CVE-2019-15796

{"id": "CVE-2019-15796", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 2.6, "accessVector": "NETWORK", "vectorString": "AV:N/AC:H/Au:N/C:N/I:P/A:N", "authentication": "NONE", "integrityImpact": "PARTIAL", "accessComplexity": "HIGH", "availabilityImpact": "NONE", "confidentialityImpact": "NONE"}, "acInsufInfo": false, "impactScore": 2.9, "baseSeverity": "LOW", "obtainAllPrivilege": false, "exploitabilityScore": 4.9, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": true}], "cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "CHANGED", "version": "3.1", "baseScore": 4.7, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:L/A:N", "integrityImpact": "LOW", "userInteraction": "REQUIRED", "attackComplexity": "HIGH", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "LOW"}, "impactScore": 2.7, "exploitabilityScore": 1.6}, {"type": "Secondary", "source": "security@ubuntu.com", "cvssData": {"scope": "CHANGED", "version": "3.1", "baseScore": 4.7, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:L/A:N", "integrityImpact": "LOW", "userInteraction": "REQUIRED", "attackComplexity": "HIGH", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "LOW"}, "impactScore": 2.7, "exploitabilityScore": 1.6}]}, "published": "2020-03-26T13:15:12.843", "references": [{"url": "https://usn.ubuntu.com/4247-1/", "tags": ["Patch", "Third Party Advisory"], "source": "security@ubuntu.com"}, {"url": "https://usn.ubuntu.com/4247-3/", "tags": ["Patch", "Third Party Advisory"], "source": "security@ubuntu.com"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-347"}]}, {"type": "Secondary", "source": "security@ubuntu.com", "description": [{"lang": "en", "value": "CWE-287"}]}], "descriptions": [{"lang": "en", "value": "Python-apt doesn't check if hashes are signed in `Version.fetch_binary()` and `Version.fetch_source()` of apt/package.py or in `_fetch_archives()` of apt/cache.py in version 1.9.3ubuntu2 and earlier. This allows downloads from unsigned repositories which shouldn't be allowed and has been fixed in verisions 1.9.5, 1.9.0ubuntu1.2, 1.6.5ubuntu0.1, 1.1.0~beta1ubuntu0.16.04.7, 0.9.3.5ubuntu3+esm2, and 0.8.3ubuntu7.5."}, {"lang": "es", "value": "Python-apt no comprueba si los hashes est\u00e1n firmados en las funciones \"Version.fetch_binary()\" y \"Version.fetch_source()\" del archivo apt/package.py o en la funci\u00f3n \"_fetch_archives()\" del archivo apt/cache.py en versi\u00f3n 1.9. 3ubuntu2 y anteriores. Esto permite descargas desde repositorios no firmados que no deber\u00edan ser permitidos y ha sido corregido en las versiones 1.9.5, 1.9.0ubuntu1.2, 1.6.5ubuntu0.1, 1.1.0~beta1ubuntu0.16.04.7, 0.9.3.5ubuntu3+esm2 y 0.8.3ubuntu7.5."}], "lastModified": "2020-10-19T19:38:27.947", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:ubuntu:python-apt:0.8.0:ubuntu9:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "C8023A14-4ECA-4A75-8171-26709D2D3792"}, {"criteria": "cpe:2.3:a:ubuntu:python-apt:0.8.1:ubuntu1:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "1EF9A385-956B-472C-A679-A3FE4AC00592"}, {"criteria": "cpe:2.3:a:ubuntu:python-apt:0.8.3:ubuntu1:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "D8875AAE-0C17-4D78-AFE4-6BB22EB77954"}, {"criteria": "cpe:2.3:a:ubuntu:python-apt:0.8.3:ubuntu2:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "A863CCB4-564A-4B48-B848-BDD4136E6344"}, {"criteria": 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