GSD-2019-14853

Vulnerability from gsd - Updated: 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
CVE-2019-14853
To clipboard 

{
  "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"
    }
  },
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        "ID": "CVE-2019-14853",
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      "affects": {
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          "vendor_data": [
            {
              "product": {
                "product_data": [
                  {
                    "product_name": "python-ecdsa",
                    "version": {
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                        {
                          "version_value": "0.13.3"
                        }
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          {
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            "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": "\u003c0.13.3",
          "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"
        }
      ]
    },
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                "cpe_name": [],
                "versionEndExcluding": "0.13.3",
                "vulnerable": true
              }
            ],
            "operator": "OR"
          }
        ]
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            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
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              "description": [
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          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://github.com/warner/python-ecdsa/releases/tag/python-ecdsa-0.13.3",
              "refsource": "MISC",
              "tags": [
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              ],
              "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",
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            },
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              "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": 5.0,
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P",
            "version": "2.0"
          },
          "exploitabilityScore": 10.0,
          "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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