CVE-2017-3204

{"id": "CVE-2017-3204", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 6.8, "accessVector": "NETWORK", "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:P", "authentication": "NONE", "integrityImpact": "PARTIAL", "accessComplexity": "MEDIUM", "availabilityImpact": "PARTIAL", "confidentialityImpact": "PARTIAL"}, "acInsufInfo": false, "impactScore": 6.4, "baseSeverity": "MEDIUM", "obtainAllPrivilege": false, "exploitabilityScore": 8.6, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 8.1, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "HIGH", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 2.2}]}, "published": "2017-04-04T14:59:00.180", "references": [{"url": "http://www.securityfocus.com/bid/97481", "tags": ["Third Party Advisory", "VDB Entry"], "source": "cret@cert.org"}, {"url": "https://bridge.grumpy-troll.org/2017/04/golang-ssh-security/", "tags": ["Third Party Advisory"], "source": "cret@cert.org"}, {"url": "https://github.com/golang/crypto/commit/e4e2799dd7aab89f583e1d898300d96367750991", "tags": ["Patch", "Third Party Advisory"], "source": "cret@cert.org"}, {"url": "https://github.com/golang/go/issues/19767", "tags": ["Third Party Advisory"], "source": "cret@cert.org"}, {"url": "https://godoc.org/golang.org/x/crypto/ssh", "tags": ["Vendor Advisory"], "source": "cret@cert.org"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "NVD-CWE-noinfo"}]}, {"type": "Secondary", "source": "cret@cert.org", "description": [{"lang": "en", "value": "CWE-310"}]}], "descriptions": [{"lang": "en", "value": "The Go SSH library (x/crypto/ssh) by default does not verify host keys, facilitating man-in-the-middle attacks. Default behavior changed in commit e4e2799 to require explicitly registering a hostkey verification mechanism."}, {"lang": "es", "value": "La librer\u00eda Go SSH (x/crypto/ssh) por defecto no verifica las claves del host, facilitando ataques man-in-the-middle. El comportamiento predeterminado cambi\u00f3 en commit e4e2799 para requerir el registro expl\u00edcito de un mecanismo de verificaci\u00f3n de hostkey."}], "lastModified": "2020-07-07T18:21:43.420", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:golang:crypto:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "4C978A0F-3C80-4898-B1B3-DFF7F97D22DF", "versionEndIncluding": "2017-03-17"}], "operator": "OR"}]}], "sourceIdentifier": "cret@cert.org"}