FKIE_CVE-2016-7795

Vulnerability from fkie_nvd - Published: 2016-10-13 14:59 - Updated: 2026-06-17 00:53
Summary
The manager_invoke_notify_message function in systemd 231 and earlier allows local users to cause a denial of service (assertion failure and PID 1 hang) via a zero-length message received over a notify socket.
References
cve@mitre.orghttp://rhn.redhat.com/errata/RHSA-2016-2610.html
cve@mitre.orghttp://rhn.redhat.com/errata/RHSA-2016-2694.html
cve@mitre.orghttp://www.openwall.com/lists/oss-security/2016/09/28/9Third Party Advisory
cve@mitre.orghttp://www.openwall.com/lists/oss-security/2016/09/30/1Third Party Advisory
cve@mitre.orghttp://www.securityfocus.com/bid/93223Third Party Advisory, VDB Entry
cve@mitre.orghttp://www.securitytracker.com/id/1037320
cve@mitre.orghttp://www.ubuntu.com/usn/USN-3094-1Third Party Advisory
cve@mitre.orghttps://github.com/systemd/systemd/issues/4234Exploit, Patch, Third 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://rhn.redhat.com/errata/RHSA-2016-2610.html
af854a3a-2127-422b-91ae-364da2661108http://rhn.redhat.com/errata/RHSA-2016-2694.html
af854a3a-2127-422b-91ae-364da2661108http://www.openwall.com/lists/oss-security/2016/09/28/9Third Party Advisory
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/93223Third Party Advisory, VDB Entry
af854a3a-2127-422b-91ae-364da2661108http://www.securitytracker.com/id/1037320
af854a3a-2127-422b-91ae-364da2661108http://www.ubuntu.com/usn/USN-3094-1Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://github.com/systemd/systemd/issues/4234Exploit, Patch, Third 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
canonical ubuntu_linux 16.04
systemd_project systemd *

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "source": "cve@mitre.org"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*",
              "matchCriteriaId": "F7016A2A-8365-4F1A-89A2-7A19F2BCAE5B",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    },
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:systemd_project:systemd:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "F70C8521-2E57-48AD-A421-FB79054915D3",
              "versionEndIncluding": "231",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "The manager_invoke_notify_message function in systemd 231 and earlier allows local users to cause a denial of service (assertion failure and PID 1 hang) via a zero-length message received over a notify socket."
    },
    {
      "lang": "es",
      "value": "La funci\u00f3n manager_invoke_notify_message en systemd 231 y versiones anteriores permite a usuarios locales provocar una denegaci\u00f3n de servicio (fallo de afirmaci\u00f3n y colgado de PID 1) a trav\u00e9s de un mensaje de longitud cero recibido sobre una notificaci\u00f3n de encaje."
    }
  ],
  "id": "CVE-2016-7795",
  "lastModified": "2026-06-17T00:53:30.620",
  "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": "2016-10-13T14:59:13.473",
  "references": [
    {
      "source": "cve@mitre.org",
      "url": "http://rhn.redhat.com/errata/RHSA-2016-2610.html"
    },
    {
      "source": "cve@mitre.org",
      "url": "http://rhn.redhat.com/errata/RHSA-2016-2694.html"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "http://www.openwall.com/lists/oss-security/2016/09/28/9"
    },
    {
      "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",
        "VDB Entry"
      ],
      "url": "http://www.securityfocus.com/bid/93223"
    },
    {
      "source": "cve@mitre.org",
      "url": "http://www.securitytracker.com/id/1037320"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "http://www.ubuntu.com/usn/USN-3094-1"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Exploit",
        "Patch",
        "Third Party Advisory"
      ],
      "url": "https://github.com/systemd/systemd/issues/4234"
    },
    {
      "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",
      "url": "http://rhn.redhat.com/errata/RHSA-2016-2610.html"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://rhn.redhat.com/errata/RHSA-2016-2694.html"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "http://www.openwall.com/lists/oss-security/2016/09/28/9"
    },
    {
      "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",
        "VDB Entry"
      ],
      "url": "http://www.securityfocus.com/bid/93223"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://www.securitytracker.com/id/1037320"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "http://www.ubuntu.com/usn/USN-3094-1"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Exploit",
        "Patch",
        "Third Party Advisory"
      ],
      "url": "https://github.com/systemd/systemd/issues/4234"
    },
    {
      "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"
    }
  ]
}



Log in or create an account to share your comment.




Tags
Taxonomy of the tags.


Loading…

Loading…

Loading…

Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Loading…

Loading…

Loading…

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.


Loading…