{"containers": {"cna": {"affected": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "datePublic": "2016-09-28T00:00:00", "descriptions": [{"lang": "en", "value": "The manager_dispatch_notify_fd function in systemd allows local users to cause a denial of service (system hang) via a zero-length message received over a notify socket, which causes an error to be returned and the notification handler to be disabled."}], "problemTypes": [{"descriptions": [{"description": "n/a", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2017-07-27T09:57:01", "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre"}, "references": [{"name": "[oss-security] 20160930 Re: CVE Request: systemd v209+: local denial-of-service attack", "tags": ["mailing-list", "x_refsource_MLIST"], "url": "http://www.openwall.com/lists/oss-security/2016/09/30/1"}, {"tags": ["x_refsource_MISC"], "url": "https://www.agwa.name/blog/post/how_to_crash_systemd_in_one_tweet"}, {"tags": ["x_refsource_CONFIRM"], "url": "https://github.com/systemd/systemd/issues/4234#issuecomment-250441246"}, {"name": "SUSE-SU-2016:2475", "tags": ["vendor-advisory", "x_refsource_SUSE"], "url": "http://lists.opensuse.org/opensuse-security-announce/2016-10/msg00015.html"}, {"tags": ["x_refsource_CONFIRM"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1381911"}, {"name": "RHSA-2017:0003", "tags": ["vendor-advisory", "x_refsource_REDHAT"], "url": "http://rhn.redhat.com/errata/RHSA-2017-0003.html"}, {"name": "SUSE-SU-2016:2476", "tags": ["vendor-advisory", "x_refsource_SUSE"], "url": "http://lists.opensuse.org/opensuse-security-announce/2016-10/msg00016.html"}, {"name": "1037320", "tags": ["vdb-entry", "x_refsource_SECTRACK"], "url": "http://www.securitytracker.com/id/1037320"}, {"name": "93250", "tags": ["vdb-entry", "x_refsource_BID"], "url": "http://www.securityfocus.com/bid/93250"}, {"name": "RHBA-2015:2092", "tags": ["vendor-advisory", "x_refsource_REDHAT"], "url": "https://rhn.redhat.com/errata/RHBA-2015-2092.html"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "cve@mitre.org", "ID": "CVE-2016-7796", "STATE": "PUBLIC"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "n/a", "version": {"version_data": [{"version_value": "n/a"}]}}]}, "vendor_name": "n/a"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "The manager_dispatch_notify_fd function in systemd allows local users to cause a denial of service (system hang) via a zero-length message received over a notify socket, which causes an error to be returned and the notification handler to be disabled."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "n/a"}]}]}, "references": {"reference_data": [{"name": "[oss-security] 20160930 Re: CVE Request: systemd v209+: local denial-of-service attack", "refsource": "MLIST", "url": "http://www.openwall.com/lists/oss-security/2016/09/30/1"}, {"name": "https://www.agwa.name/blog/post/how_to_crash_systemd_in_one_tweet", "refsource": "MISC", "url": "https://www.agwa.name/blog/post/how_to_crash_systemd_in_one_tweet"}, {"name": "https://github.com/systemd/systemd/issues/4234#issuecomment-250441246", "refsource": "CONFIRM", "url": "https://github.com/systemd/systemd/issues/4234#issuecomment-250441246"}, {"name": "SUSE-SU-2016:2475", "refsource": "SUSE", "url": "http://lists.opensuse.org/opensuse-security-announce/2016-10/msg00015.html"}, {"name": "https://bugzilla.redhat.com/show_bug.cgi?id=1381911", "refsource": "CONFIRM", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1381911"}, {"name": "RHSA-2017:0003", "refsource": "REDHAT", "url": "http://rhn.redhat.com/errata/RHSA-2017-0003.html"}, {"name": "SUSE-SU-2016:2476", "refsource": "SUSE", "url": "http://lists.opensuse.org/opensuse-security-announce/2016-10/msg00016.html"}, {"name": "1037320", "refsource": "SECTRACK", "url": "http://www.securitytracker.com/id/1037320"}, {"name": "93250", "refsource": "BID", "url": "http://www.securityfocus.com/bid/93250"}, {"name": "RHBA-2015:2092", "refsource": "REDHAT", "url": "https://rhn.redhat.com/errata/RHBA-2015-2092.html"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-06T02:04:56.092Z"}, "title": "CVE Program Container", "references": [{"name": "[oss-security] 20160930 Re: CVE Request: systemd v209+: local denial-of-service