet FortiOS 6.2.1, 6.2.0, 6.0.8 and below for device not enable hardware TRNG token and models not support builtin TRNG seed allows attacker to theoretically recover the long term ECDSA secret in a TLS client with a RSA handshake and mutual ECDSA authentication via the help of flush+reload side channel attacks in FortiGate VM models only.\"}]}, \"problemtype\": {\"problemtype_data\": [{\"description\": [{\"lang\": \"eng\", \"value\": \"Information disclosure\"}]}]}, \"data_version\": \"4.0\", \"CVE_data_meta\": {\"ID\": \"CVE-2019-15703\", \"STATE\": \"PUBLIC\", \"ASSIGNER\": \"psirt@fortinet.com\"}}}}",
         cveMetadata: "{\"cveId\": \"CVE-2019-15703\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2024-10-25T14:28:18.828Z\", \"dateReserved\": \"2019-08-27T00:00:00\", \"assignerOrgId\": \"6abe59d8-c742-4dff-8ce8-9b0ca1073da8\", \"datePublished\": \"2019-10-24T13:53:17\", \"assignerShortName\": \"fortinet\"}",
         dataType: "CVE_RECORD",
         dataVersion: "5.1",
      },
   },
}


Log in or create an account to share your comment.

Security Advisory comment format.

This schema specifies the format of a comment related to a security advisory.

UUIDv4 of the comment
UUIDv4 of the Vulnerability-Lookup instance
When the comment was created originally
When the comment was last updated
Title of the comment
Description of the comment
The identifier of the vulnerability (CVE ID, GHSA-ID, PYSEC ID, etc.).



Tags
Taxonomy of the tags.


Loading…

Loading…

Loading…

Sightings

Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
  • Confirmed: The vulnerability is confirmed from an analyst perspective.
  • Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
  • Patched: This vulnerability was successfully patched by the user reporting the sighting.
  • Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
  • Not confirmed: The user expresses doubt about the veracity of the vulnerability.
  • Not patched: This vulnerability was not successfully patched by the user reporting the sighting.