wid-sec-w-2022-0885
Vulnerability from csaf_certbund
Published
2021-11-24 23:00
Modified
2024-04-01 22:00
Summary
libvirt: 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
Libvirt ist eine Bibliothek, die Schnittstellen zu den Virtualisierungsfunktionen von Linux anbietet und Werkzeuge zur Verwaltung von virtualisierten Systemen zur Verfügung stellt.
Angriff
Ein lokaler Angreifer kann eine Schwachstelle in libvirt ausnutzen, um einen Denial of Service Angriff durchzuführen.
Betroffene Betriebssysteme
- Appliance - Linux


To clipboard 

{
  "document": {
    "aggregate_severity": {
      "text": "niedrig"
    },
    "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": "Libvirt ist eine Bibliothek, die Schnittstellen zu den Virtualisierungsfunktionen von Linux anbietet und Werkzeuge zur Verwaltung von virtualisierten Systemen zur Verf\u00fcgung stellt.",
        "title": "Produktbeschreibung"
      },
      {
        "category": "summary",
        "text": "Ein lokaler Angreifer kann eine Schwachstelle in libvirt ausnutzen, um einen Denial of Service Angriff durchzuf\u00fchren.",
        "title": "Angriff"
      },
      {
        "category": "general",
        "text": "- Appliance\n- 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-2022-0885 - CSAF Version",
        "url": "https://wid.cert-bund.de/.well-known/csaf/white/2021/wid-sec-w-2022-0885.json"
      },
      {
        "category": "self",
        "summary": "WID-SEC-2022-0885 - Portal Version",
        "url": "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2022-0885"
      },
      {
        "category": "external",
        "summary": "Red Hat Bugzilla - Bug 2024326 vom 2021-11-24",
        "url": "http://bugzilla.redhat.com/show_bug.cgi?id=2024326"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2022:0031-1 vom 2022-01-05",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2022-January/009969.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2022:0032-1 vom 2022-01-05",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2022-January/009972.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2022:0042-1 vom 2022-01-10",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2022-January/009982.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2022:0041-1 vom 2022-01-10",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2022-January/009983.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2022:0045-1 vom 2022-01-11",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2022-January/009990.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2022:0128-1 vom 2022-01-19",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2022-January/010027.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2022:0045-2 vom 2022-02-17",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2022-February/010236.html"
      },
      {
        "category": "external",
        "summary": "Ubuntu Security Notice USN-5399-1 vom 2022-05-02",
        "url": "https://ubuntu.com/security/notices/USN-5399-1"
      },
      {
        "category": "external",
        "summary": "Red Hat Security Advisory RHSA-2022:1759 vom 2022-05-10",
        "url": "https://access.redhat.com/errata/RHSA-2022:1759"
      },
      {
        "category": "external",
        "summary": "AVAYA Security Advisory ASA-2022-062 vom 2022-05-13",
        "url": "https://downloads.avaya.com/css/P8/documents/101081791"
      },
      {
        "category": "external",
        "summary": "Oracle Linux Security Advisory ELSA-2022-9668 vom 2022-08-02",
        "url": "http://linux.oracle.com/errata/ELSA-2022-9668.html"
      },
      {
        "category": "external",
        "summary": "Debian Security Advisory DLA-3778 vom 2024-04-01",
        "url": "https://lists.debian.org/debian-lts-announce/2024/04/msg00000.html"
      }
    ],
    "source_lang": "en-US",
    "title": "libvirt: Schwachstelle erm\u00f6glicht Denial of Service",
    "tracking": {
      "current_release_date": "2024-04-01T22:00:00.000+00:00",
      "generator": {
        "date": "2024-04-02T09:06:56.224+00:00",
        "engine": {
          "name": "BSI-WID",
          "version": "1.3.0"
        }
      },
      "id": "WID-SEC-W-2022-0885",
      "initial_release_date": "2021-11-24T23:00:00.000+00:00",
      "revision_history": [
        {
          "date": "2021-11-24T23:00:00.000+00:00",
          "number": "1",
          "summary": "Initiale Fassung"
        },
        {
          "date": "2022-01-05T23:00:00.000+00:00",
          "number": "2",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2022-01-10T23:00:00.000+00:00",
          "number": "3",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2022-01-11T23:00:00.000+00:00",
          "number": "4",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2022-01-19T23:00:00.000+00:00",
          "number": "5",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2022-02-17T23:00:00.000+00:00",
          "number": "6",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2022-05-02T22:00:00.000+00:00",
          "number": "7",
          "summary": "Neue Updates von Ubuntu aufgenommen"
        },
        {
          "date": "2022-05-10T22:00:00.000+00:00",
          "number": "8",
          "summary": "Neue Updates von Red Hat aufgenommen"
        },
        {
          "date": "2022-05-15T22:00:00.000+00:00",
          "number": "9",
          "summary": "Neue Updates von AVAYA aufgenommen"
        },
        {
          "date": "2022-08-02T22:00:00.000+00:00",
          "number": "10",
          "summary": "Neue Updates von Oracle Linux aufgenommen"
        },
        {
          "date": "2024-04-01T22:00:00.000+00:00",
          "number": "11",
          "summary": "Neue Updates von Debian aufgenommen"
        }
      ],
      "status": "final",
      "version": "11"
    }
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "category": "product_name",
            "name": "Avaya Aura Application Enablement Services",
            "product": {
              "name": "Avaya Aura Application Enablement Services",
              "product_id": "T015516",
              "product_identification_helper": {
                "cpe": "cpe:/a:avaya:aura_application_enablement_services:-"
              }
            }
          },
          {
            "category": "product_name",
            "name": "Avaya Aura Communication Manager",
            "product": {
              "name": "Avaya Aura Communication Manager",
              "product_id": "T015126",
              "product_identification_helper": {
                "cpe": "cpe:/a:avaya:communication_manager:-"
              }
            }
          }
        ],
        "category": "vendor",
        "name": "Avaya"
      },
      {
        "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 libvirt",
            "product": {
              "name": "Open Source libvirt",
              "product_id": "306126",
              "product_identification_helper": {
                "cpe": "cpe:/a:redhat:libvirt:-"
              }
            }
          }
        ],
        "category": "vendor",
        "name": "Open Source"
      },
      {
        "branches": [
          {
            "category": "product_name",
            "name": "Oracle Linux",
            "product": {
              "name": "Oracle Linux",
              "product_id": "T004914",
              "product_identification_helper": {
                "cpe": "cpe:/o:oracle:linux:-"
              }
            }
          }
        ],
        "category": "vendor",
        "name": "Oracle"
      },
      {
        "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-2021-3975",
      "notes": [
        {
          "category": "description",
          "text": "Es existiert eine Schwachstelle in libvirt. Durch ein fehlendes \"Lock\" kann in der \"qemuMonitorUnregister()\" Funktion in \"qemuProcessHandleMonitorEOF\" eine Use-After-Free Situation entstehen. Ein Angreifer aus einer virtuellen Maschine kann dies ausnutzen, um den libvirt Daemon zum Absturz zu bringen."
        }
      ],
      "product_status": {
        "known_affected": [
          "2951",
          "T002207",
          "67646",
          "T015516",
          "T000126",
          "306126",
          "T015126",
          "T004914"
        ]
      },
      "release_date": "2021-11-24T23:00:00Z",
      "title": "CVE-2021-3975"
    }
  ]
}


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