csaf_certbund - wid-sec-w-2023-1071

wid-sec-w-2023-1071

Vulnerability from csaf_certbund

Published

2023-04-24 22:00

Modified

2023-11-14 23:00

Summary

avahi: Schwachstelle ermöglicht Denial of Service

Notes

Das BSI ist als Anbieter für die eigenen, zur Nutzung bereitgestellten Inhalte nach den allgemeinen Gesetzen verantwortlich. Nutzerinnen und Nutzer sind jedoch dafür verantwortlich, die Verwendung und/oder die Umsetzung der mit den Inhalten bereitgestellten Informationen sorgfältig im Einzelfall zu prüfen.

Produktbeschreibung

Avahi ist die Implementierung einer Technik zur Vernetzung von Geräten in einem lokalen Netzwerk, ohne dass diese manuell konfiguriert werden müssen.

Angriff

Ein lokaler Angreifer kann eine Schwachstelle in avahi ausnutzen, um einen Denial of Service Angriff durchzuführen.

Betroffene Betriebssysteme

- Linux

JSON

To clipboard

{
  "document": {
    "aggregate_severity": {
      "text": "mittel"
    },
    "category": "csaf_base",
    "csaf_version": "2.0",
    "distribution": {
      "tlp": {
        "label": "WHITE",
        "url": "https://www.first.org/tlp/"
      }
    },
    "lang": "de-DE",
    "notes": [
      {
        "category": "legal_disclaimer",
        "text": "Das BSI ist als Anbieter f\u00fcr die eigenen, zur Nutzung bereitgestellten Inhalte nach den allgemeinen Gesetzen verantwortlich. Nutzerinnen und Nutzer sind jedoch daf\u00fcr verantwortlich, die Verwendung und/oder die Umsetzung der mit den Inhalten bereitgestellten Informationen sorgf\u00e4ltig im Einzelfall zu pr\u00fcfen."
      },
      {
        "category": "description",
        "text": "Avahi ist die Implementierung einer Technik zur Vernetzung von Ger\u00e4ten in einem lokalen Netzwerk, ohne dass diese manuell konfiguriert werden m\u00fcssen.",
        "title": "Produktbeschreibung"
      },
      {
        "category": "summary",
        "text": "Ein lokaler Angreifer kann eine Schwachstelle in avahi ausnutzen, um einen Denial of Service Angriff durchzuf\u00fchren.",
        "title": "Angriff"
      },
      {
        "category": "general",
        "text": "- Linux",
        "title": "Betroffene Betriebssysteme"
      }
    ],
    "publisher": {
      "category": "other",
      "contact_details": "csaf-provider@cert-bund.de",
      "name": "Bundesamt f\u00fcr Sicherheit in der Informationstechnik",
      "namespace": "https://www.bsi.bund.de"
    },
    "references": [
      {
        "category": "self",
        "summary": "WID-SEC-W-2023-1071 - CSAF Version",
        "url": "https://wid.cert-bund.de/.well-known/csaf/white/2023/wid-sec-w-2023-1071.json"
      },
      {
        "category": "self",
        "summary": "WID-SEC-2023-1071 - Portal Version",
        "url": "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2023-1071"
      },
      {
        "category": "external",
        "summary": "Red Hat Security Advisory RHSA-2023:7190 vom 2023-11-15",
        "url": "https://access.redhat.com/errata/RHSA-2023:7190"
      },
      {
        "category": "external",
        "summary": "Red Hat Security Advisory RHSA-2023:6707 vom 2023-11-07",
        "url": "https://access.redhat.com/errata/RHSA-2023:6707"
      },
      {
        "category": "external",
        "summary": "Ubuntu Security Notice USN-6129-2 vom 2023-07-25",
        "url": "https://ubuntu.com/security/notices/USN-6129-2"
      },
      {
        "category": "external",
        "summary": "Amazon Linux Security Advisory ALAS2-2023-2161 vom 2023-07-26",
        "url": "https://alas.aws.amazon.com/AL2/ALAS-2023-2161.html"
      },
      {
        "category": "external",
        "summary": "Ubuntu Security Notice USN-6129-1 vom 2023-06-01",
        "url": "https://ubuntu.com/security/notices/USN-6129-1"
      },
      {
        "category": "external",
        "summary": "Debian Security Advisory DLA-3414 vom 2023-05-03",
        "url": "https://lists.debian.org/debian-lts-announce/2023/05/msg00004.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2023:1993-1 vom 2023-04-25",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2023-April/014577.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2023:1994-1 vom 2023-04-25",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2023-April/014576.html"
      },
      {
        "category": "external",
        "summary": "SuSE Announcement ID: SUSE-SU-2023:1956-1",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2023-April/014559.html"
      },
      {
        "category": "external",
        "summary": "RedHat Bugzilla vom 2023-04-24",
        "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2185911"
      }
    ],
    "source_lang": "en-US",
    "title": "avahi: Schwachstelle erm\u00f6glicht Denial of Service",
    "tracking": {
      "current_release_date": "2023-11-14T23:00:00.000+00:00",
      "generator": {
        "date": "2024-02-15T17:25:42.214+00:00",
        "engine": {
          "name": "BSI-WID",
          "version": "1.3.0"
        }
      },
      "id": "WID-SEC-W-2023-1071",
      "initial_release_date": "2023-04-24T22:00:00.000+00:00",
      "revision_history": [
        {
          "date": "2023-04-24T22:00:00.000+00:00",
          "number": "1",
          "summary": "Initiale Fassung"
        },
        {
          "date": "2023-05-02T22:00:00.000+00:00",
          "number": "2",
          "summary": "Neue Updates von Debian aufgenommen"
        },
        {
          "date": "2023-06-01T22:00:00.000+00:00",
          "number": "3",
          "summary": "Neue Updates von Ubuntu aufgenommen"
        },
        {
          "date": "2023-07-25T22:00:00.000+00:00",
          "number": "4",
          "summary": "Neue Updates von Amazon und Ubuntu aufgenommen"
        },
        {
          "date": "2023-11-07T23:00:00.000+00:00",
          "number": "5",
          "summary": "Neue Updates von Red Hat aufgenommen"
        },
        {
          "date": "2023-11-14T23:00:00.000+00:00",
          "number": "6",
          "summary": "Neue Updates von Red Hat aufgenommen"
        }
      ],
      "status": "final",
      "version": "6"
    }
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "category": "product_name",
            "name": "Amazon Linux 2",
            "product": {
              "name": "Amazon Linux 2",
              "product_id": "398363",
              "product_identification_helper": {
                "cpe": "cpe:/o:amazon:linux_2:-"
              }
            }
          }
        ],
        "category": "vendor",
        "name": "Amazon"
      },
      {
        "branches": [
          {
            "category": "product_name",
            "name": "Debian Linux",
            "product": {
              "name": "Debian Linux",
              "product_id": "2951",
              "product_identification_helper": {
                "cpe": "cpe:/o:debian:debian_linux:-"
              }
            }
          }
        ],
        "category": "vendor",
        "name": "Debian"
      },
      {
        "branches": [
          {
            "category": "product_name",
            "name": "Open Source avahi",
            "product": {
              "name": "Open Source avahi",
              "product_id": "T017241",
              "product_identification_helper": {
                "cpe": "cpe:/a:avahi:avahi:-"
              }
            }
          }
        ],
        "category": "vendor",
        "name": "Open Source"
      },
      {
        "branches": [
          {
            "category": "product_name",
            "name": "Red Hat Enterprise Linux",
            "product": {
              "name": "Red Hat Enterprise Linux",
              "product_id": "67646",
              "product_identification_helper": {
                "cpe": "cpe:/o:redhat:enterprise_linux:-"
              }
            }
          }
        ],
        "category": "vendor",
        "name": "Red Hat"
      },
      {
        "branches": [
          {
            "category": "product_name",
            "name": "SUSE Linux",
            "product": {
              "name": "SUSE Linux",
              "product_id": "T002207",
              "product_identification_helper": {
                "cpe": "cpe:/o:suse:suse_linux:-"
              }
            }
          }
        ],
        "category": "vendor",
        "name": "SUSE"
      },
      {
        "branches": [
          {
            "category": "product_name",
            "name": "Ubuntu Linux",
            "product": {
              "name": "Ubuntu Linux",
              "product_id": "T000126",
              "product_identification_helper": {
                "cpe": "cpe:/o:canonical:ubuntu_linux:-"
              }
            }
          }
        ],
        "category": "vendor",
        "name": "Ubuntu"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2023-1981",
      "notes": [
        {
          "category": "description",
          "text": "Es existiert eine Schwachstelle in avahi. Aufgrund einer ungen\u00fcgenden \u00dcberpr\u00fcfung von Nutzereingaben, kann ein lokaler Angreifer \u00fcber einen speziell bearbeiteten DBUS-Aufruf an den Daemon einen Denial of Service verursachen."
        }
      ],
      "product_status": {
        "known_affected": [
          "2951",
          "T002207",
          "67646",
          "T000126",
          "398363",
          "T017241"
        ]
      },
      "release_date": "2023-04-24T22:00:00Z",
      "title": "CVE-2023-1981"
    }
  ]
}

