CVE-2020-15163

{"containers": {"cna": {"affected": [{"product": "tuf", "vendor": "theupdateframework", "versions": [{"status": "affected", "version": "< 0.12"}]}], "descriptions": [{"lang": "en", "value": "Python TUF (The Update Framework) reference implementation before version 0.12 it will incorrectly trust a previously downloaded root metadata file which failed verification at download time. This allows an attacker who is able to serve multiple new versions of root metadata (i.e. by a person-in-the-middle attack) culminating in a version which has not been correctly signed to control the trust chain for future updates. This is fixed in version 0.12 and newer."}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 8.7, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "CHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N", "version": "3.1"}}], "problemTypes": [{"descriptions": [{"cweId": "CWE-863", "description": "CWE-863: Incorrect Authorization", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"dateUpdated": "2020-09-09T17:30:19.000Z", "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M"}, "references": [{"tags": ["x_refsource_CONFIRM"], "url": "https://github.com/theupdateframework/tuf/security/advisories/GHSA-f8mr-jv2c-v8mg"}, {"tags": ["x_refsource_MISC"], "url": "https://github.com/theupdateframework/tuf/pull/885"}, {"tags": ["x_refsource_MISC"], "url": "https://github.com/theupdateframework/tuf/releases/tag/v0.12.0"}, {"tags": ["x_refsource_MISC"], "url": "https://pypi.org/project/tuf"}, {"tags": ["x_refsource_CONFIRM"], "url": "https://github.com/theupdateframework/tuf/commit/3d342e648fbacdf43a13d7ba8886aaaf07334af7"}], "source": {"advisory": "GHSA-f8mr-jv2c-v8mg", "discovery": "UNKNOWN"}, "title": "Invalid root may become trusted root in The Update Framework (TUF)", "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "security-advisories@github.com", "ID": "CVE-2020-15163", "STATE": "PUBLIC", "TITLE": "Invalid root may become trusted root in The Update Framework (TUF)"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "tuf", "version": {"version_data": [{"version_value": "< 0.12"}]}}]}, "vendor_name": "theupdateframework"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "Python TUF (The Update Framework) reference implementation before version 0.12 it will incorrectly trust a previously downloaded root metadata file which failed verification at download time. This allows an attacker who is able to serve multiple new versions of root metadata (i.e. by a person-in-the-middle attack) culminating in a version which has not been correctly signed to control the trust chain for future updates. This is fixed in version 0.12 and newer."}]}, "impact": {"cvss": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 8.7, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "CHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N", "version": "3.1"}}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "CWE-863: Incorrect Authorization"}]}]}, "references": {"reference_data": [{"name": "https://github.com/theupdateframework/tuf/security/advisories/GHSA-f8mr-jv2c-v8mg", "refsource": "CONFIRM", "url": "https://github.com/theupdateframework/tuf/security/advisories/GHSA-f8mr-jv2c-v8mg"}, {"name": "https://github.com/theupdateframework/tuf/pull/885", "refsource": "MISC", "url": "https://github.com/theupdateframework/tuf/pull/885"}, {"name": "https://github.com/theupdateframework/tuf/releases/tag/v0.12.0", "refsource": "MISC", "url": "https://github.com/theupdateframework/tuf/releases/tag/v0.12.0"}, {"name": "https://pypi.org/project/tuf", "refsource": "MISC", "url": "https://pypi.org/project/tuf"}, {"name": "https://github.com/theupdateframework/tuf/commit/3d342e648fbacdf43a13d7ba8886aaaf07334af7", "refsource": "CONFIRM", "url": "https://github.com/theupdateframework/tuf/commit/3d342e648fbacdf43a13d7ba8886aaaf07334af7"}]}, "source": {"advisory": "GHSA-f8mr-jv2c-v8mg", "discovery": "UNKNOWN"}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T13:08:22.456Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "https://github.com/theupdateframework/tuf/security/advisories/GHSA-f8mr-jv2c-v8mg"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://github.com/theupdateframework/tuf/pull/885"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://github.com/theupdateframework/tuf/releases/tag/v0.12.0"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://pypi.org/project/tuf"}, {"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "https://github.com/theupdateframework/tuf/commit/3d342e648fbacdf43a13d7ba8886aaaf07334af7"}]}]}, "cveMetadata": {"assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "assignerShortName": "GitHub_M", "cveId": "CVE-2020-15163", "datePublished": "2020-09-09T17:30:19.000Z", "dateReserved": "2020-06-25T00:00:00.000Z", "dateUpdated": "2024-08-04T13:08:22.456Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