attack", "tags": ["mailing-list", "x_refsource_MLIST", "x_transferred"], "url": "http://www.openwall.com/lists/oss-security/2016/09/30/1"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://www.agwa.name/blog/post/how_to_crash_systemd_in_one_tweet"}, {"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "https://github.com/systemd/systemd/issues/4234#issuecomment-250441246"}, {"name": "SUSE-SU-2016:2475", "tags": ["vendor-advisory", "x_refsource_SUSE", "x_transferred"], "url": "http://lists.opensuse.org/opensuse-security-announce/2016-10/msg00015.html"}, {"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1381911"}, {"name": "RHSA-2017:0003", "tags": ["vendor-advisory", "x_refsource_REDHAT", "x_transferred"], "url": "http://rhn.redhat.com/errata/RHSA-2017-0003.html"}, {"name": "SUSE-SU-2016:2476", "tags": ["vendor-advisory", "x_refsource_SUSE", "x_transferred"], "url": "http://lists.opensuse.org/opensuse-security-announce/2016-10/msg00016.html"}, {"name": "1037320", "tags": ["vdb-entry", "x_refsource_SECTRACK", "x_transferred"], "url": "http://www.securitytracker.com/id/1037320"}, {"name": "93250", "tags": ["vdb-entry", "x_refsource_BID", "x_transferred"], "url": "http://www.securityfocus.com/bid/93250"}, {"name": "RHBA-2015:2092", "tags": ["vendor-advisory", "x_refsource_REDHAT", "x_transferred"], "url": "https://rhn.redhat.com/errata/RHBA-2015-2092.html"}]}]}, "cveMetadata": {"assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "assignerShortName": "mitre", "cveId": "CVE-2016-7796", "datePublished": "2016-10-13T14:00:00", "dateReserved": "2016-09-09T00:00:00", "dateUpdated": "2024-08-06T02:04:56.092Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

{}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:systemd_project:systemd:209:*:*:*:*:*:*:*", "matchCriteriaId": "D9C4D716-A579-4E00-BB40-225555EC1610", "vulnerable": true}, {"criteria": "cpe:2.3:a:systemd_project:systemd:213:*:*:*:*:*:*:*", "matchCriteriaId": "76487F68-8C55-4603-BEE3-B10DFF8C387C", "vulnerable": true}, {"criteria": "cpe:2.3:a:systemd_project:systemd:214:*:*:*:*:*:*:*", "matchCriteriaId": "8AC2D908-4E64-46E8-9C48-E1FD1B5017A3", "vulnerable": true}, {"criteria": "cpe:2.3:a:systemd_project:systemd:229:*:*:*:*:*:*:*", "matchCriteriaId": "60DD52ED-400F-4E9C-B9C3-907DE5ABCBC3", "vulnerable": true}], "negate": false, "operator": "OR"}]}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:novell:suse_linux_enterprise_software_development_kit:12.0:sp1:*:*:*:*:*:*", "matchCriteriaId": "01E6CAD9-DC1F-4C7C-8C8E-98E4BFABAC94", "vulnerable": true}, {"criteria": "cpe:2.3:o:novell:suse_linux_enterprise_desktop:12:sp1:*:*:*:*:*:*", "matchCriteriaId": "BCEA3D62-99E0-48F9-A0CF-981BF28A509D", "vulnerable": true}, {"criteria": "cpe:2.3:o:novell:suse_linux_enterprise_server:12.0:*:*:*:ltss:*:*:*", "matchCriteriaId": "6AB85D92-66AE-4747-BE69-60479D178544", "vulnerable": true}, {"criteria": "cpe:2.3:o:novell:suse_linux_enterprise_server:12.0:sp1:*:*:*:*:*:*", "matchCriteriaId": "81D94366-47D6-445A-A811-39327B150FCD", "vulnerable": true}, {"criteria": "cpe:2.3:o:novell:suse_linux_enterprise_server_for_sap:12.0:*:*:*:*:*:*:*", "matchCriteriaId": "B1CAEB29-5FEF-4713-847F-0059E6BD843E", "vulnerable": true}], "negate": false, "operator": "OR"}]}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:*", "matchCriteriaId": "33C068A4-3780-4EAB-A937-6082DF847564", "vulnerable": true}, {"criteria": "cpe:2.3:o:redhat:enterprise_linux_hpc_node:7.0:*:*:*:*:*:*:*", "matchCriteriaId": "3C84489B-B08C-4854-8A12-D01B6E45CF79", "vulnerable": true}, {"criteria": "cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:*", "matchCriteriaId": "51EF4996-72F4-4FA4-814F-F5991E7A8318", "vulnerable": true}, {"criteria": "cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:*:*:*:*:*:*:*", "matchCriteriaId": "825ECE2D-E232-46E0-A047-074B34DB1E97", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "descriptions": [{"lang": "en", "value": "The manager_dispatch_notify_fd function in systemd allows local users to cause a denial of service (system hang) via a zero-length message received over a notify socket, which causes an error to be returned and the notification handler to be disabled."}, {"lang": "es", "value": "La funci\u00f3n manager_dispatch_notify_fd en systemd permite a usuarios locales provocar una denegaci\u00f3n de servicio (colgado de sistema) a trav\u00e9s de un mensaje de longitud cero recibido sobre una notificaci\u00f3n de encaje, lo que provoca que se devuelva un error y que el controlador de notificaci\u00f3n se desactive."}], "id": "CVE-2016-7796", "lastModified": "2024-11-21T02:58:28.860", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "LOCAL", "authentication": "NONE", "availabilityImpact": "COMPLETE", "baseScore": 4.9, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:L/AC:L/Au:N/C:N/I:N/A:C", "version": "2.0"}, "exploitabilityScore": 3.9, "impactScore": 6.