CVE-2019-0816

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{"affected": [{"affectedData": [{"product": "Ubuntu Server", "vendor": "Microsoft", "versions": [{"status": "affected", "version": "18.04-LTS"}]}], "source": "secure@microsoft.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*", "matchCriteriaId": "23A7C53F-B80F-4E6A-AFA9-58EEA84BE11D", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:o:microsoft:azure:-:*:*:*:*:*:*:*", "matchCriteriaId": "511CBA4F-AC08-4500-A1FC-1804B84C09A7", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "A security feature bypass exists in Azure SSH Keypairs, due to a change in the provisioning logic for some Linux images that use cloud-init, aka 'Azure SSH Keypairs Security Feature Bypass Vulnerability'."}, {"lang": "es", "value": "Existe una omisi\u00f3n de la caracter\u00edstica de seguridad en Azure SSH Keypairs, debido a un cambio en la l\u00f3gica de aprovisionamiento para algunas im\u00e1genes de Linux que usan cloud-init, tambi\u00e9n se conoce como \"Azure SSH Keypairs Security Feature Bypass Vulnerability\"."}], "id": "CVE-2019-0816", "lastModified": "2026-06-17T02:08:57.983", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "LOW", "cvssData": {"accessComplexity": "MEDIUM", "accessVector": "LOCAL", "authentication": "NONE", "availabilityImpact": "NONE", "baseScore": 1.9, "confidentialityImpact": "NONE", "integrityImpact": "PARTIAL", "vectorString": "AV:L/AC:M/Au:N/C:N/I:P/A:N", "version": "2.0"}, "exploitabilityScore": 3.4, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV30": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "LOCAL", "availabilityImpact": "NONE", "baseScore": 5.1, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.0/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N", "version": "3.0"}, "exploitabilityScore": 1.4, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2019-04-09T03:29:00.937", "references": [{"source": "secure@microsoft.com", "url": "http://lists.opensuse.org/opensuse-security-announce/2019-12/msg00018.html"}, {"source": "secure@microsoft.com", "tags": ["Vendor Advisory"], "url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-0816"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://lists.opensuse.org/opensuse-security-announce/2019-12/msg00018.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-0816"}], "sourceIdentifier": "secure@microsoft.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-706"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"affected_release": [{"advisory": "RHSA-2019:0597", "cpe": "cpe:/o:redhat:enterprise_linux:7", "package": "cloud-init-0:18.2-1.el7_6.2", "product_name": "Red Hat Enterprise Linux 7", "release_date": "2019-03-18T00:00:00Z"}, {"advisory": "RHBA-2019:1992", "cpe": "cpe:/a:redhat:enterprise_linux:8", "package": "cloud-init-0:18.5-1.el8.4", "product_name": "Red Hat Enterprise Linux 8", "release_date": "2019-07-30T00:00:00Z"}], "bugzilla": {"description": "cloud-init: extra ssh keys added to authorized_keys on the Azure platform", "id": "1680165", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1680165"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.4", "cvss3_scoring_vector": "CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N", "status": "verified"}, "cwe": "CWE-285", "details": ["A security feature bypass exists in Azure SSH Keypairs, due to a change in the provisioning logic for some Linux images that use cloud-init, aka 'Azure SSH Keypairs Security Feature Bypass Vulnerability'."], "mitigation": {"lang": "en:us", "value": "See steps from https://support.microsoft.com/en-us/help/4491476/extraneous-ssh-public-keys-added-to-authorized-keys-file-on-linux-vm"}, "name": "CVE-2019-0816", "public_date": "2019-03-05T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2019-0816\nhttps://nvd.nist.gov/vuln/detail/CVE-2019-0816\nhttps://support.microsoft.com/en-us/help/4491476/extraneous-ssh-public-keys-added-to-authorized-keys-file-on-linux-vm"], "threat_severity": "Moderate"}

{}