gsd-2019-14853
Vulnerability from gsd
Modified
2023-12-13 01:23
Details
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.
Aliases
Aliases



{
   GSD: {
      alias: "CVE-2019-14853",
      description: "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.",
      id: "GSD-2019-14853",
      references: [
         "https://www.suse.com/security/cve/CVE-2019-14853.html",
         "https://www.debian.org/security/2019/dsa-4588",
         "https://access.redhat.com/errata/RHSA-2021:4702",
         "https://ubuntu.com/security/CVE-2019-14853",
         "https://advisories.mageia.org/CVE-2019-14853.html",
      ],
   },
   gsd: {
      metadata: {
         exploitCode: "unknown",
         remediation: "unknown",
         reportConfidence: "confirmed",
         type: "vulnerability",
      },
      osvSchema: {
         aliases: [
            "CVE-2019-14853",
         ],
         details: "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.",
         id: "GSD-2019-14853",
         modified: "2023-12-13T01:23:52.989389Z",
         schema_version: "1.4.0",
      },
   },
   namespaces: {
      "cve.org": {
         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",
               },
            ],
         },
      },
      "gitlab.com": {
         advisories: [
            {
               affected_range: "<0.13.3",
               affected_versions: "All versions before 0.13.3",
               cvss_v2: "AV:N/AC:L/Au:N/C:N/I:N/A:P",
               cvss_v3: "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
               cwe_ids: [
                  "CWE-1035",
                  "CWE-755",
                  "CWE-937",
               ],
               date: "2019-12-17",
               description: "An error-handling flaw was found in python-ecdsa. During signature decoding, malformed DER signatures could raise unexpected exceptions (or no exceptions at all), which could lead to a denial of service.",
               fixed_versions: [
                  "0.13.3",
               ],
               identifier: "CVE-2019-14853",
               identifiers: [
                  "CVE-2019-14853",
               ],
               not_impacted: "All versions starting from 0.13.3",
               package_slug: "pypi/ecdsa",
               pubdate: "2019-11-26",
               solution: "Upgrade to version 0.13.3 or above.",
               title: "Improper Handling of Exceptional Conditions",
               urls: [
                  "https://nvd.nist.gov/vuln/detail/CVE-2019-14853",
                  "https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-14853",
               ],
               uuid: "f7faebe0-69e7-40eb-b10d-5cfc45c78361",
            },
         ],
      },
      "nvd.nist.gov": {
         configurations: {
            CVE_data_version: "4.0",
            nodes: [
               {
                  children: [],
                  cpe_match: [
                     {
                        cpe23Uri: "cpe:2.3:a:python-ecdsa_project:python-ecdsa:*:*:*:*:*:*:*:*",
                        cpe_name: [],
                        versionEndExcluding: "0.13.3",
                        vulnerable: true,
                     },
                  ],
                  operator: "OR",
               },
            ],
         },
         cve: {
            CVE_data_meta: {
               ASSIGNER: "secalert@redhat.com",
               ID: "CVE-2019-14853",
            },
            data_format: "MITRE",
            data_type: "CVE",
            data_version: "4.0",
            description: {
               description_data: [
                  {
                     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.",
                  },
               ],
            },
            problemtype: {
               problemtype_data: [
                  {
                     description: [
                        {
                           lang: "en",
                           value: "CWE-755",
                        },
                     ],
                  },
               ],
            },
            references: {
               reference_data: [
                  {
                     name: "https://github.com/warner/python-ecdsa/releases/tag/python-ecdsa-0.13.3",
                     refsource: "MISC",
                     tags: [
                        "Release Notes",
                     ],
                     url: "https://github.com/warner/python-ecdsa/releases/tag/python-ecdsa-0.13.3",
                  },
                  {
                     name: "https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-14853",
                     refsource: "CONFIRM",
                     tags: [
                        "Issue Tracking",
                        "Third Party Advisory",
                     ],
                     url: "https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-14853",
                  },
                  {
                     name: "DSA-4588",
                     refsource: "DEBIAN",
                     tags: [],
                     url: "https://www.debian.org/security/2019/dsa-4588",
                  },
                  {
                     name: "20191218 [SECURITY] [DSA 4588-1] python-ecdsa security update",
                     refsource: "BUGTRAQ",
                     tags: [],
                     url: "https://seclists.org/bugtraq/2019/Dec/33",
                  },
               ],
            },
         },
         impact: {
            baseMetricV2: {
               acInsufInfo: false,
               cvssV2: {
                  accessComplexity: "LOW",
                  accessVector: "NETWORK",
                  authentication: "NONE",
                  availabilityImpact: "PARTIAL",
                  baseScore: 5,
                  confidentialityImpact: "NONE",
                  integrityImpact: "NONE",
                  vectorString: "AV:N/AC:L/Au:N/C:N/I:N/A:P",
                  version: "2.0",
               },
               exploitabilityScore: 10,
               impactScore: 2.9,
               obtainAllPrivilege: false,
               obtainOtherPrivilege: false,
               obtainUserPrivilege: false,
               severity: "MEDIUM",
               userInteractionRequired: false,
            },
            baseMetricV3: {
               cvssV3: {
                  attackComplexity: "LOW",
                  attackVector: "NETWORK",
                  availabilityImpact: "HIGH",
                  baseScore: 7.5,
                  baseSeverity: "HIGH",
                  confidentialityImpact: "NONE",
                  integrityImpact: "NONE",
                  privilegesRequired: "NONE",
                  scope: "UNCHANGED",
                  userInteraction: "NONE",
                  vectorString: "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
                  version: "3.1",
               },
               exploitabilityScore: 3.9,
               impactScore: 3.6,
            },
         },
         lastModifiedDate: "2019-12-17T23:15Z",
         publishedDate: "2019-11-26T13:15Z",
      },
   },
}


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