CVE-2020-15522
Vulnerability from cvelistv5
Published
2021-05-20 11:20
Modified
2024-08-04 13:15
Severity ?
Summary
Bouncy Castle BC Java before 1.66, BC C# .NET before 1.8.7, BC-FJA before 1.0.1.2, 1.0.2.1, and BC-FNA before 1.0.1.1 have a timing issue within the EC math library that can expose information about the private key when an attacker is able to observe timing information for the generation of multiple deterministic ECDSA signatures.
References
cve@mitre.orghttps://github.com/bcgit/bc-csharp/wiki/CVE-2020-15522Third Party Advisory
cve@mitre.orghttps://github.com/bcgit/bc-java/wiki/CVE-2020-15522Third Party Advisory
cve@mitre.orghttps://security.netapp.com/advisory/ntap-20210622-0007/
cve@mitre.orghttps://www.bouncycastle.org/releasenotes.htmlRelease Notes, Vendor Advisory
Impacted products
n/an/a
Show details on NVD website

To clipboard 

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-04T13:15:20.863Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://www.bouncycastle.org/releasenotes.html"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://github.com/bcgit/bc-java/wiki/CVE-2020-15522"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://github.com/bcgit/bc-csharp/wiki/CVE-2020-15522"
          },
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://security.netapp.com/advisory/ntap-20210622-0007/"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "Bouncy Castle BC Java before 1.66, BC C# .NET before 1.8.7, BC-FJA before 1.0.1.2, 1.0.2.1, and BC-FNA before 1.0.1.1 have a timing issue within the EC math library that can expose information about the private key when an attacker is able to observe timing information for the generation of multiple deterministic ECDSA signatures."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "n/a",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2021-06-22T08:06:30",
        "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
        "shortName": "mitre"
      },
      "references": [
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://www.bouncycastle.org/releasenotes.html"
        },
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/bcgit/bc-java/wiki/CVE-2020-15522"
        },
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/bcgit/bc-csharp/wiki/CVE-2020-15522"
        },
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://security.netapp.com/advisory/ntap-20210622-0007/"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "cve@mitre.org",
          "ID": "CVE-2020-15522",
          "STATE": "PUBLIC"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "n/a",
                      "version": {
                        "version_data": [
                          {
                            "version_value": "n/a"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "n/a"
              }
            ]
          }
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "eng",
              "value": "Bouncy Castle BC Java before 1.66, BC C# .NET before 1.8.7, BC-FJA before 1.0.1.2, 1.0.2.1, and BC-FNA before 1.0.1.1 have a timing issue within the EC math library that can expose information about the private key when an attacker is able to observe timing information for the generation of multiple deterministic ECDSA signatures."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "n/a"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://www.bouncycastle.org/releasenotes.html",
              "refsource": "MISC",
              "url": "https://www.bouncycastle.org/releasenotes.html"
            },
            {
              "name": "https://github.com/bcgit/bc-java/wiki/CVE-2020-15522",
              "refsource": "MISC",
              "url": "https://github.com/bcgit/bc-java/wiki/CVE-2020-15522"
            },
            {
              "name": "https://github.com/bcgit/bc-csharp/wiki/CVE-2020-15522",
              "refsource": "MISC",
              "url": "https://github.com/bcgit/bc-csharp/wiki/CVE-2020-15522"
            },
            {
