{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"state": "PUBLISHED", "cveId": "CVE-2022-2835", "assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749", "assignerShortName": "redhat", "dateUpdated": "2024-08-03T00:52:58.830Z", "dateReserved": "2022-08-16T00:00:00", "datePublished": "2023-03-03T00:00:00"}, "containers": {"cna": {"providerMetadata": {"orgId": "53f830b8-0a3f-465b-8143-3b8a9948e749", "shortName": "redhat", "dateUpdated": "2023-03-03T00:00:00"}, "descriptions": [{"lang": "en", "value": "A flaw was found in coreDNS. This flaw allows a malicious user to reroute internal calls to some internal services that were accessed by the FQDN in a format of <service>.<namespace>.svc."}], "affected": [{"vendor": "n/a", "product": "coreDNS", "versions": [{"version": "unknown", "status": "affected"}]}], "references": [{"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2118542"}], "problemTypes": [{"descriptions": [{"type": "CWE", "lang": "en", "description": "CWE-923", "cweId": "CWE-923"}]}]}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-03T00:52:58.830Z"}, "title": "CVE Program Container", "references": [{"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2118542", "tags": ["x_transferred"]}]}]}}

{}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:coredns.io:coredns:-:*:*:*:*:*:*:*", "matchCriteriaId": "CCA8A3E2-1A14-4276-B8D9-463173E689D5", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "A flaw was found in coreDNS. This flaw allows a malicious user to reroute internal calls to some internal services that were accessed by the FQDN in a format of <service>.<namespace>.svc."}], "id": "CVE-2022-2835", "lastModified": "2023-03-14T15:47:50.333", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "NONE", "baseScore": 4.4, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 2.5, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2023-03-03T16:15:09.140", "references": [{"source": "secalert@redhat.com", "tags": ["Issue Tracking", "Third Party Advisory"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2118542"}], "sourceIdentifier": "secalert@redhat.com", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "NVD-CWE-Other"}], "source": "nvd@nist.gov", "type": "Primary"}, {"description": [{"lang": "en", "value": "CWE-923"}], "source": "secalert@redhat.com", "type": "Secondary"}]}

{"acknowledgement": "This issue was discovered by Jon Weiser (Red Hat).", "bugzilla": {"description": "coreDNS: DNS Redirection of Internal Services", "id": "2118542", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2118542"}, "csaw": false, "cvss3": {"cvss3_base_score": "4.4", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L", "status": "draft"}, "cwe": "CWE-923", "details": ["A flaw was found in coreDNS. This flaw allows a malicious user to reroute internal calls to some internal services that were accessed by the FQDN in a format of <service>.<namespace>.svc.", "A flaw was found in coreDNS. This flaw allows a malicious user to reroute internal calls to some internal services that were accessed by the FQDN in a format of <service>.<namespace>.svc."], "mitigation": {"lang": "en:us", "value": "Consider adding the svc namespace to the DNS operator to prevent a low-privileged user from creating it. Alternatively, add a default admission controller to prevent this namespace from being created by a non-privileged user."}, "name": "CVE-2022-2835", "package_state": [{"cpe": "cpe:/a:redhat:openshift:4", "fix_state": "Not affected", "package_name": "openshift4/ose-coredns", "product_name": "Red Hat OpenShift Container Platform 4"}], "public_date": "2022-08-16T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2022-2835\nhttps://nvd.nist.gov/vuln/detail/CVE-2022-2835"], "threat_severity": "Moderate"}