CVE-2019-5606

{"containers": {"cna": {"affected": [{"product": "FreeBSD", "vendor": "FreeBSD", "versions": [{"status": "affected", "version": "FreeBSD before 12.0-RELEASE-p8"}, {"status": "affected", "version": "before 11.3-RELEASE-p1"}, {"status": "affected", "version": "and before 11.2-RELEASE-p12"}]}], "descriptions": [{"lang": "en", "value": "In FreeBSD 12.0-STABLE before r349805, 12.0-RELEASE before 12.0-RELEASE-p8, 11.3-STABLE before r349806, 11.3-RELEASE before 11.3-RELEASE-p1, and 11.2-RELEASE before 11.2-RELEASE-p12, code which handles close of a descriptor created by posix_openpt fails to undo a signal configuration. This causes an incorrect signal to be raised leading to a write after free of kernel memory allowing a malicious user to gain root privileges or escape a jail."}], "problemTypes": [{"descriptions": [{"description": "Kernel use after free", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2019-08-14T17:06:12.000Z", "orgId": "63664ac6-956c-4cba-a5d0-f46076e16109", "shortName": "freebsd"}, "references": [{"name": "FreeBSD-SA-19:13", "tags": ["vendor-advisory", "x_refsource_FREEBSD"], "url": "https://security.FreeBSD.org/advisories/FreeBSD-SA-19:13.pts.asc"}, {"tags": ["x_refsource_MISC"], "url": "http://packetstormsecurity.com/files/153748/FreeBSD-Security-Advisory-FreeBSD-SA-19-13.pts.html"}, {"tags": ["x_refsource_CONFIRM"], "url": "https://security.netapp.com/advisory/ntap-20190814-0003/"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "secteam@freebsd.org", "ID": "CVE-2019-5606", "STATE": "PUBLIC"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "FreeBSD", "version": {"version_data": [{"version_value": "FreeBSD before 12.0-RELEASE-p8"}, {"version_value": "before 11.3-RELEASE-p1"}, {"version_value": "and before 11.2-RELEASE-p12"}]}}]}, "vendor_name": "FreeBSD"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "In FreeBSD 12.0-STABLE before r349805, 12.0-RELEASE before 12.0-RELEASE-p8, 11.3-STABLE before r349806, 11.3-RELEASE before 11.3-RELEASE-p1, and 11.2-RELEASE before 11.2-RELEASE-p12, code which handles close of a descriptor created by posix_openpt fails to undo a signal configuration. This causes an incorrect signal to be raised leading to a write after free of kernel memory allowing a malicious user to gain root privileges or escape a jail."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "Kernel use after free"}]}]}, "references": {"reference_data": [{"name": "FreeBSD-SA-19:13", "refsource": "FREEBSD", "url": "https://security.FreeBSD.org/advisories/FreeBSD-SA-19:13.pts.asc"}, {"name": "http://packetstormsecurity.com/files/153748/FreeBSD-Security-Advisory-FreeBSD-SA-19-13.pts.html", "refsource": "MISC", "url": "http://packetstormsecurity.com/files/153748/FreeBSD-Security-Advisory-FreeBSD-SA-19-13.pts.html"}, {"name": "https://security.netapp.com/advisory/ntap-20190814-0003/", "refsource": "CONFIRM", "url": "https://security.netapp.com/advisory/ntap-20190814-0003/"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T20:01:51.956Z"}, "title": "CVE Program Container", "references": [{"name": "FreeBSD-SA-19:13", "tags": ["vendor-advisory", "x_refsource_FREEBSD", "x_transferred"], "url": "https://security.FreeBSD.org/advisories/FreeBSD-SA-19:13.pts.asc"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "http://packetstormsecurity.com/files/153748/FreeBSD-Security-Advisory-FreeBSD-SA-19-13.pts.html"}, {"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "https://security.netapp.com/advisory/ntap-20190814-0003/"}]}]}, "cveMetadata": {"assignerOrgId": "63664ac6-956c-4cba-a5d0-f46076e16109", "assignerShortName": "freebsd", "cveId": "CVE-2019-5606", "datePublished": "2019-07-26T00:33:33.000Z", "dateReserved": "2019-01-07T00:00:00.000Z", "dateUpdated": "2024-08-04T20:01:51.956Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