              "name": "https://security.netapp.com/advisory/ntap-20210622-0007/",
              "refsource": "CONFIRM",
              "url": "https://security.netapp.com/advisory/ntap-20210622-0007/"
            }
          ]
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
    "assignerShortName": "mitre",
    "cveId": "CVE-2020-15522",
    "datePublished": "2021-05-20T11:20:18",
    "dateReserved": "2020-07-04T00:00:00",
    "dateUpdated": "2024-08-04T13:15:20.863Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2020-15522\",\"sourceIdentifier\":\"cve@mitre.org\",\"published\":\"2021-05-20T12:15:08.003\",\"lastModified\":\"2021-06-22T09:15:11.800\",\"vulnStatus\":\"Modified\",\"descriptions\":[{\"lang\":\"en\",\"value\":\"Bouncy Castle BC Java before 1.66, BC C# .NET before 1.8.7, BC-FJA before 1.0.1.2, 1.0.2.1, and BC-FNA before 1.0.1.1 have a timing issue within the EC math library that can expose information about the private key when an attacker is able to observe timing information for the generation of multiple deterministic ECDSA signatures.\"},{\"lang\":\"es\",\"value\":\"Bouncy Castle BC Java versiones anteriores a 1.66, BC C # .NET versiones anteriores a 1.8.7, BC-FJA versiones anteriores a 1.0.1.2, 1.0.2.1 y BC-FNA versiones anteriores a 1.0.1.1, presentan un problema de sincronizaci\u00f3n dentro de la biblioteca EC math que puede exponer informaci\u00f3n sobre la clave privada cuando un atacante es capaz de  observar informaci\u00f3n de sincronizaci\u00f3n para la generaci\u00f3n de m\u00faltiples firmas ECDSA deterministas\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"HIGH\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"NONE\",\"baseScore\":5.9,\"baseSeverity\":\"MEDIUM\"},\"exploitabilityScore\":2.2,\"impactScore\":3.6}],\"cvssMetricV2\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"2.0\",\"vectorString\":\"AV:N/AC:M/Au:N/C:P/I:N/A:N\",\"accessVector\":\"NETWORK\",\"accessComplexity\":\"MEDIUM\",\"authentication\":\"NONE\",\"confidentialityImpact\":\"PARTIAL\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"NONE\",\"baseScore\":4.3},\"baseSeverity\":\"MEDIUM\",\"exploitabilityScore\":8.6,\"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-362\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:bouncycastle:bc-csharp:*:*:*:*:*:*:*:*\",\"versionEndExcluding\":\"1.8.7\",\"matchCriteriaId\":\"E617E18C-5957-450B-A6F2-F3A5E8202D3F\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:bouncycastle:bouncy_castle_fips_.net_api:*:*:*:*:*:*:*:*\",\"versionEndExcluding\":\"1.0.1.1\",\"matchCriteriaId\":\"4A4C68F3-451F-46C7-932A-1D04828CB87B\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:bouncycastle:legion-of-the-bouncy-castle-fips-java-api:*:*:*:*:*:*:*:*\",\"versionEndExcluding\":\"1.0.1.2\",\"matchCriteriaId\":\"51B90541-F4AC-43FF-A8F7-61012EB03377\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:bouncycastle:legion-of-the-bouncy-castle-fips-java-api:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"1.0.2\",\"versionEndExcluding\":\"1.0.2.1\",\"matchCriteriaId\":\"2B951DBC-3F6D-4BA1-81C1-98852EF32760\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:bouncycastle:the_bouncy_castle_crypto_package_for_java:*:*:*:*:*:*:*:*\",\"versionEndExcluding\":\"1.66\",\"matchCriteriaId\":\"A7D7F6F7-8F74-41E0-9AFA-2FB26773DF69\"}]}]}],\"references\":[{\"url\":\"https://github.com/bcgit/bc-csharp/wiki/CVE-2020-15522\",\"source\":\"cve@mitre.org\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://github.com/bcgit/bc-java/wiki/CVE-2020-15522\",\"source\":\"cve@mitre.org\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://security.netapp.com/advisory/ntap-20210622-0007/\",\"source\":\"cve@mitre.org\"},{\"url\":\"https://www.bouncycastle.org/releasenotes.html\",\"source\":\"cve@mitre.org\",\"tags\":[\"Release Notes\",\"Vendor Advisory\"]}]}}"
  }
}


Log in or create an account to share your comment.




Tags
Taxonomy of the tags.




  • 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.