cve-2020-0601
Vulnerability from cvelistv5
Published
2020-01-14 23:11
Modified
2024-08-04 06:11
Severity ?
Summary
A spoofing vulnerability exists in the way Windows CryptoAPI (Crypt32.dll) validates Elliptic Curve Cryptography (ECC) certificates.An attacker could exploit the vulnerability by using a spoofed code-signing certificate to sign a malicious executable, making it appear the file was from a trusted, legitimate source, aka 'Windows CryptoAPI Spoofing Vulnerability'.
CISA Known exploited vulnerability
Data from the Known Exploited Vulnerabilities Catalog

Date added: 2021-11-03

Due date: 2020-01-29

Required action: Apply updates per vendor instructions.

Used in ransomware: Unknown

Notes: Reference CISA's ED 20-02 (https://www.cisa.gov/news-events/directives/ed-20-02-mitigate-windows-vulnerabilities-january-2020-patch-tuesday) for further guidance and requirements. Note: The due date for addressing this vulnerability aligns with the requirements outlined in ED 20-02. https://nvd.nist.gov/vuln/detail/CVE-2020-0601

Show details on NVD website


{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-04T06:11:04.613Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-0601"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "http://packetstormsecurity.com/files/155961/CurveBall-Microsoft-Windows-CryptoAPI-Spoofing-Proof-Of-Concept.html"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "http://packetstormsecurity.com/files/155960/CurveBall-Microsoft-Windows-CryptoAPI-Spoofing-Proof-Of-Concept.html"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "Windows",
          "vendor": "Microsoft",
          "versions": [
            {
              "status": "affected",
              "version": "10 Version 1803 for 32-bit Systems"
            },
            {
              "status": "affected",
              "version": "10 Version 1803 for x64-based Systems"
            },
            {
              "status": "affected",
              "version": "10 Version 1803 for ARM64-based Systems"
            },
            {
              "status": "affected",
              "version": "10 Version 1809 for 32-bit Systems"
            },
            {
              "status": "affected",
              "version": "10 Version 1809 for x64-based Systems"
            },
            {
              "status": "affected",
              "version": "10 Version 1809 for ARM64-based Systems"
            },
            {
              "status": "affected",
              "version": "10 Version 1709 for 32-bit Systems"
            },
            {
              "status": "affected",
              "version": "10 Version 1709 for x64-based Systems"
            },
            {
              "status": "affected",
              "version": "10 Version 1709 for ARM64-based Systems"
            },
            {
              "status": "affected",
              "version": "10 for 32-bit Systems"
            },
            {
              "status": "affected",
              "version": "10 for x64-based Systems"
            },
            {
              "status": "affected",
              "version": "10 Version 1607 for 32-bit Systems"
            },
            {
              "status": "affected",
              "version": "10 Version 1607 for x64-based Systems"
            }
          ]
        },
        {
          "product": "Windows Server",
          "vendor": "Microsoft",
          "versions": [
            {
              "status": "affected",
              "version": "version 1803  (Core Installation)"
            },
            {
              "status": "affected",
              "version": "2019"
            },
            {
              "status": "affected",
              "version": "2019  (Core installation)"
            },
            {
              "status": "affected",
              "version": "2016"
            },
            {
              "status": "affected",
              "version": "2016  (Core installation)"
            }
          ]
        },
        {
          "product": "Windows 10 Version 1903 for 32-bit Systems",
          "vendor": "Microsoft",
          "versions": [
            {
              "status": "affected",
              "version": "unspecified"
            }
          ]
        },
        {
          "product": "Windows 10 Version 1903 for x64-based Systems",
          "vendor": "Microsoft",
          "versions": [
            {
              "status": "affected",
              "version": "unspecified"
            }
          ]
        },
        {
          "product": "Windows 10 Version 1903 for ARM64-based Systems",
          "vendor": "Microsoft",
          "versions": [
            {
              "status": "affected",
              "version": "unspecified"
            }
          ]
        },
        {
          "product": "Windows Server, version 1903 (Server Core installation)",
          "vendor": "Microsoft",
          "versions": [
            {
              "status": "affected",
              "version": "unspecified"
            }
          ]
        },
        {
          "product": "Windows 10 Version 1909 for 32-bit Systems",
          "vendor": "Microsoft",
          "versions": [
            {
              "status": "affected",
              "version": "unspecified"
            }
          ]
        },
        {
          "product": "Windows 10 Version 1909 for x64-based Systems",
          "vendor": "Microsoft",
          "versions": [
            {
