{"metadata": {"vulnerability": "CVE-2021-25737", "count": 101, "kinds": {"milestone": 11, "sighting": 4, "kev": 0, "other": 86}}, "data": [{"timestamp": "2021-01-11T00:00:00Z", "date_only": false, "value": "2021-01-11T00:00:00+00:00", "kind": "other", "label": "Release date", "source": "csaf_redhat \u00b7 RHSA-2021:2437", "record": "RHSA-2021:2437", "field": "vulnerabilities.1.release_date"}, {"timestamp": "2021-01-11T00:00:00Z", "date_only": false, "value": "2021-01-11T00:00:00+00:00", "kind": "other", "label": "Release date", "source": "csaf_redhat \u00b7 RHSA-2021_2437", "record": "RHSA-2021_2437", "field": "vulnerabilities.1.release_date"}, {"timestamp": "2021-01-13T00:00:00Z", "date_only": false, "value": "2021-01-13T00:00:00+00:00", "kind": "other", "label": "Release date", "source": "csaf_redhat \u00b7 RHSA-2021:2437", "record": "RHSA-2021:2437", "field": "vulnerabilities.5.release_date"}, {"timestamp": "2021-01-20T00:00:00Z", "date_only": false, "value": 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"2021-01-21T00:00:00Z", "date_only": false, "value": "2021-01-21T00:00:00.000Z", "kind": "milestone", "label": "Reserved", "source": "cvelistv5", "record": "CVE-2021-25737", "field": "cveMetadata.dateReserved"}, {"timestamp": "2021-01-28T00:00:00Z", "date_only": false, "value": "2021-01-28T00:00:00+00:00", "kind": "other", "label": "Discovery date", "source": "csaf_redhat \u00b7 RHSA-2021:2437", "record": "RHSA-2021:2437", "field": "vulnerabilities.1.discovery_date"}, {"timestamp": "2021-01-28T00:00:00Z", "date_only": false, "value": "2021-01-28T00:00:00+00:00", "kind": "other", "label": "Discovery date", "source": "csaf_redhat \u00b7 RHSA-2021_2437", "record": "RHSA-2021_2437", "field": "vulnerabilities.1.discovery_date"}, {"timestamp": "2021-02-04T00:00:00Z", "date_only": false, "value": "2021-02-04T00:00:00+00:00", "kind": "other", "label": "Discovery date", "source": "csaf_redhat \u00b7 RHSA-2021:2437", "record": "RHSA-2021:2437", "field": "vulnerabilities.5.discovery_date"}, 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"2021-05-11T00:00:00Z", "date_only": false, "value": "2021-05-11T00:00:00+00:00", "kind": "other", "label": "Discovery date", "source": "csaf_redhat \u00b7 RHSA-2021:2437", "record": "RHSA-2021:2437", "field": "vulnerabilities.22.discovery_date"}, {"timestamp": "2021-05-11T00:00:00Z", "date_only": false, "value": "2021-05-11T00:00:00+00:00", "kind": "other", "label": "Discovery date", "source": "csaf_redhat \u00b7 RHSA-2021_2437", "record": "RHSA-2021_2437", "field": "vulnerabilities.7.discovery_date"}, {"timestamp": "2021-05-11T00:00:00Z", "date_only": false, "value": "2021-05-11T00:00:00+00:00", "kind": "other", "label": "Release date", "source": "csaf_redhat \u00b7 RHSA-2021:2437", "record": "RHSA-2021:2437", "field": "vulnerabilities.22.release_date"}, {"timestamp": "2021-05-11T00:00:00Z", "date_only": false, "value": "2021-05-11T00:00:00+00:00", "kind": "other", "label": "Release date", "source": "csaf_redhat \u00b7 