CVE-2017-3204

{"containers": {"cna": {"affected": [{"product": "SSH library", "vendor": "Go", "versions": [{"status": "affected", "version": "prior to commit e4e2799"}]}], "datePublic": "2017-04-02T00:00:00.000Z", "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."}], "problemTypes": [{"descriptions": [{"cweId": "CWE-310", "description": "CWE-310", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"dateUpdated": "2017-04-07T09:57:01.000Z", "orgId": "37e5125f-f79b-445b-8fad-9564f167944b", "shortName": "certcc"}, "references": [{"tags": ["x_refsource_MISC"], "url": "https://godoc.org/golang.org/x/crypto/ssh"}, {"tags": ["x_refsource_CONFIRM"], "url": "https://github.com/golang/go/issues/19767"}, {"tags": ["x_refsource_MISC"], "url": "https://bridge.grumpy-troll.org/2017/04/golang-ssh-security/"}, {"tags": ["x_refsource_CONFIRM"], "url": "https://github.com/golang/crypto/commit/e4e2799dd7aab89f583e1d898300d96367750991"}, {"name": "97481", "tags": ["vdb-entry", "x_refsource_BID"], "url": "http://www.securityfocus.com/bid/97481"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "cert@cert.org", "ID": "CVE-2017-3204", "STATE": "PUBLIC"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "SSH library", "version": {"version_data": [{"version_value": "prior to commit e4e2799"}]}}]}, "vendor_name": "Go"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "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."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "CWE-310"}]}]}, "references": {"reference_data": [{"name": "https://godoc.org/golang.org/x/crypto/ssh", "refsource": "MISC", "url": "https://godoc.org/golang.org/x/crypto/ssh"}, {"name": "https://github.com/golang/go/issues/19767", "refsource": "CONFIRM", "url": "https://github.com/golang/go/issues/19767"}, {"name": "https://bridge.grumpy-troll.org/2017/04/golang-ssh-security/", "refsource": "MISC", "url": "https://bridge.grumpy-troll.org/2017/04/golang-ssh-security/"}, {"name": "https://github.com/golang/crypto/commit/e4e2799dd7aab89f583e1d898300d96367750991", "refsource": "CONFIRM", "url": "https://github.com/golang/crypto/commit/e4e2799dd7aab89f583e1d898300d96367750991"}, {"name": "97481", "refsource": "BID", "url": "http://www.securityfocus.com/bid/97481"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-05T14:16:28.305Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://godoc.org/golang.org/x/crypto/ssh"}, {"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "https://github.com/golang/go/issues/19767"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://bridge.grumpy-troll.org/2017/04/golang-ssh-security/"}, {"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "https://github.com/golang/crypto/commit/e4e2799dd7aab89f583e1d898300d96367750991"}, {"name": "97481", "tags": ["vdb-entry", "x_refsource_BID", "x_transferred"], "url": "http://www.securityfocus.com/bid/97481"}]}]}, "cveMetadata": {"assignerOrgId": "37e5125f-f79b-445b-8fad-9564f167944b", "assignerShortName": "certcc", "cveId": "CVE-2017-3204", "datePublished": "2017-04-04T14:00:00.000Z", "dateReserved": "2016-12-05T00:00:00.000Z", "dateUpdated": "2024-08-05T14:16:28.305Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

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{"affected": [{"affectedData": [{"product": "SSH library", "vendor": "Go", "versions": [{"status": "affected", "version": "prior to commit e4e2799"}]}], "source": "cret@cert.org"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:golang:crypto:*:*:*:*:*:*:*:*", "matchCriteriaId": "4C978A0F-3C80-4898-B1B3-DFF7F97D22DF", "versionEndIncluding": "2017-03-17", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "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."}], "id": "CVE-2017-3204", "lastModified": "2026-06-17T01:17:43.813", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "MEDIUM", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 6.8, "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:P", "version": "2.0"}, "exploitabilityScore": 8.6, "impactScore": 6.4, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.1, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 2.2, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2017-04-04T14:59:00.180", "references": [{"source": "cret@cert.org", "tags": ["Third Party Advisory", "VDB Entry"], "url": "http://www.securityfocus.com/bid/97481"}, {"source": "cret@cert.org", "tags": ["Third Party Advisory"], "url": "https://bridge.grumpy-troll.org/2017/04/golang-ssh-security/"}, {"source": "cret@cert.org", "tags": ["Patch", "Third Party Advisory"], "url": "https://github.com/golang/crypto/commit/e4e2799dd7aab89f583e1d898300d96367750991"}, {"source": "cret@cert.org", "tags": ["Third Party Advisory"], "url": "https://github.com/golang/go/issues/19767"}, {"source": "cret@cert.org", "tags": ["Vendor Advisory"], "url": "https://godoc.org/golang.org/x/crypto/ssh"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory", "VDB Entry"], "url": "http://www.securityfocus.com/bid/97481"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://bridge.grumpy-troll.org/2017/04/golang-ssh-security/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Third Party Advisory"], "url": "https://github.com/golang/crypto/commit/e4e2799dd7aab89f583e1d898300d96367750991"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://github.com/golang/go/issues/19767"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://godoc.org/golang.org/x/crypto/ssh"}], "sourceIdentifier": "cret@cert.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-310"}], "source": "cret@cert.org", "type": "Secondary"}, {"description": [{"lang": "en", "value": "NVD-CWE-noinfo"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "golang-googlecode-go-crypto: Go SSH library does not verify host keys by default", "id": "1439748", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1439748"}, "csaw": false, "cvss3": {"cvss3_base_score": "4.8", "cvss3_scoring_vector": "CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N", "status": "draft"}, "details": ["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."], "name": "CVE-2017-3204", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "gomtree", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kubernetes", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/a:redhat:openshift:3", "fix_state": "Not affected", "package_name": "atomic-openshift", "product_name": "Red Hat OpenShift Enterprise 3"}, {"cpe": "cpe:/a:redhat:rhel_software_collections:2", "fix_state": "Not affected", "package_name": "rh-mongodb32-golang-googlecode-go-crypto", "product_name": "Red Hat Software Collections"}], "public_date": "2017-03-29T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2017-3204\nhttps://nvd.nist.gov/vuln/detail/CVE-2017-3204"], "threat_severity": "Moderate"}

{}