              "status": "affected",
              "version": "unspecified"
            }
          ]
        },
        {
          "product": "Windows Server, version 1909 (Server Core installation)",
          "vendor": "Microsoft",
          "versions": [
            {
              "status": "affected",
              "version": "unspecified"
            }
          ]
        },
        {
          "product": "Windows 10 Version 1909 for ARM64-based Systems",
          "vendor": "Microsoft",
          "versions": [
            {
              "status": "affected",
              "version": "unspecified"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "A spoofing vulnerability exists in the way Windows CryptoAPI (Crypt32.dll) validates Elliptic Curve Cryptography (ECC) certificates.An attacker could exploit the vulnerability by using a spoofed code-signing certificate to sign a malicious executable, making it appear the file was from a trusted, legitimate source, aka \u0027Windows CryptoAPI Spoofing Vulnerability\u0027."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "Spoofing",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2020-01-16T17:06:04",
        "orgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8",
        "shortName": "microsoft"
      },
      "references": [
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-0601"
        },
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "http://packetstormsecurity.com/files/155961/CurveBall-Microsoft-Windows-CryptoAPI-Spoofing-Proof-Of-Concept.html"
        },
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "http://packetstormsecurity.com/files/155960/CurveBall-Microsoft-Windows-CryptoAPI-Spoofing-Proof-Of-Concept.html"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "secure@microsoft.com",
          "ID": "CVE-2020-0601",
          "STATE": "PUBLIC"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "Windows",
                      "version": {
                        "version_data": [
                          {
                            "version_value": "10 Version 1803 for 32-bit Systems"
                          },
                          {
                            "version_value": "10 Version 1803 for x64-based Systems"
                          },
                          {
                            "version_value": "10 Version 1803 for ARM64-based Systems"
                          },
                          {
                            "version_value": "10 Version 1809 for 32-bit Systems"
                          },
                          {
                            "version_value": "10 Version 1809 for x64-based Systems"
                          },
                          {
                            "version_value": "10 Version 1809 for ARM64-based Systems"
                          },
                          {
                            "version_value": "10 Version 1709 for 32-bit Systems"
                          },
                          {
                            "version_value": "10 Version 1709 for x64-based Systems"
                          },
                          {
                            "version_value": "10 Version 1709 for ARM64-based Systems"
                          },
                          {
                            "version_value": "10 for 32-bit Systems"
                          },
                          {
                            "version_value": "10 for x64-based Systems"
                          },
                          {
                            "version_value": "10 Version 1607 for 32-bit Systems"
                          },
                          {
                            "version_value": "10 Version 1607 for x64-based Systems"
                          }
                        ]
                      }
                    },
                    {
                      "product_name": "Windows Server",
                      "version": {
                        "version_data": [
                          {
                            "version_value": "version 1803  (Core Installation)"
                          },
                          {
                            "version_value": "2019"
                          },
                          {
                            "version_value": "2019  (Core installation)"
                          },
                          {
                            "version_value": "2016"
                          },
                          {
                            "version_value": "2016  (Core installation)"
                          }
                        ]
                      }
                    },
                    {
                      "product_name": "Windows 10 Version 1903 for 32-bit Systems",
                      "version": {
                        "version_data": [
                          {
                            "version_value": ""
                          }
                        ]
                      }
                    },
                    {
                      "product_name": "Windows 10 Version 1903 for x64-based Systems",
                      "version": {
                        "version_data": [
                          {
                            "version_value": ""
                          }
                        ]
                      }
                    },
                    {