cve-2023-1981

Vulnerability from cvelistv5

Published

2023-05-26 00:00

Modified

2024-08-02 06:05

Severity ?

Summary

A vulnerability was found in the avahi library. This flaw allows an unprivileged user to make a dbus call, causing the avahi daemon to crash.

References

▼	URL	Tags
	https://access.redhat.com/security/cve/CVE-2023-1981
	https://bugzilla.redhat.com/show_bug.cgi?id=2185911
	https://github.com/lathiat/avahi/issues/375

Impacted products

▼	Vendor	Product
	n/a	avahi

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-02T06:05:27.096Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://access.redhat.com/security/cve/CVE-2023-1981"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2185911"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://github.com/lathiat/avahi/issues/375"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "avahi",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "avahi-0.7-20"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "A vulnerability was found in the avahi library. This flaw allows an unprivileged user to make a dbus call, causing the avahi daemon to crash."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-400",
              "description": "CWE-400",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2023-05-26T00:00:00",
        "orgId": "53f830b8-0a3f-465b-8143-3b8a9948e749",
        "shortName": "redhat"
      },
      "references": [
        {
          "url": "https://access.redhat.com/security/cve/CVE-2023-1981"
        },
        {
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2185911"
        },
        {
          "url": "https://github.com/lathiat/avahi/issues/375"
        }
      ]
    }
  },
  "cveMetadata": {
    "assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749",
    "assignerShortName": "redhat",
    "cveId": "CVE-2023-1981",
    "datePublished": "2023-05-26T00:00:00",
    "dateReserved": "2023-04-11T00:00:00",
    "dateUpdated": "2024-08-02T06:05:27.096Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

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.

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