RHSA-2021_2437", "record": "RHSA-2021_2437", "field": "vulnerabilities.7.release_date"}, {"timestamp": "2021-05-18T00:00:00Z", "date_only": false, "value": "2021-05-18T00:00:00.000Z", "kind": "other", "label": "Made public", "source": "cvelistv5 / kubernetes", "record": "CVE-2021-25737", "field": "containers.cna.datePublic"}, {"timestamp": "2021-05-18T00:00:00Z", "date_only": false, "value": "2021-05-18T00:00:00+00:00", "kind": "other", "label": "Release date", "source": "csaf_redhat \u00b7 RHSA-2021:2437", "record": "RHSA-2021:2437", "field": "vulnerabilities.24.release_date"}, {"timestamp": "2021-05-18T00:00:00Z", "date_only": false, "value": "2021-05-18T00:00:00+00:00", "kind": "other", "label": "Release date", "source": "csaf_redhat \u00b7 RHSA-2021_2437", "record": "RHSA-2021_2437", "field": "vulnerabilities.9.release_date"}, {"timestamp": "2021-05-18T19:00:00Z", "date_only": false, "value": "2021-05-18T19:00:00.000Z", "kind": "other", "label": "DATE PUBLIC", "source": "cvelistv5 / kubernetes", "record": "CVE-2021-25737", "field": "containers.cna.x_legacyV4Record.CVE_data_meta.DATE_PUBLIC"}, {"timestamp": "2021-05-18T19:00:00Z", "date_only": false, "value": "2021-05-18T19:00:00.000Z", "kind": "other", "label": "DATE PUBLIC", "source": "gsd \u00b7 GSD-2021-25737", "record": "GSD-2021-25737", "field": "namespaces.cve.org.CVE_data_meta.DATE_PUBLIC"}, {"timestamp": "2021-05-19T10:00:00Z", "date_only": false, "value": "2021-05-19T10:00:00+00:00", "kind": "other", "label": "Release date", "source": "csaf_redhat \u00b7 RHSA-2021:2437", "record": "RHSA-2021:2437", "field": "vulnerabilities.25.release_date"}, {"timestamp": "2021-07-02T00:00:00Z", "date_only": false, "value": "2021-07-02T00:00:00+00:00", "kind": "other", "label": "Discovery date", "source": "csaf_redhat \u00b7 RHSA-2021:2437", "record": "RHSA-2021:2437", "field": "vulnerabilities.2.discovery_date"}, {"timestamp": "2021-07-02T00:00:00Z", "date_only": false, "value": "2021-07-02T00:00:00+00:00", "kind": "other", "label": "Discovery date", "source": "csaf_redhat \u00b7 RHSA-2021_2437", "record": "RHSA-2021_2437", "field": "vulnerabilities.2.discovery_date"}, {"timestamp": "2021-07-14T00:00:00Z", "date_only": false, "value": "2021-07-14T00:00:00+00:00", "kind": "other", "label": "Release date", "source": "csaf_redhat \u00b7 RHSA-2021:2437", "record": "RHSA-2021:2437", "field": "vulnerabilities.2.release_date"}, {"timestamp": "2021-07-14T00:00:00Z", "date_only": false, "value": "2021-07-14T00:00:00+00:00", "kind": "other", "label": "Release date", "source": "csaf_redhat \u00b7 RHSA-2021_2437", "record": "RHSA-2021_2437", "field": "vulnerabilities.2.release_date"}, {"timestamp": "2021-07-15T07:58:12Z", "date_only": false, "value": "2021-07-15T07:58:12.000000Z", "kind": "sighting", "label": "Seen", "source": "https://t.me/k8security/344", "record": "CVE-2021-25737", "field": "creation_timestamp", "uuid": "6549eb1e-9565-498e-9e7f-ce60067e1f96", "content": "\u041f\u043e\u0433\u043e\u0432\u043e\u0440\u0438\u043c \u0441\u0435\u0433\u043e\u0434\u043d\u044f \u043e \u0442\u0430\u043a\u0438\u0445 Kubernetes \u0440\u0435\u0441\u0443\u0440\u0441\u0430\u0445 \u043a\u0430\u043a Endpoint \u0438 EndpointSlice, \u0430 \u0442\u043e\u0447\u043d\u0435\u0435 \u043e \u0446\u0435\u043b\u044b\u0445 \u0434\u0432\u0443\u0445 \u043d\u043e\u0432\u044b\u0445 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044f\u0445, \u0441\u0432\u044f\u0437\u0430\u043d\u043d\u044b\u0445 \u0441 \u043d\u0438\u043c\u0438.