                      "product_name": "Windows 10 Version 1903 for ARM64-based Systems",
                      "version": {
                        "version_data": [
                          {
                            "version_value": ""
                          }
                        ]
                      }
                    },
                    {
                      "product_name": "Windows Server, version 1903 (Server Core installation)",
                      "version": {
                        "version_data": [
                          {
                            "version_value": ""
                          }
                        ]
                      }
                    },
                    {
                      "product_name": "Windows 10 Version 1909 for 32-bit Systems",
                      "version": {
                        "version_data": [
                          {
                            "version_value": ""
                          }
                        ]
                      }
                    },
                    {
                      "product_name": "Windows 10 Version 1909 for x64-based Systems",
                      "version": {
                        "version_data": [
                          {
                            "version_value": ""
                          }
                        ]
                      }
                    },
                    {
                      "product_name": "Windows Server, version 1909 (Server Core installation)",
                      "version": {
                        "version_data": [
                          {
                            "version_value": ""
                          }
                        ]
                      }
                    },
                    {
                      "product_name": "Windows 10 Version 1909 for ARM64-based Systems",
                      "version": {
                        "version_data": [
                          {
                            "version_value": ""
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "Microsoft"
              }
            ]
          }
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "eng",
              "value": "A spoofing vulnerability exists in the way Windows CryptoAPI (Crypt32.dll) validates Elliptic Curve Cryptography (ECC) certificates.An attacker could exploit the vulnerability by using a spoofed code-signing certificate to sign a malicious executable, making it appear the file was from a trusted, legitimate source, aka \u0027Windows CryptoAPI Spoofing Vulnerability\u0027."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "Spoofing"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-0601",
              "refsource": "MISC",
              "url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-0601"
            },
            {
              "name": "http://packetstormsecurity.com/files/155961/CurveBall-Microsoft-Windows-CryptoAPI-Spoofing-Proof-Of-Concept.html",
              "refsource": "MISC",
              "url": "http://packetstormsecurity.com/files/155961/CurveBall-Microsoft-Windows-CryptoAPI-Spoofing-Proof-Of-Concept.html"
            },
            {
              "name": "http://packetstormsecurity.com/files/155960/CurveBall-Microsoft-Windows-CryptoAPI-Spoofing-Proof-Of-Concept.html",
              "refsource": "MISC",
              "url": "http://packetstormsecurity.com/files/155960/CurveBall-Microsoft-Windows-CryptoAPI-Spoofing-Proof-Of-Concept.html"
            }
          ]
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8",
    "assignerShortName": "microsoft",
    "cveId": "CVE-2020-0601",
    "datePublished": "2020-01-14T23:11:20",
    "dateReserved": "2019-11-04T00:00:00",
    "dateUpdated": "2024-08-04T06:11:04.613Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "meta": {
    "cisa_known_exploited": {
      "cveID": "CVE-2020-0601",
      "cwes": "[\"CWE-295\"]",
      "dateAdded": "2021-11-03",
      "dueDate": "2020-01-29",
      "knownRansomwareCampaignUse": "Unknown",
      "notes": "Reference CISA\u0027s ED 20-02 (https://www.cisa.gov/news-events/directives/ed-20-02-mitigate-windows-vulnerabilities-january-2020-patch-tuesday) for further guidance and requirements. Note: The due date for addressing this vulnerability aligns with the requirements outlined in ED 20-02. https://nvd.nist.gov/vuln/detail/CVE-2020-0601",
      "product": "Windows",
      "requiredAction": "Apply updates per vendor instructions.",
      "shortDescription": "Microsoft Windows CryptoAPI (Crypt32.dll) contains a spoofing vulnerability in the way it validates Elliptic Curve Cryptography (ECC) certificates. An attacker could exploit the vulnerability by using a spoofed code-signing certificate to sign a malicious executable, making it appear the file was from a trusted, legitimate source. A successful exploit could also allow the attacker to conduct man-in-the-middle attacks and decrypt confidential information on user connections to the affected software. The vulnerability is also known under the moniker of CurveBall.",
      "vendorProject": "Microsoft",
      "vulnerabilityName": "Microsoft Windows CryptoAPI Spoofing Vulnerability"
    },