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{"affected": [{"affectedData": [{"product": "FreeBSD", "vendor": "FreeBSD", "versions": [{"status": "affected", "version": "FreeBSD before 12.0-RELEASE-p8"}, {"status": "affected", "version": "before 11.3-RELEASE-p1"}, {"status": "affected", "version": "and before 11.2-RELEASE-p12"}]}], "source": "secteam@freebsd.org"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:freebsd:freebsd:11.0:-:*:*:*:*:*:*", "matchCriteriaId": "B4DCF469-DF3A-49F3-9621-F5253893F273", "vulnerable": true}, {"criteria": "cpe:2.3:o:freebsd:freebsd:11.2:-:*:*:*:*:*:*", "matchCriteriaId": "3ACD1D8D-B3BC-4E99-B846-90A4071DB87B", "vulnerable": true}, {"criteria": "cpe:2.3:o:freebsd:freebsd:11.3:-:*:*:*:*:*:*", "matchCriteriaId": "F35957CE-AF9F-40CA-BDD1-FA6A0E73783F", "vulnerable": true}, {"criteria": "cpe:2.3:o:freebsd:freebsd:12.0:-:*:*:*:*:*:*", "matchCriteriaId": "826B53C2-517F-4FC6-92E8-E7FCB24F91B4", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In FreeBSD 12.0-STABLE before r349805, 12.0-RELEASE before 12.0-RELEASE-p8, 11.3-STABLE before r349806, 11.3-RELEASE before 11.3-RELEASE-p1, and 11.2-RELEASE before 11.2-RELEASE-p12, code which handles close of a descriptor created by posix_openpt fails to undo a signal configuration. This causes an incorrect signal to be raised leading to a write after free of kernel memory allowing a malicious user to gain root privileges or escape a jail."}, {"lang": "es", "value": "En FreeBSD versi\u00f3n 12.0-STABLE anterior a r349805, versi\u00f3n 12.0-RELEASE anterior a 12.0-RELEASE-p8, versi\u00f3n 11.3-STABLE anterior a r349806, versi\u00f3n 11.3-RELEASE anterior a 11.3-RELEASE-p1, y versi\u00f3n 11.2-RELEASE anterior a 11.2-RELEASE-p12, el c\u00f3digo que maneja el cierre de un descriptor creado por posix_openpt no puede deshacer una configuraci\u00f3n de la se\u00f1al. Esto causa que una se\u00f1al incorrecta sea generada conduciendo a una escritura despu\u00e9s de liberar la memoria del kernel, lo que permite a un usuario malicioso alcanzar privilegios de root o escapar de una jaula.."}], "id": "CVE-2019-5606", "lastModified": "2026-06-17T02:37:55.830", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "HIGH", "cvssData": {"accessComplexity": "LOW", "accessVector": "LOCAL", "authentication": "NONE", "availabilityImpact": "COMPLETE", "baseScore": 7.2, "confidentialityImpact": "COMPLETE", "integrityImpact": "COMPLETE", "vectorString": "AV:L/AC:L/Au:N/C:C/I:C/A:C", "version": "2.0"}, "exploitabilityScore": 3.9, "impactScore": 10.0, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2019-07-26T01:15:10.923", "references": [{"source": "secteam@freebsd.org", "tags": ["Third Party Advisory", "VDB Entry"], "url": "http://packetstormsecurity.com/files/153748/FreeBSD-Security-Advisory-FreeBSD-SA-19-13.pts.html"}, {"source": "secteam@freebsd.org", "tags": ["Vendor Advisory"], "url": "https://security.FreeBSD.org/advisories/FreeBSD-SA-19:13.pts.asc"}, {"source": "secteam@freebsd.org", "tags": ["Third Party Advisory"], "url": "https://security.netapp.com/advisory/ntap-20190814-0003/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory", "VDB Entry"], "url": "http://packetstormsecurity.com/files/153748/FreeBSD-Security-Advisory-FreeBSD-SA-19-13.pts.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://security.FreeBSD.org/advisories/FreeBSD-SA-19:13.pts.asc"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://security.netapp.com/advisory/ntap-20190814-0003/"}], "sourceIdentifier": "secteam@freebsd.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-416"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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