\n\nCVE-2021-25737: Holes in EndpointSlice Validation Enable Host Network Hijack\n\u0423\u0440\u043e\u0432\u0435\u043d\u044c Low (CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N)\n\n\u041a\u0440\u0430\u0442\u043a\u0430\u044f \u0441\u0443\u0442\u044c: \"user may be able to redirect pod traffic to private networks on a Node.\". \u041f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u0435\u043b\u044c, \u043a\u043e\u043d\u0435\u0447\u043d\u043e, \u0434\u043e\u043b\u0436\u0435\u043d \u0438\u043c\u0435\u0442\u044c \u043f\u0440\u0430\u0432\u0430 \u043d\u0430 \u0440\u0430\u0431\u043e\u0442\u0443 \u0441 \u0434\u0430\u043d\u043d\u044b\u043c \u0442\u0438\u043f\u043e\u043c \u0440\u0435\u0441\u0443\u0440\u0441\u0430. \u041f\u0440\u0438 \u044d\u0442\u043e\u043c \u043f\u043e\u0434\u043e\u0431\u043d\u043e\u0435 \u0434\u043b\u044f Endpoint \u0437\u0430\u043a\u0440\u044b\u043b\u0438, \u0430 \u043f\u0440\u043e EndpointSlice \u0437\u0430\u0431\u044b\u043b\u0438.\n\n\u041f\u043e\u043c\u0438\u043c\u043e \u043e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u044f kube-apiserver \u0434\u043b\u044f \u043c\u0438\u0442\u0438\u0433\u0438\u0439\u0448\u0435\u043d\u0430/\u0437\u0430\u043a\u0440\u044b\u0442\u0438\u044f \u0434\u0430\u043d\u043d\u043e\u0439 \u043f\u0440\u043e\u0431\u043b\u0435\u043c\u044b \u043c\u043e\u0436\u043d\u043e \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u044c policy engine, \u043a\u043e\u0442\u043e\u0440\u044b\u0439 \u043f\u0440\u0435\u0434\u043e\u0442\u0432\u0440\u0430\u0449\u0430\u0435\u0442 \u0441\u043e\u0437\u0434\u0430\u043d\u0438\u0435 endpoint \u0441 \u0430\u0434\u0440\u0435\u0441\u0430\u043c\u0438 \u0432 \u0434\u0438\u0430\u043f\u0430\u0437\u043e\u043d\u0430\u0445 127.0.0.0/8 \u0438 169.254.0.0/16. \n\n\nCVE-2021-25740: Endpoint & EndpointSlice permissions allow cross-Namespace forwarding\n\u0423\u0440\u043e\u0432\u0435\u043d\u044c Low (CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N)\n\n\u041a\u0440\u0430\u0442\u043a\u0430\u044f \u0441\u0443\u0442\u044c: \"that could enable users to send network traffic to locations they would otherwise not have access to via a confused deputy attack.\"\n\n\u041f\u0440\u0438 \u044d\u0442\u043e\u043c \u043d\u0430 \u044d\u0442\u043e \u043f\u0430\u0442\u0447\u0430 \u043d\u0435\u0442 \u0438 \u043d\u0435 \u0431\u0443\u0434\u0435\u0442 \u0438 \u043c\u0438\u0442\u0438\u0433\u0435\u0439\u0448\u0435\u043d \u0437\u0430\u043a\u043b\u044e\u0447\u0430\u0435\u0442\u0441\u044f \u0442\u043e\u043b\u044c\u043a\u043e \u0432 \u043e\u0433\u0440\u0430\u043d\u0438\u0447\u0435\u043d\u0438\u0438 \u0434\u043e\u0441\u0442\u0443\u043f\u0430 \u043a \u0434\u0430\u043d\u043d\u044b\u043c \u0440\u0435\u0441\u0443\u0440\u0441\u0430\u043c! (\u043a\u0430\u043a \u044d\u0442\u043e \u0437\u0430\u043a\u0440\u044b\u0442\u044c \u0432 \u0431\u0443\u0434\u0443\u0449\u0435\u043c \u0431\u0443\u0434\u0435\u0442 \u0432\u0435\u0441\u0442\u0438\u0441\u044c \u043e\u0442\u0434\u0435\u043b\u044c\u043d\u043e\u0435 \u043e\u0431\u0441\u0443\u0436\u0434\u0435\u043d\u0438\u0435 \u0432 \u0441\u043e\u043e\u0431\u0449\u0435\u0441\u0442\u0435) \u0410 \u0434\u0430 \u0438 \u0434\u0430\u043d\u043d\u043e\u043c\u0443 \u043d\u0435\u0434\u043e\u0441\u0442\u0430\u0442\u043a\u0443 \u043f\u043e\u0434\u0432\u0435\u0440\u0436\u0435\u043d\u044b \u0432\u0441\u0435 \u0432\u0435\u0440\u0441\u0438\u0438 Kubernetes. \u0414\u043b\u044f \u043e\u0431\u043d\u0430\u0440\u0443\u0436\u0435\u043d\u0438\u044f \u0443\u044f\u0437\u0432\u0438\u043c\u044b\u0445 \u043a \u0434\u0430\u043d\u043d\u043e\u043c\u0443 \u0441\u0446\u0435\u043d\u0430\u0440\u0438\u044e Services - \u043d\u0443\u0436\u043d\u043e \u043d\u0430\u0439\u0442\u0438 \u0438\u0445 \u0432\u0441\u0435 \u0441 \u043f\u0443\u0441\u0442\u044b\u043c\u0438 selector.\n\n\u0422\u0430\u043a\u0436\u0435 \u0432 \u043e\u043f\u0438\u0441\u0430\u043d\u0438\u0438 CVE \u0433\u043e\u0432\u043e\u0440\u0438\u0442\u0441\u044f, \u0447\u0442\u043e \u043f\u043e\u0434\u043e\u0431\u043d\u0430\u044f \u0430\u0442\u0430\u043a\u0430 \u0432\u043e\u0437\u043c\u043e\u0436\u043d\u043e \u0438 \u0441 Ingress, \u043d\u043e \u0442\u0443\u0442 \u043d\u0443\u0436\u043d\u043e \u043f\u0440\u043e\u0432\u0435\u0440\u044f\u0442\u044c \u044d\u0442\u043e \u0434\u043b\u044f \u043a\u0430\u0436\u0434\u043e\u0439 \u0440\u0435\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u0438 \u043e\u0442\u0434\u0435\u043b\u044c\u043d\u043e \u2026", "url": "https://t.me/k8security/344"}, {"timestamp": "2021-07-27T22:36:55Z", "date_only": false, "value": "2021-07-27T22:36:55+00:00", "kind": "other", "label": "Advisory revision", "source": "csaf_redhat \u00b7 RHSA-2021:2437", "record": "RHSA-2021:2437", "field": "document.tracking.revision_history.0.date"}, 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Kubernetes already prevents creation of Endpoint IPs in the localhost or link-local range, but the same validation was not performed on EndpointSlice IPs.\n\n\ud83d\udcd6 Read\n\nvia \"National Vulnerability Database\".", "url": "https://t.me/cibsecurity/28295"}, {"timestamp": "2021-09-07T00:00:00Z", "date_only": true, "value": "2021-09-07", "kind": "other", "label": "Pubdate", "source": "gsd \u00b7 GSD-2021-25737", "record": "GSD-2021-25737", "field": "namespaces.gitlab.com.advisories.1.pubdate"}, {"timestamp": "2021-09-07T23:09:24Z", "date_only": false, "value": "2021-09-07T23:09:24Z", "kind": "milestone", "label": "Published", "source": "github \u00b7 GHSA-MFV7-GQ43-W965", "record": "GHSA-MFV7-GQ43-W965", "field": "published"}, {"timestamp": "2021-09-14T18:47:27Z", "date_only": false, "value": "2021-09-14T18:47:27Z", "kind": "other", "label": "Updated", "source": "github \u00b7 GHSA-MFV7-GQ43-W965", "record": "GHSA-MFV7-GQ43-W965", "field": "modified"}, {"timestamp": 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