{"metadata": {"vulnerability": "cve-2021-3864", "count": 39, "kinds": {"milestone": 10, "sighting": 4, "kev": 0, "other": 25}}, "data": [{"timestamp": "2021-10-06T00:00:00Z", "date_only": false, "value": "2021-10-06T00:00:00.000Z", "kind": "milestone", "label": "Reserved", "source": "cvelistv5", "record": "cve-2021-3864", "field": "cveMetadata.dateReserved"}, {"timestamp": "2022-08-26T15:25:39Z", "date_only": false, "value": "2022-08-26T15:25:39.000Z", "kind": "milestone", "label": "Published", "source": "cvelistv5", "record": "cve-2021-3864", "field": "cveMetadata.datePublished"}, {"timestamp": "2022-08-26T15:25:39Z", "date_only": false, "value": "2022-08-26T15:25:39.000Z", "kind": "other", "label": "Updated", "source": "cvelistv5 / redhat", "record": "cve-2021-3864", "field": "containers.cna.providerMetadata.dateUpdated"}, {"timestamp": "2022-08-26T16:15:00Z", "date_only": false, "value": "2022-08-26T16:15:00Z", "kind": "other", "label": "Nvd published at", "source": "github \u00b7 GHSA-9682-F2FR-3H46", "record": "GHSA-9682-F2FR-3H46", "field": "database_specific.nvd_published_at"}, {"timestamp": "2022-08-26T16:15:00Z", "date_only": false, "value": "2022-08-26T16:15:00Z", "kind": "milestone", "label": "Published", "source": "osv_ubuntu \u00b7 UBUNTU-CVE-2021-3864", "record": "UBUNTU-CVE-2021-3864", "field": "published"}, {"timestamp": "2022-08-26T16:15:00Z", "date_only": false, "value": "2022-08-26T16:15Z", "kind": "other", "label": "Published Date", "source": "gsd \u00b7 GSD-2021-3864", "record": "GSD-2021-3864", "field": "namespaces.nvd.nist.gov.publishedDate"}, {"timestamp": "2022-08-26T16:15:09.680Z", "date_only": false, "value": "2022-08-26T16:15:09.680", "kind": "milestone", "label": "Published", "source": "fkie_nvd \u00b7 FKIE_CVE-2021-3864", "record": "FKIE_CVE-2021-3864", "field": "published"}, {"timestamp": "2022-08-26T20:30:36Z", "date_only": false, "value": "2022-08-26T20:30:36.000000Z", "kind": "sighting", "label": "Seen", "source": "https://t.me/cibsecurity/48899", "record": "CVE-2021-3864", "field": "creation_timestamp", "uuid": "a24fcb24-77c7-4f4f-b10e-45ed12d25ce1", "content": "\u203c CVE-2021-3864 \u203c\n\nA flaw was found in the way the dumpable flag setting was handled when certain SUID binaries executed its descendants. The prerequisite is a SUID binary that sets real UID equal to effective UID, and real GID equal to effective GID. The descendant will then have a dumpable value set to 1. As a result, if the descendant process crashes and core_pattern is set to a relative value, its core dump is stored in the current directory with uid:gid permissions. An unprivileged local user with eligible root SUID binary could use this flaw to place core dumps into root-owned directories, potentially resulting in escalation of privileges.\n\n\ud83d\udcd6 Read\n\nvia \"National Vulnerability Database\".", "url": "https://t.me/cibsecurity/48899"}, {"timestamp": "2022-08-27T00:00:45Z", "date_only": false, "value": "2022-08-27T00:00:45Z", "kind": "milestone", "label": "Published", "source": "github \u00b7 GHSA-9682-F2FR-3H46", "record": "GHSA-9682-F2FR-3H46", "field": "published"}, {"timestamp": "2022-09-01T22:00:00Z", "date_only": false, "value": "2022-09-01T22:00:00.000+00:00", "kind": "other", "label": "Advisory revision", "source": "csaf_certbund \u00b7 WID-SEC-W-2022-1257", "record": "WID-SEC-W-2022-1257", "field": "document.tracking.revision_history.0.date"}, {"timestamp": "2022-09-01T22:00:00Z", "date_only": false, "value": "2022-09-01T22:00:00.000+00:00", "kind": "milestone", "label": "Published", "source": "csaf_certbund \u00b7 