CVE-2016-7796
Vulnerability from cvelistv5
Published
2016-10-13 14:00
Modified
2024-08-06 02:04
Severity ?
Summary
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.
References
cve@mitre.orghttp://lists.opensuse.org/opensuse-security-announce/2016-10/msg00015.htmlThird Party Advisory
cve@mitre.orghttp://lists.opensuse.org/opensuse-security-announce/2016-10/msg00016.htmlThird Party Advisory
cve@mitre.orghttp://rhn.redhat.com/errata/RHSA-2017-0003.html
cve@mitre.orghttp://www.openwall.com/lists/oss-security/2016/09/30/1Third Party Advisory
cve@mitre.orghttp://www.securityfocus.com/bid/93250Third Party Advisory
cve@mitre.orghttp://www.securitytracker.com/id/1037320
cve@mitre.orghttps://bugzilla.redhat.com/show_bug.cgi?id=1381911Issue Tracking, Third Party Advisory, VDB Entry
cve@mitre.orghttps://github.com/systemd/systemd/issues/4234#issuecomment-250441246Exploit, Patch, Vendor Advisory
cve@mitre.orghttps://rhn.redhat.com/errata/RHBA-2015-2092.htmlThird Party Advisory
cve@mitre.orghttps://www.agwa.name/blog/post/how_to_crash_systemd_in_one_tweetExploit, Technical Description, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://lists.opensuse.org/opensuse-security-announce/2016-10/msg00015.htmlThird Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://lists.opensuse.org/opensuse-security-announce/2016-10/msg00016.htmlThird Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://rhn.redhat.com/errata/RHSA-2017-0003.html
af854a3a-2127-422b-91ae-364da2661108http://www.openwall.com/lists/oss-security/2016/09/30/1Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/bid/93250Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://www.securitytracker.com/id/1037320
af854a3a-2127-422b-91ae-364da2661108https://bugzilla.redhat.com/show_bug.cgi?id=1381911Issue Tracking, Third Party Advisory, VDB Entry
af854a3a-2127-422b-91ae-364da2661108https://github.com/systemd/systemd/issues/4234#issuecomment-250441246Exploit, Patch, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://rhn.redhat.com/errata/RHBA-2015-2092.htmlThird Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://www.agwa.name/blog/post/how_to_crash_systemd_in_one_tweetExploit, Technical Description, Third Party Advisory
Impacted products
Vendor Product Version
Show details on NVD website

To clipboard 

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-06T02:04:56.092Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "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"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "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"
            }
          ]
        }
      }
    }
  },
  "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",
  "vulnerability-lookup:meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2016-7796\",\"sourceIdentifier\":\"cve@mitre.org\",\"published\":\"2016-10-13T14:59:14.567\",\"lastModified\":\"2024-11-21T02:58:28.860\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"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.\"}],\"metrics\":{\"cvssMetricV30\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.0\",\"vectorString\":\"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H\",\"baseScore\":5.5,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":1.8,\"impactScore\":3.6}],\"cvssMetricV2\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"2.0\",\"vectorString\":\"AV:L/AC:L/Au:N/C:N/I:N/A:C\",\"baseScore\":4.9,\"accessVector\":\"LOCAL\",\"accessComplexity\":\"LOW\",\"authentication\":\"NONE\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"COMPLETE\"},\"baseSeverity\":\"MEDIUM\",\"exploitabilityScore\":3.9,\"impactScore\":6.9,\"acInsufInfo\":false,\"obtainAllPrivilege\":false,\"obtainUserPrivilege\":false,\"obtainOtherPrivilege\":false,\"userInteractionRequired\":false}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-20\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"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\"}]}]},{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"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\"}]}]},{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"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\"}]}]}],\"references\":[{\"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\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"http://rhn.redhat.com/errata/RHSA-2017-0003.html\",\"source\":\"cve@mitre.org\"},{\"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\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"http://www.securitytracker.com/id/1037320\",\"source\":\"cve@mitre.org\"},{\"url\":\"https://bugzilla.redhat.com/show_bug.cgi?id=1381911\",\"source\":\"cve@mitre.org\",\"tags\":[\"Issue Tracking\",\"Third Party Advisory\",\"VDB Entry\"]},{\"url\":\"https://github.com/systemd/systemd/issues/4234#issuecomment-250441246\",\"source\":\"cve@mitre.org\",\"tags\":[\"Exploit\",\"Patch\",\"Vendor Advisory\"]},{\"url\":\"https://rhn.redhat.com/errata/RHBA-2015-2092.html\",\"source\":\"cve@mitre.org\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://www.agwa.name/blog/post/how_to_crash_systemd_in_one_tweet\",\"source\":\"cve@mitre.org\",\"tags\":[\"Exploit\",\"Technical Description\",\"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\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"http://rhn.redhat.com/errata/RHSA-2017-0003.html\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"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\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"http://www.securitytracker.com/id/1037320\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"https://bugzilla.redhat.com/show_bug.cgi?id=1381911\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Issue Tracking\",\"Third Party Advisory\",\"VDB Entry\"]},{\"url\":\"https://github.com/systemd/systemd/issues/4234#issuecomment-250441246\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Exploit\",\"Patch\",\"Vendor Advisory\"]},{\"url\":\"https://rhn.redhat.com/errata/RHBA-2015-2092.html\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://www.agwa.name/blog/post/how_to_crash_systemd_in_one_tweet\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Exploit\",\"Technical Description\",\"Third Party Advisory\"]}]}}"
  }
}


Log in or create an account to share your comment.




Tags
Taxonomy of the tags.




Sightings

Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
  • Confirmed: The vulnerability is confirmed from an analyst perspective.
  • Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
  • Patched: This vulnerability was successfully patched by the user reporting the sighting.
  • Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
  • Not confirmed: The user expresses doubt about the veracity of the vulnerability.
  • Not patched: This vulnerability was not successfully patched by the user reporting the sighting.