{}

{"affected": [{"affectedData": [{"product": "tuf", "vendor": "theupdateframework", "versions": [{"status": "affected", "version": "< 0.12"}]}], "source": "security-advisories@github.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:linuxfoundation:the_update_framework:*:*:*:*:*:*:*:*", "matchCriteriaId": "1C553983-7EF8-4874-8793-2526811AA72F", "versionEndExcluding": "0.12.0", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Python TUF (The Update Framework) reference implementation before version 0.12 it will incorrectly trust a previously downloaded root metadata file which failed verification at download time. This allows an attacker who is able to serve multiple new versions of root metadata (i.e. by a person-in-the-middle attack) culminating in a version which has not been correctly signed to control the trust chain for future updates. This is fixed in version 0.12 and newer."}, {"lang": "es", "value": "Una implementaci\u00f3n de referencia de Python TUF (The Update Framework) anterior a la versi\u00f3n 0.12, confiar\u00e1 incorrectamente en un archivo de metadatos root descargado previamente que present\u00f3 un fallo al verificar en el momento de la descarga. Esto permite a un atacante que es capaz servir m\u00faltiples versiones nuevas de metadatos root (es decir, mediante un ataque de tipo person-in-the-middle) culminar en una versi\u00f3n que no ha sido firmada correctamente para controlar la cadena de confianza de futuras actualizaciones. Esto es corregido en la versi\u00f3n 0.12 y mas recientes."}], "id": "CVE-2020-15163", "lastModified": "2026-06-17T02:56:10.557", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "MEDIUM", "accessVector": "NETWORK", "authentication": "SINGLE", "availabilityImpact": "NONE", "baseScore": 4.9, "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:M/Au:S/C:P/I:P/A:N", "version": "2.0"}, "exploitabilityScore": 6.8, "impactScore": 4.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 8.7, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "CHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N", "version": "3.1"}, "exploitabilityScore": 2.3, "impactScore": 5.8, "source": "security-advisories@github.com", "type": "Secondary"}, {"cvssData": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 8.2, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:N", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 5.8, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2020-09-09T18:15:22.480", "references": [{"source": "security-advisories@github.com", "tags": ["Broken Link"], "url": "https://github.com/theupdateframework/tuf/commit/3d342e648fbacdf43a13d7ba8886aaaf07334af7"}, {"source": "security-advisories@github.com", "tags": ["Patch", "Third Party Advisory"], "url": "https://github.com/theupdateframework/tuf/pull/885"}, {"source": "security-advisories@github.com", "tags": ["Third Party Advisory"], "url": "https://github.com/theupdateframework/tuf/releases/tag/v0.12.0"}, {"source": "security-advisories@github.com", "tags": ["Third Party Advisory"], "url": "https://github.com/theupdateframework/tuf/security/advisories/GHSA-f8mr-jv2c-v8mg"}, {"source": "security-advisories@github.com", "tags": ["Product", "Vendor Advisory"], "url": "https://pypi.org/project/tuf"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Broken Link"], "url": "https://github.com/theupdateframework/tuf/commit/3d342e648fbacdf43a13d7ba8886aaaf07334af7"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Third Party Advisory"], "url": "https://github.com/theupdateframework/tuf/pull/885"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://github.com/theupdateframework/tuf/releases/tag/v0.12.0"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://github.com/theupdateframework/tuf/security/advisories/GHSA-f8mr-jv2c-v8mg"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Product", "Vendor Advisory"], "url": "https://pypi.org/project/tuf"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-863"}], "source": "security-advisories@github.com", "type": "Secondary"}, {"description": [{"lang": "en", "value": "CWE-345"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{}

{}