CVE-2019-14853

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{"affected": [{"affectedData": [{"product": "python-ecdsa", "vendor": "[UNKNOWN]", "versions": [{"status": "affected", "version": "0.13.3"}]}], "source": "secalert@redhat.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:python-ecdsa_project:python-ecdsa:*:*:*:*:*:*:*:*", "matchCriteriaId": "F7B0A174-35C3-4CBC-95FD-1359971CAE7E", "versionEndExcluding": "0.13.3", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "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."}], "id": "CVE-2019-14853", "lastModified": "2026-06-17T02:19:10.320", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"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, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV30": [{"cvssData": {"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"}, "exploitabilityScore": 2.2, "impactScore": 1.4, "source": "secalert@redhat.com", "type": "Secondary"}], "cvssMetricV31": [{"cvssData": {"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, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2019-11-26T13:15:10.537", "references": [{"source": "secalert@redhat.com", "tags": ["Issue Tracking", "Third Party Advisory"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-14853"}, {"source": "secalert@redhat.com", "tags": ["Release Notes"], "url": "https://github.com/warner/python-ecdsa/releases/tag/python-ecdsa-0.13.3"}, {"source": "secalert@redhat.com", "url": "https://seclists.org/bugtraq/2019/Dec/33"}, {"source": "secalert@redhat.com", "url": "https://www.debian.org/security/2019/dsa-4588"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Issue Tracking", "Third Party Advisory"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-14853"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Release Notes"], "url": "https://github.com/warner/python-ecdsa/releases/tag/python-ecdsa-0.13.3"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://seclists.org/bugtraq/2019/Dec/33"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://www.debian.org/security/2019/dsa-4588"}], "sourceIdentifier": "secalert@redhat.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-391"}], "source": "secalert@redhat.com", "type": "Secondary"}, {"description": [{"lang": "en", "value": "CWE-755"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"affected_release": [{"advisory": "RHSA-2021:4702", "cpe": "cpe:/a:redhat:satellite:6.10::el7", "package": "python-ecdsa-0:0.13.3-2.el7pc", "product_name": "Red Hat Satellite 6.10 for RHEL 7", "release_date": "2021-11-16T00:00:00Z"}, {"advisory": "RHSA-2021:4702", "cpe": "cpe:/a:redhat:satellite_capsule:6.10::el7", "package": "python-ecdsa-0:0.13.3-2.el7pc", "product_name": "Red Hat Satellite 6.10 for RHEL 7", "release_date": "2021-11-16T00:00:00Z"}], "bugzilla": {"description": "python-ecdsa: Unexpected and undocumented exceptions during signature decoding", "id": "1758704", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1758704"}, "csaw": false, "cvss3": {"cvss3_base_score": "3.7", "cvss3_scoring_vector": "CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L", "status": "verified"}, "cwe": "CWE-391", "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.", "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."], "name": "CVE-2019-14853", "package_state": [{"cpe": "cpe:/a:redhat:cloudforms_managementengine:5", "fix_state": "Not affected", "package_name": "python-ecdsa", "product_name": "CloudForms Management Engine 5"}, {"cpe": "cpe:/a:redhat:ceph_storage:2", "fix_state": "Affected", "package_name": "python-ecdsa", "product_name": "Red Hat Ceph Storage 2"}, {"cpe": "cpe:/a:redhat:openstack:10", "fix_state": "Will not fix", "package_name": "python-ecdsa", "product_name": "Red Hat OpenStack Platform 10 (Newton)"}, {"cpe": "cpe:/a:redhat:openstack:13", "fix_state": "Will not fix", "package_name": "python-ecdsa", "product_name": "Red Hat OpenStack Platform 13 (Queens)"}, {"cpe": "cpe:/a:redhat:openstack:14", "fix_state": "Will not fix", "package_name": "python-ecdsa", "product_name": "Red Hat OpenStack Platform 14 (Rocky)"}, {"cpe": "cpe:/a:redhat:openstack:15", "fix_state": "Will not fix", "package_name": "python-ecdsa", "product_name": "Red Hat OpenStack Platform 15 (Stein)"}, {"cpe": "cpe:/a:redhat:storage:3", "fix_state": "Affected", "package_name": "python-ecdsa", "product_name": "Red Hat Storage 3"}, {"cpe": "cpe:/o:redhat:rhev_hypervisor:4", "fix_state": "Will not fix", "package_name": "python-ecdsa", "product_name": "Red Hat Virtualization 4"}], "public_date": "2019-09-26T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2019-14853\nhttps://nvd.nist.gov/vuln/detail/CVE-2019-14853\nhttps://github.com/advisories/GHSA-pwfw-mgfj-7g3g"], "statement": "Although Red Hat OpenStack Platform ships the flawed code, RHOSP does not actually use python-ecdsa's functionality. As such, Red Hat OpenStack Platform will not be providing a fix for python-ecdsa at this time.\nCurrent releases of Red Hat Virtualization Manager no longer includes python-ecdsa as a dependency. While it remains available in repositories as a legacy dependency, it is not installed by default and its use is not recommended.", "threat_severity": "Low"}

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