CVE-2020-1742

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{"affected": [{"affectedData": [{"product": "nmstate/kubernetes-nmstate-handler", "vendor": "n/a", "versions": [{"status": "affected", "version": "kubernetes-nmstate-handler-container-v2.3.0-30"}]}], "source": "secalert@redhat.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:nmstate:kubernetes-nmstate:*:*:*:*:*:*:*:*", "matchCriteriaId": "C3437850-22E6-4D92-A83A-82947F91A2B0", "versionEndExcluding": "2.3.0", "vulnerable": true}], "negate": false, "operator": "OR"}]}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:redhat:openshift_virtualization:2:*:*:*:*:*:*:*", "matchCriteriaId": "81FC5D81-27C6-4993-A728-3F44C1DA6629", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "An insecure modification vulnerability flaw was found in containers using nmstate/kubernetes-nmstate-handler. An attacker with access to the container could use this flaw to modify /etc/passwd and escalate their privileges. Versions before kubernetes-nmstate-handler-container-v2.3.0-30 are affected."}, {"lang": "es", "value": "Se ha encontrado un fallo de vulnerabilidad de modificaci\u00f3n no segura en los contenedores que usan nmstate/kubernetes-nmstate-handler. Un atacante con acceso al contenedor podr\u00eda usar este fallo para modificar el par\u00e1metro /etc/passwd y escalar sus privilegios. Las versiones anteriores a kubernetes-nmstate-handler-container-v2.3.0-30 est\u00e1n afectadas"}], "id": "CVE-2020-1742", "lastModified": "2026-06-17T03:02:18.943", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "MEDIUM", "accessVector": "LOCAL", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 4.4, "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "vectorString": "AV:L/AC:M/Au:N/C:P/I:P/A:P", "version": "2.0"}, "exploitabilityScore": 3.4, "impactScore": 6.4, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.0, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 1.0, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2021-06-07T20:15:08.037", "references": [{"source": "secalert@redhat.com", "tags": ["Exploit", "Issue Tracking", "Third Party Advisory"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1803608"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Issue Tracking", "Third Party Advisory"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1803608"}], "sourceIdentifier": "secalert@redhat.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-266"}], "source": "secalert@redhat.com", "type": "Secondary"}, {"description": [{"lang": "en", "value": "CWE-732"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"acknowledgement": "Red Hat would like to thank Joseph LaMagna-Reiter (SPR Inc.) for reporting this issue.", "affected_release": [{"advisory": "RHEA-2020:2011", "cpe": "cpe:/a:redhat:container_native_virtualization:2.3::el8", "package": "container-native-virtualization/kubevirt-cpu-model-nfd-plugin:v2.3.0-9", "product_name": "RHEL-8-CNV-2.3", "release_date": "2020-05-04T00:00:00Z"}, {"advisory": "RHEA-2020:2011", "cpe": "cpe:/a:redhat:container_native_virtualization:2.3::el8", "package": "container-native-virtualization/kubevirt-cpu-node-labeller:v2.3.0-9", "product_name": "RHEL-8-CNV-2.3", "release_date": "2020-05-04T00:00:00Z"}, {"advisory": "RHEA-2020:2011", "cpe": "cpe:/a:redhat:container_native_virtualization:2.3::el8", "package": "container-native-virtualization/kubevirt-kvm-info-nfd-plugin:v2.3.0-9", "product_name": "RHEL-8-CNV-2.3", "release_date": "2020-05-04T00:00:00Z"}], "bugzilla": {"description": "nmstate/kubernetes-nmstate-handler: /etc/passwd is given incorrect privileges", "id": "1803608", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1803608"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.0", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H", "status": "verified"}, "cwe": "CWE-732", "details": ["An insecure modification vulnerability flaw was found in containers using nmstate/kubernetes-nmstate-handler. An attacker with access to the container could use this flaw to modify /etc/passwd and escalate their privileges. Versions before kubernetes-nmstate-handler-container-v2.3.0-30 are affected.", "An insecure modification vulnerability flaw was found in containers using nmstate/kubernetes-nmstate-handler. An attacker with access to the container could use this flaw to modify /etc/passwd and escalate their privileges."], "name": "CVE-2020-1742", "public_date": "2020-01-21T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2020-1742\nhttps://nvd.nist.gov/vuln/detail/CVE-2020-1742"], "statement": "By default this vulnerability is not exploitable in un-privilieged containers running on OpenShift Container Platform. This is because the system call SETUID and SETGID is blocked by the default seccomp policy.", "threat_severity": "Moderate"}

{}