WID-SEC-W-2022-1257", "record": "WID-SEC-W-2022-1257", "field": "document.tracking.initial_release_date"}, {"timestamp": "2022-09-01T22:00:00Z", "date_only": false, "value": "2022-09-01T22:00:00.000+00:00", "kind": "other", "label": "Release date", "source": "csaf_certbund \u00b7 WID-SEC-W-2022-1257", "record": "WID-SEC-W-2022-1257", "field": "vulnerabilities.0.release_date"}, {"timestamp": "2022-09-02T00:01:10Z", "date_only": false, "value": "2022-09-02T00:01:10Z", "kind": "other", "label": "Updated", "source": "github \u00b7 GHSA-9682-F2FR-3H46", "record": "GHSA-9682-F2FR-3H46", "field": "modified"}, {"timestamp": "2022-09-18T22:00:00Z", "date_only": false, "value": "2022-09-18T22:00:00.000+00:00", "kind": "other", "label": "Advisory revision", "source": "csaf_certbund \u00b7 WID-SEC-W-2022-1257", "record": "WID-SEC-W-2022-1257", "field": "document.tracking.revision_history.1.date"}, {"timestamp": "2022-12-26T23:00:00Z", "date_only": false, "value": "2022-12-26T23:00:00.000+00:00", "kind": "other", "label": "Advisory revision", "source": "csaf_certbund \u00b7 WID-SEC-W-2022-1257", "record": "WID-SEC-W-2022-1257", "field": "document.tracking.revision_history.2.date"}, {"timestamp": "2023-02-12T23:42:00Z", "date_only": false, "value": "2023-02-12T23:42Z", "kind": "other", "label": "Last Modified Date", "source": "gsd \u00b7 GSD-2021-3864", "record": "GSD-2021-3864", "field": "namespaces.nvd.nist.gov.lastModifiedDate"}, {"timestamp": "2023-11-29T15:44:43Z", "date_only": false, "value": "2023-11-29T15:44:43.000000Z", "kind": "sighting", "label": "Seen", "source": "https://t.me/arpsyndicate/761", "record": "CVE-2021-3864", "field": "creation_timestamp", "uuid": "2cd53c75-bba0-4a84-b35c-1815a6317016", "content": "#ExploitObserverAlert\n\nCVE-2021-3864\n\nDESCRIPTION: Exploit Observer has 11 entries related to CVE-2021-3864. A flaw was found in the way the dumpable flag setting was handled when certain SUID binaries executed its descendants. The prerequisite is a SUID binary that sets real UID equal to effective UID, and real GID equal to effective GID. The descendant will then have a dumpable value set to 1. As a result, if the descendant process crashes and core_pattern is set to a relative value, its core dump is stored in the current directory with uid:gid permissions. An unprivileged local user with eligible root SUID binary could use this flaw to place core dumps into root-owned directories, potentially resulting in escalation of privileges.\n\nFIRST-EPSS: 0.000420000\nNVD-IS: 5.9\nNVD-ES: 1.0", "url": "https://t.me/arpsyndicate/761"}, {"timestamp": "2023-12-13T01:23:35.201Z", "date_only": false, "value": "2023-12-13T01:23:35.201331Z", "kind": "other", "label": "Updated", "source": "gsd \u00b7 GSD-2021-3864", "record": "GSD-2021-3864", "field": "gsd.osvSchema.modified"}, {"timestamp": "2024-03-11T23:00:00Z", "date_only": false, "value": "2024-03-11T23:00:00.000+00:00", "kind": "other", "label": "Advisory revision", "source": "csaf_certbund \u00b7 WID-SEC-W-2022-1257", "record": "WID-SEC-W-2022-1257", "field": "document.tracking.revision_history.3.date"}, {"timestamp": "2024-03-12T23:00:00Z", "date_only": false, "value": "2024-03-12T23:00:00.000+00:00", "kind": "other", "label": "Advisory revision", "source": "csaf_certbund \u00b7 WID-SEC-W-2022-1257", "record": "WID-SEC-W-2022-1257", "field": "document.tracking.revision_history.4.date"}, {"timestamp": "2024-03-13T23:00:00Z", "date_only": false, "value": "2024-03-13T23:00:00.000+00:00", "kind": "other", "label": "Advisory revision", "source": "csaf_certbund \u00b7 WID-SEC-W-2022-1257", "record": "WID-SEC-W-2022-1257", "field": "document.tracking.revision_history.5.date"}, {"timestamp": "2024-04-29T22:00:00Z", "date_only": false, "value": "2024-04-29T22:00:00.000+00:00", "kind": "other", "label": "Advisory revision", "source": "csaf_certbund \u00b7 WID-SEC-W-2022-1257", "record": "WID-SEC-W-2022-1257", "field": "document.tracking.revision_history.6.date"}, {"timestamp": "2024-06-24T22:00:00Z", "date_only": false, "value": "2024-06-24T22:00:00.000+00:00", "kind": "other", "label": "Advisory revision", "source": "csaf_certbund \u00b7 WID-SEC-W-2022-1257", "record": "WID-SEC-W-2022-1257", "field": "document.tracking.revision_history.7.date"}, {"timestamp": "2024-06-24T22:00:00Z", "date_only": false, "value": "2024-06-24T22:00:00.000+00:00", "kind": "other", "label": "Updated", "source": "csaf_certbund \u00b7 WID-SEC-W-2022-1257", "record": "WID-SEC-W-2022-1257", "field": "document.tracking.current_release_date"}, {"timestamp": "2024-08-03T17:09:09.586Z", "date_only": false, "value": "2024-08-03T17:09:09.586Z", "kind": "other", "label": "Updated", "source": "cvelistv5", "record": "cve-2021-3864", "field": "cveMetadata.dateUpdated"}, {"timestamp": "2024-08-03T17:09:09.586Z", "date_only": false, "value": "2024-08-03T17:09:09.586Z", "kind": "other", "label": "Updated", "source": "cvelistv5 / CVE", "record": "cve-2021-3864", "field": "containers.adp.0.providerMetadata.dateUpdated"}, {"timestamp": "2024-08-15T17:34:22.738Z", "date_only": false, "value": "2024-08-15T17:34:22.738+00:00", "kind": "other", "label": "Document generated", "source": "csaf_certbund \u00b7 WID-SEC-W-2022-1257", "record": "WID-SEC-W-2022-1257", "field": "document.tracking.generator.date"}, {"timestamp": "2025-08-31T03:01:20Z", "date_only": false, "value": "2025-08-31T03:01:20.000000Z", "kind": "sighting", "label": "Seen", "source": "MISP/ab0b745f-bbd5-338e-8b92-97dd0c757e9d", "record": "CVE-2021-3864", "field": "creation_timestamp", "uuid": "cf2d77de-1f0a-444b-aa66-107b6da9b9bf"}, {"timestamp": "2026-03-18T00:00:00Z", "date_only": true, "value": "2026-03-18", "kind": "milestone", "label": "Published", "source": "certfr_avis \u00b7 CERTFR-2026-AVI-0316", "record": "CERTFR-2026-AVI-0316", "field": "vendor_advisories.0.published_at"}, {"timestamp": "2026-03-19T00:00:00Z", "date_only": false, "value": "2026-03-19T00:00:00", "kind": "other", "label": "Last revision date", "source": "certfr_avis \u00b7 CERTFR-2026-AVI-0316", "record": "CERTFR-2026-AVI-0316", "field": "last_revision_date"}, {"timestamp": "2026-03-19T00:00:00Z", "date_only": false, "value": "2026-03-19T00:00:00", "kind": "milestone", "label": "Published", "source": "certfr_avis \u00b7 CERTFR-2026-AVI-0316", "record": "CERTFR-2026-AVI-0316", "field": "initial_release_date"}, {"timestamp": "2026-03-19T00:00:00Z", "date_only": true, "value": "2026-03-19", "kind": "milestone", "label": "Published", "source": "certfr_avis \u00b7 CERTFR-2026-AVI-0326", "record": "CERTFR-2026-AVI-0326", "field": "vendor_advisories.0.published_at"}, {"timestamp": "2026-03-19T00:00:00Z", "date_only": false, "value": "2026-03-19T00:00:00.000000", "kind": "other", "label": "Revision date", "source": "certfr_avis \u00b7 CERTFR-2026-AVI-0316", "record": "CERTFR-2026-AVI-0316", "field": "revisions.0.revision_date"}, {"timestamp": "2026-03-19T00:00:00Z", "date_only": false, "value": "2026-03-19T00:00:00.000000Z", "kind": "sighting", "label": "Seen", "source": "https://www.cert.ssi.gouv.fr/avis/CERTFR-2026-AVI-0316/", "record": "CVE-2021-3864", "field": "creation_timestamp", "uuid": "c7771565-ff8b-4758-8ec0-77aed847e931", "url": 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FKIE_CVE-2021-3864", "record": "FKIE_CVE-2021-3864", "field": "lastModified"}, {"timestamp": "2026-10-17T09:08:02Z", "date_only": false, "value": "2026-10-17T09:08:02Z", "kind": "other", "label": "Updated", "source": "osv_ubuntu \u00b7 UBUNTU-CVE-2021-3864", "record": "UBUNTU-CVE-2021-3864", "field": "modified"}]}