cve-2019-14853
Vulnerability from cvelistv5
Published
2019-11-26 12:06
Modified
2024-08-05 00:26
Severity
Summary
An error-handling flaw was found in python-ecdsa before version 0.13.3. During signature decoding, malformed DER signatures could raise unexpected exceptions (or no exceptions at all), which could lead to a denial of service.
Impacted products
VendorProduct
[UNKNOWN]python-ecdsa
Show details on NVD website


{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-05T00:26:39.175Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-14853"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://github.com/warner/python-ecdsa/releases/tag/python-ecdsa-0.13.3"
          },
          {
            "name": "DSA-4588",
            "tags": [
              "vendor-advisory",
              "x_refsource_DEBIAN",
              "x_transferred"
            ],
            "url": "https://www.debian.org/security/2019/dsa-4588"
          },
          {
            "name": "20191218 [SECURITY] [DSA 4588-1] python-ecdsa security update",
            "tags": [
              "mailing-list",
              "x_refsource_BUGTRAQ",
              "x_transferred"
            ],
            "url": "https://seclists.org/bugtraq/2019/Dec/33"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "python-ecdsa",
          "vendor": "[UNKNOWN]",
          "versions": [
            {
              "status": "affected",
              "version": "0.13.3"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "An error-handling flaw was found in python-ecdsa before version 0.13.3. During signature decoding, malformed DER signatures could raise unexpected exceptions (or no exceptions at all), which could lead to a denial of service."
        }
      ],
      "metrics": [
        {
          "cvssV3_0": {
            "attackComplexity": "HIGH",
            "attackVector": "NETWORK",
            "availabilityImpact": "LOW",
            "baseScore": 3.7,
            "baseSeverity": "LOW",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L",
            "version": "3.0"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-391",
              "description": "CWE-391",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2019-12-18T12:06:05",
        "orgId": "53f830b8-0a3f-465b-8143-3b8a9948e749",
        "shortName": "redhat"
      },
      "references": [
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-14853"
        },
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/warner/python-ecdsa/releases/tag/python-ecdsa-0.13.3"
        },
        {
          "name": "DSA-4588",
          "tags": [
            "vendor-advisory",
            "x_refsource_DEBIAN"
          ],
          "url": "https://www.debian.org/security/2019/dsa-4588"
        },
        {
          "name": "20191218 [SECURITY] [DSA 4588-1] python-ecdsa security update",
          "tags": [
            "mailing-list",
            "x_refsource_BUGTRAQ"
          ],
          "url": "https://seclists.org/bugtraq/2019/Dec/33"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "secalert@redhat.com",
          "ID": "CVE-2019-14853",
          "STATE": "PUBLIC"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "python-ecdsa",
                      "version": {
                        "version_data": [
                          {
                            "version_value": "0.13.3"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "[UNKNOWN]"
              }
            ]
          }
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "eng",
              "value": "An error-handling flaw was found in python-ecdsa before version 0.13.3. During signature decoding, malformed DER signatures could raise unexpected exceptions (or no exceptions at all), which could lead to a denial of service."
            }
          ]
        },
        "impact": {
          "cvss": [
            [
              {
                "vectorString": "3.7/CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L",
                "version": "3.0"
              }
            ]
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "CWE-391"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-14853",
              "refsource": "CONFIRM",
              "url": "https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-14853"
            },
            {
              "name": "https://github.com/warner/python-ecdsa/releases/tag/python-ecdsa-0.13.3",
              "refsource": "MISC",
              "url": "https://github.com/warner/python-ecdsa/releases/tag/python-ecdsa-0.13.3"
            },
            {
              "name": "DSA-4588",
              "refsource": "DEBIAN",
              "url": "https://www.debian.org/security/2019/dsa-4588"
            },
            {
              "name": "20191218 [SECURITY] [DSA 4588-1] python-ecdsa security update",
              "refsource": "BUGTRAQ",
              "url": "https://seclists.org/bugtraq/2019/Dec/33"
            }
          ]
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749",
    "assignerShortName": "redhat",
    "cveId": "CVE-2019-14853",
    "datePublished": "2019-11-26T12:06:20",
    "dateReserved": "2019-08-10T00:00:00",
    "dateUpdated": "2024-08-05T00:26:39.175Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2019-14853\",\"sourceIdentifier\":\"secalert@redhat.com\",\"published\":\"2019-11-26T13:15:10.537\",\"lastModified\":\"2019-12-17T23:15:14.503\",\"vulnStatus\":\"Modified\",\"descriptions\":[{\"lang\":\"en\",\"value\":\"An error-handling flaw was found in python-ecdsa before version 0.13.3. During signature decoding, malformed DER signatures could raise unexpected exceptions (or no exceptions at all), which could lead to a denial of service.\"},{\"lang\":\"es\",\"value\":\"Se encontr\u00f3 un error de manejo de errores en python-ecdsa anterior  de la versi\u00f3n 0.13.3. Durante la decodificaci\u00f3n de firmas, las firmas DER mal formadas pueden generar excepciones inesperadas (o ninguna excepci\u00f3n), lo que podr\u00eda conducir a una denegaci\u00f3n de servicio.\"}],\"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:N/I:N/A:H\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"HIGH\",\"baseScore\":7.5,\"baseSeverity\":\"HIGH\"},\"exploitabilityScore\":3.9,\"impactScore\":3.6}],\"cvssMetricV30\":[{\"source\":\"secalert@redhat.com\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.0\",\"vectorString\":\"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"HIGH\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"LOW\",\"baseScore\":3.7,\"baseSeverity\":\"LOW\"},\"exploitabilityScore\":2.2,\"impactScore\":1.4}],\"cvssMetricV2\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"2.0\",\"vectorString\":\"AV:N/AC:L/Au:N/C:N/I:N/A:P\",\"accessVector\":\"NETWORK\",\"accessComplexity\":\"LOW\",\"authentication\":\"NONE\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"PARTIAL\",\"baseScore\":5.0},\"baseSeverity\":\"MEDIUM\",\"exploitabilityScore\":10.0,\"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-755\"}]},{\"source\":\"secalert@redhat.com\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-391\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:python-ecdsa_project:python-ecdsa:*:*:*:*:*:*:*:*\",\"versionEndExcluding\":\"0.13.3\",\"matchCriteriaId\":\"F7B0A174-35C3-4CBC-95FD-1359971CAE7E\"}]}]}],\"references\":[{\"url\":\"https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-14853\",\"source\":\"secalert@redhat.com\",\"tags\":[\"Issue Tracking\",\"Third Party Advisory\"]},{\"url\":\"https://github.com/warner/python-ecdsa/releases/tag/python-ecdsa-0.13.3\",\"source\":\"secalert@redhat.com\",\"tags\":[\"Release Notes\"]},{\"url\":\"https://seclists.org/bugtraq/2019/Dec/33\",\"source\":\"secalert@redhat.com\"},{\"url\":\"https://www.debian.org/security/2019/dsa-4588\",\"source\":\"secalert@redhat.com\"}]}}"
  }
}


Log in or create an account to share your comment.




Tags
Taxonomy of the tags.


Loading...

Loading...