{
  "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 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."
    }, {
      "category" : "description",
      "text" : "Grand Unified Bootloader (Grub) ist ein freies Bootloader-Programm des GNU Projekts.",
      "title" : "Produktbeschreibung"
    }, {
      "category" : "summary",
      "text" : "Ein lokaler Angreifer kann eine Schwachstelle in Grub ausnutzen, um einen Denial of Service Angriff durchzuführen.",
      "title" : "Angriff"
    }, {
      "category" : "general",
      "text" : "- Linux\n- Sonstiges\n- Windows",
      "title" : "Betroffene Betriebssysteme"
    } ],
    "publisher" : {
      "category" : "other",
      "contact_details" : "csaf-provider@cert-bund.de",
      "name" : "Bundesamt für Sicherheit in der Informationstechnik",
      "namespace" : "https://www.bsi.bund.de"
    },
    "references" : [ {
      "category" : "self",
      "summary" : "WID-SEC-W-2024-0308 - CSAF Version",
      "url" : "https://wid.cert-bund.de/.well-known/csaf/white/2024/wid-sec-w-2024-0308.json"
    }, {
      "category" : "self",
      "summary" : "WID-SEC-2024-0308 - Portal Version",
      "url" : "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2024-0308"
    }, {
      "category" : "external",
      "summary" : "GitHub Advisory Database vom 2024-02-06",
      "url" : "https://github.com/advisories/GHSA-3qrv-r8v8-pmw7"
    }, {
      "category" : "external",
      "summary" : "Red Hat Bugzilla vom 2024-02-06",
      "url" : "https://bugzilla.redhat.com/show_bug.cgi?id=2256827"
    }, {
      "category" : "external",
      "summary" : "Fedora Security Advisory FEDORA-2024-C1FABEE30E vom 2024-02-22",
      "url" : "https://bodhi.fedoraproject.org/updates/FEDORA-2024-c1fabee30e"
    }, {
      "category" : "external",
      "summary" : "Fedora Security Advisory FEDORA-2024-097EB22907 vom 2024-02-22",
      "url" : "https://bodhi.fedoraproject.org/updates/FEDORA-2024-097eb22907"
    }, {
      "category" : "external",
      "summary" : "Amazon Linux Security Advisory ALAS-2024-2499 vom 2024-03-19",
      "url" : "https://alas.aws.amazon.com/AL2/ALAS-2024-2499.html"
    }, {
      "category" : "external",
      "summary" : "Red Hat Security Advisory RHSA-2024:2456 vom 2024-04-30",
      "url" : "https://access.redhat.com/errata/RHSA-2024:2456"
    }, {
      "category" : "external",
      "summary" : "Red Hat Security Advisory RHSA-2024:3184 vom 2024-05-22",
      "url" : "https://access.redhat.com/errata/RHSA-2024:3184"
    }, {
      "category" : "external",
      "summary" : "Oracle Linux Security Advisory ELSA-2024-3184 vom 2024-05-28",
      "url" : "https://linux.oracle.com/errata/ELSA-2024-3184.html"
    }, {
      "category" : "external",
      "summary" : "IBM Security Bulletin",
      "url" : "https://www.ibm.com/support/pages/node/7174634"
    } ],
    "source_lang" : "en-US",
    "title" : "Grub: Schwachstelle ermöglicht Denial of Service",
    "tracking" : {
      "current_release_date" : "2024-10-31T23:00:00.000+00:00",
      "generator" : {
        "date" : "2024-11-01T11:22:51.089+00:00",
        "engine" : {
          "name" : "BSI-WID",
          "version" : "1.3.8"
        }
      },
      "id" : "WID-SEC-W-2024-0308",
      "initial_release_date" : "2024-02-06T23:00:00.000+00:00",
      "revision_history" : [ {
        "date" : "2024-02-06T23:00:00.000+00:00",
        "number" : "1",
        "summary" : "Initiale Fassung"
      }, {
        "date" : "2024-02-22T23:00:00.000+00:00",
        "number" : "2",
        "summary" : "Neue Updates von Fedora aufgenommen"
      }, {
        "date" : "2024-03-18T23:00:00.000+00:00",
        "number" : "3",
        "summary" : "Neue Updates von Amazon aufgenommen"
      }, {
        "date" : "2024-04-29T22:00:00.000+00:00",
        "number" : "4",
        "summary" : "Neue Updates von Red Hat aufgenommen"
      }, {
        "date" : "2024-05-21T22:00:00.000+00:00",
        "number" : "5",
        "summary" : "Neue Updates von Red Hat aufgenommen"
      }, {
        "date" : "2024-05-28T22:00:00.000+00:00",
        "number" : "6",
        "summary" : "Neue Updates von Oracle Linux aufgenommen"
      }, {
        "date" : "2024-10-31T23:00:00.000+00:00",
        "number" : "7",
        "summary" : "Neue Updates von IBM aufgenommen"
      } ],
      "status" : "final",
      "version" : "7"
    }
  },
  "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" : "Fedora Linux",
        "product" : {
          "name" : "Fedora Linux",
          "product_id" : "74185",
          "product_identification_helper" : {
            "cpe" : "cpe:/o:fedoraproject:fedora:-"
          }
        }
      } ],
      "category" : "vendor",
      "name" : "Fedora"
    }, {
      "branches" : [ {
        "branches" : [ {
          "category" : "product_version_range",
          "name" : "<7.5.0 UP10 IF01",
          "product" : {
            "name" : "IBM QRadar SIEM <7.5.0 UP10 IF01",
            "product_id" : "T038741"
          }
        }, {
          "category" : "product_version",
          "name" : "7.5.0 UP10 IF01",
          "product" : {
            "name" : "IBM QRadar SIEM 7.5.0 UP10 IF01",
            "product_id" : "T038741-fixed",
            "product_identification_helper" : {
              "cpe" : "cpe:/a:ibm:qradar_siem:7.5.0_up10_if01"
            }
          }
        } ],
        "category" : "product_name",
        "name" : "QRadar SIEM"
      } ],
      "category" : "vendor",
      "name" : "IBM"
    }, {
      "branches" : [ {
        "branches" : [ {
          "category" : "product_version",
          "name" : "2",
          "product" : {
            "name" : "Open Source Grub 2",
            "product_id" : "T015539",
            "product_identification_helper" : {
              "cpe" : "cpe:/a:gnu:grub:2"
            }
          }
        } ],
        "category" : "product_name",
        "name" : "Grub"
      } ],
      "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-2024-1048",
    "notes" : [ {
      "category" : "description",
      "text" : "Es besteht eine Schwachstelle in Grub. Dieser Fehler besteht im grub2-set-bootflag Dienstprogramm während der Erstellung von temporären Dateien, wenn ein neuer grubenv Inhalt verfügbar ist. Dieser Fehler führt dazu, dass das Dateisystem keine freien Inodes oder Blöcke mehr hat. Ein lokaler Angreifer kann diese Schwachstelle ausnutzen, um einen Denial-of-Service-Zustand zu verursachen. Eine erfolgreiche Ausnutzung erfordert eine Benutzerinteraktion."
    } ],
    "product_status" : {
      "known_affected" : [ "T015539", "67646", "398363", "T004914", "74185", "T038741" ]
    },
    "release_date" : "2024-02-06T23:00:00.000+00:00",
    "title" : "CVE-2024-1048"
  } ]
}