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV30": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 5.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.0"}, "exploitabilityScore": 1.8, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2016-10-13T14:59:14.567", "references": [{"source": "cve@mitre.org", "tags": ["Third Party Advisory"], "url": "http://lists.opensuse.org/opensuse-security-announce/2016-10/msg00015.html"}, {"source": "cve@mitre.org", "tags": ["Third Party Advisory"], "url": "http://lists.opensuse.org/opensuse-security-announce/2016-10/msg00016.html"}, {"source": "cve@mitre.org", "url": "http://rhn.redhat.com/errata/RHSA-2017-0003.html"}, {"source": "cve@mitre.org", "tags": ["Third Party Advisory"], "url": "http://www.openwall.com/lists/oss-security/2016/09/30/1"}, {"source": "cve@mitre.org", "tags": ["Third Party Advisory"], "url": "http://www.securityfocus.com/bid/93250"}, {"source": "cve@mitre.org", "url": "http://www.securitytracker.com/id/1037320"}, {"source": "cve@mitre.org", "tags": ["Issue Tracking", "Third Party Advisory", "VDB Entry"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1381911"}, {"source": "cve@mitre.org", "tags": ["Exploit", "Patch", "Vendor Advisory"], "url": "https://github.com/systemd/systemd/issues/4234#issuecomment-250441246"}, {"source": "cve@mitre.org", "tags": ["Third Party Advisory"], "url": "https://rhn.redhat.com/errata/RHBA-2015-2092.html"}, {"source": "cve@mitre.org", "tags": ["Exploit", "Technical Description", "Third Party Advisory"], "url": "https://www.agwa.name/blog/post/how_to_crash_systemd_in_one_tweet"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "http://lists.opensuse.org/opensuse-security-announce/2016-10/msg00015.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "http://lists.opensuse.org/opensuse-security-announce/2016-10/msg00016.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://rhn.redhat.com/errata/RHSA-2017-0003.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "http://www.openwall.com/lists/oss-security/2016/09/30/1"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "http://www.securityfocus.com/bid/93250"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.securitytracker.com/id/1037320"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Issue Tracking", "Third Party Advisory", "VDB Entry"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1381911"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Patch", "Vendor Advisory"], "url": "https://github.com/systemd/systemd/issues/4234#issuecomment-250441246"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://rhn.redhat.com/errata/RHBA-2015-2092.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Technical Description", "Third Party Advisory"], "url": "https://www.agwa.name/blog/post/how_to_crash_systemd_in_one_tweet"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-20"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"affected_release": [{"advisory": "RHBA-2015:2092", "cpe": "cpe:/o:redhat:enterprise_linux:7", "package": "systemd-0:219-19.el7", "product_name": "Red Hat Enterprise Linux 7", "release_date": "2015-11-19T00:00:00Z"}, {"advisory": "RHSA-2017:0003", "cpe": "cpe:/o:redhat:rhel_eus:7.1", "package": "systemd-0:208-20.el7_1.9", "product_name": "Red Hat Enterprise Linux 7.1 Extended Update Support", "release_date": "2017-01-03T00:00:00Z"}], "bugzilla": {"description": "systemd: freeze when PID 1 receives a zero-length message over notify socket", "id": "1381911", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1381911"}, "csaw": false, "cvss": {"cvss_base_score": "5.6", "cvss_scoring_vector": "AV:L/AC:L/Au:N/C:N/I:P/A:C", "status": "verified"}, "cvss3": {"cvss3_base_score": "6.8", "cvss3_scoring_vector": "CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H", "status": "verified"}, "cwe": "CWE-253", "details": ["The manager_dispatch_notify_fd function in systemd allows local users to cause a denial of service (system hang) via a zero-length message received over a notify socket, which causes an error to be returned and the notification handler to be disabled.", "A flaw was found in the way systemd handled empty notification messages. A local attacker could use this flaw to make systemd freeze its execution, preventing further management of system services, system shutdown, or zombie process collection via systemd."], "name": "CVE-2016-7796", "public_date": "2016-09-28T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2016-7796\nhttps://nvd.nist.gov/vuln/detail/CVE-2016-7796"], "threat_severity": "Moderate"}