    "nvd": "{\"cve\":{\"id\":\"CVE-2020-0601\",\"sourceIdentifier\":\"secure@microsoft.com\",\"published\":\"2020-01-14T23:15:30.207\",\"lastModified\":\"2022-08-12T18:40:31.113\",\"vulnStatus\":\"Analyzed\",\"cisaExploitAdd\":\"2021-11-03\",\"cisaActionDue\":\"2020-01-29\",\"cisaRequiredAction\":\"Apply updates per vendor instructions.\",\"cisaVulnerabilityName\":\"Microsoft Windows CryptoAPI Spoofing Vulnerability\",\"descriptions\":[{\"lang\":\"en\",\"value\":\"A spoofing vulnerability exists in the way Windows CryptoAPI (Crypt32.dll) validates Elliptic Curve Cryptography (ECC) certificates.An attacker could exploit the vulnerability by using a spoofed code-signing certificate to sign a malicious executable, making it appear the file was from a trusted, legitimate source, aka \u0027Windows CryptoAPI Spoofing Vulnerability\u0027.\"},{\"lang\":\"es\",\"value\":\"Se presenta una vulnerabilidad de suplantaci\u00f3n de identidad en la manera en que Windows CryptoAPI (Crypt32.dll) comprueba los certificados Elliptic Curve Cryptography (ECC). Un atacante podr\u00eda explotar la vulnerabilidad mediante el uso de un certificado de firma de c\u00f3digo falsificado para firmar un ejecutable malicioso, haciendo que parezca que el archivo era de una fuente confiable y leg\u00edtima, tambi\u00e9n se conoce como \\\"Windows CryptoAPI Spoofing Vulnerability\\\".\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"REQUIRED\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"NONE\",\"baseScore\":8.1,\"baseSeverity\":\"HIGH\"},\"exploitabilityScore\":2.8,\"impactScore\":5.2}],\"cvssMetricV2\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"2.0\",\"vectorString\":\"AV:N/AC:M/Au:N/C:P/I:P/A:N\",\"accessVector\":\"NETWORK\",\"accessComplexity\":\"MEDIUM\",\"authentication\":\"NONE\",\"confidentialityImpact\":\"PARTIAL\",\"integrityImpact\":\"PARTIAL\",\"availabilityImpact\":\"NONE\",\"baseScore\":5.8},\"baseSeverity\":\"MEDIUM\",\"exploitabilityScore\":8.6,\"impactScore\":4.9,\"acInsufInfo\":false,\"obtainAllPrivilege\":false,\"obtainUserPrivilege\":false,\"obtainOtherPrivilege\":false,\"userInteractionRequired\":true}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-295\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:microsoft:windows_10:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"21540673-614A-4D40-8BD7-3F07723803B0\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:microsoft:windows_10:1607:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"E01A4CCA-4C43-46E0-90E6-3E4DBFBACD64\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:microsoft:windows_10:1709:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"83B14968-3985-43C3-ACE5-8307196EFAE3\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:microsoft:windows_10:1803:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"7CB85C75-4D35-480E-843D-60579EC75FCB\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:microsoft:windows_10:1809:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"6B8F3DD2-A145-4AF1-8545-CC42892DA3D1\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:microsoft:windows_10:1903:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"3FB5CDAE-C713-4D9D-9D6A-2C2E8924A4BB\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:microsoft:windows_10:1909:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"E9273B95-20ED-4547-B0A8-95AD15B30372\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:microsoft:windows_server_2016:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"041FF8BA-0B12-4A1F-B4BF-9C4F33B7C1E7\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:microsoft:windows_server_2016:1803:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"CAACE735-003E-4ACB-A82E-C0CF97D7F013\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:microsoft:windows_server_2016:1903:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"5B921FDB-8E7D-427E-82BE-4432585080CF\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:microsoft:windows_server_2016:1909:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"C253A63F-03AB-41CB-A03A-B2674DEA98AA\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:microsoft:windows_server_2019:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"DB79EE26-FC32-417D-A49C-A1A63165A968\"}]}]},{\"operator\":\"AND\",\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:golang:go:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"1.12\",\"versionEndExcluding\":\"1.12.16\",\"matchCriteriaId\":\"CA6E96C9-FEC1-4174-AB7D-783DF8EC2097\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:golang:go:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"1.13\",\"versionEndExcluding\":\"1.13.7\",\"matchCriteriaId\":\"9C8D6C09-AF12-4600-9C21-4F7A46CC78D8\"}]},{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":false,\"criteria\":\"cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"A2572D17-1DE6-457B-99CC-64AFD54487EA\"}]}]}],\"references\":[{\"url\":\"http://packetstormsecurity.com/files/155960/CurveBall-Microsoft-Windows-CryptoAPI-Spoofing-Proof-Of-Concept.html\",\"source\":\"secure@microsoft.com\",\"tags\":[\"Third Party Advisory\",\"VDB Entry\"]},{\"url\":\"http://packetstormsecurity.com/files/155961/CurveBall-Microsoft-Windows-CryptoAPI-Spoofing-Proof-Of-Concept.html\",\"source\":\"secure@microsoft.com\",\"tags\":[\"Third Party Advisory\",\"VDB Entry\"]},{\"url\":\"https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-0601\",\"source\":\"secure@microsoft.com\",\"tags\":[\"Patch\",\"Vendor Advisory\"]}]}}"
  }
}


Log in or create an account to share your comment.




Tags
Taxonomy of the tags.


Loading...

Loading...

Loading...
  • 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.