wid-sec-w-2022-1125
Vulnerability from csaf_certbund
Published
2021-12-21 23:00
Modified
2023-08-13 22:00
Summary
QEMU: 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
QEMU ist eine freie Virtualisierungssoftware, die die gesamte Hardware eines Computers emuliert.
Angriff
Ein lokaler Angreifer kann eine Schwachstelle in QEMU ausnutzen, um einen Denial of Service Angriff durchzuführen.
Betroffene Betriebssysteme
- UNIX - Linux - Windows - Sonstiges - Appliance


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": "QEMU ist eine freie Virtualisierungssoftware, die die gesamte Hardware eines Computers emuliert.",
        "title": "Produktbeschreibung"
      },
      {
        "category": "summary",
        "text": "Ein lokaler Angreifer kann eine Schwachstelle in QEMU ausnutzen, um einen Denial of Service Angriff durchzuf\u00fchren.",
        "title": "Angriff"
      },
      {
        "category": "general",
        "text": "- UNIX\n- Linux\n- Windows\n- Sonstiges\n- Appliance",
        "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-2022-1125 - CSAF Version",
        "url": "https://wid.cert-bund.de/.well-known/csaf/white/2021/wid-sec-w-2022-1125.json"
      },
      {
        "category": "self",
        "summary": "WID-SEC-2022-1125 - Portal Version",
        "url": "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2022-1125"
      },
      {
        "category": "external",
        "summary": "HPE Securi+y Bulletin",
        "url": "https://support.hpe.com/hpesc/public/docDisplay?docId=emr_na-hpesbst04494en_us"
      },
      {
        "category": "external",
        "summary": "Red Hat Bugzilla - Bug 2034602 vom 2021-12-21",
        "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2034602"
      },
      {
        "category": "external",
        "summary": "Red Hat Bugzilla - Bug 2001404 vom 2021-12-21",
        "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2001404"
      },
      {
        "category": "external",
        "summary": "Oracle Linux Security Advisory ELSA-2022-9344 vom 2022-04-30",
        "url": "http://linux.oracle.com/errata/ELSA-2022-9344.html"
      },
      {
        "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": "Gentoo Linux Security Advisory GLSA-202208-27 vom 2022-08-23",
        "url": "https://security.gentoo.org/glsa/202208-27"
      }
    ],
    "source_lang": "en-US",
    "title": "QEMU: Schwachstelle erm\u00f6glicht Denial of Service",
    "tracking": {
      "current_release_date": "2023-08-13T22:00:00.000+00:00",
      "generator": {
        "date": "2024-02-15T16:56:10.034+00:00",
        "engine": {
          "name": "BSI-WID",
          "version": "1.3.0"
        }
      },
      "id": "WID-SEC-W-2022-1125",
      "initial_release_date": "2021-12-21T23:00:00.000+00:00",
      "revision_history": [
        {
          "date": "2021-12-21T23:00:00.000+00:00",
          "number": "1",
          "summary": "Initiale Fassung"
        },
        {
          "date": "2022-05-01T22:00:00.000+00:00",
          "number": "2",
          "summary": "Neue Updates von Oracle Linux aufgenommen"
        },
        {
          "date": "2022-05-10T22:00:00.000+00:00",
          "number": "3",
          "summary": "Neue Updates von Red Hat aufgenommen"
        },
        {
          "date": "2022-05-15T22:00:00.000+00:00",
          "number": "4",
          "summary": "Neue Updates von AVAYA aufgenommen"
        },
        {
          "date": "2022-08-22T22:00:00.000+00:00",
          "number": "5",
          "summary": "Neue Updates von Gentoo aufgenommen"
        },
        {
          "date": "2023-08-13T22:00:00.000+00:00",
          "number": "6",
          "summary": "Neue Updates von HP aufgenommen"
        }
      ],
      "status": "final",
      "version": "6"
    }
  },
  "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": "Broadcom Brocade Switch",
            "product": {
              "name": "Broadcom Brocade Switch",
              "product_id": "T015844",
              "product_identification_helper": {
                "cpe": "cpe:/h:brocade:switch:-"
              }
            }
          }
        ],
        "category": "vendor",
        "name": "Broadcom"
      },
      {
        "branches": [
          {
            "category": "product_name",
            "name": "Gentoo Linux",
            "product": {
              "name": "Gentoo Linux",
              "product_id": "T012167",
              "product_identification_helper": {
                "cpe": "cpe:/o:gentoo:linux:-"
              }
            }
          }
        ],
        "category": "vendor",
        "name": "Gentoo"
      },
      {
        "branches": [
          {
            "category": "product_name",
            "name": "HPE Switch",
            "product": {
              "name": "HPE Switch",
              "product_id": "T005119",
              "product_identification_helper": {
                "cpe": "cpe:/h:hp:switch:-"
              }
            }
          }
        ],
        "category": "vendor",
        "name": "HPE"
      },
      {
        "branches": [
          {
            "category": "product_name",
            "name": "Open Source QEMU",
            "product": {
              "name": "Open Source QEMU",
              "product_id": "185878",
              "product_identification_helper": {
                "cpe": "cpe:/a:qemu:qemu:-"
              }
            }
          }
        ],
        "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"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2021-4145",
      "notes": [
        {
          "category": "description",
          "text": "Es besteht eine Schwachstelle in QEMU aufgrund einer NULL-Zeiger-Dereferenz in \"mirror_wait_on_conflicts()\". Ein Angreifer von einer Gastmaschine aus kann dies durch das Schreiben sehr gro\u00dfer Dateien ausl\u00f6sen und so einen Denial of Service-Zustand herbeif\u00fchren."
        }
      ],
      "product_status": {
        "known_affected": [
          "185878",
          "67646",
          "T015516",
          "T015844",
          "T005119",
          "T015126",
          "T012167",
          "T004914"
        ]
      },
      "release_date": "2021-12-21T23:00:00Z",
      "title": "CVE-2021-4145"
    }
  ]
}


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