{
  "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 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" : "Xen ist ein Virtueller-Maschinen-Monitor (VMM), der Hardware (x86, IA-64, PowerPC) für die darauf laufenden Systeme (Domains) paravirtualisiert.",
      "title" : "Produktbeschreibung"
    }, {
      "category" : "summary",
      "text" : "Ein lokaler Angreifer kann eine Schwachstelle in Xen ausnutzen, um Informationen offenzulegen.",
      "title" : "Angriff"
    }, {
      "category" : "general",
      "text" : "- Linux\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-2023-2268 - CSAF Version",
      "url" : "https://wid.cert-bund.de/.well-known/csaf/white/2023/wid-sec-w-2023-2268.json"
    }, {
      "category" : "self",
      "summary" : "WID-SEC-2023-2268 - Portal Version",
      "url" : "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2023-2268"
    }, {
      "category" : "external",
      "summary" : "Xen Security Advisory vom 2023-09-05",
      "url" : "https://xenbits.xen.org/xsa/advisory-437.html"
    }, {
      "category" : "external",
      "summary" : "Fedora Security Advisory FEDORA-2023-35D2AD2328 vom 2023-09-26",
      "url" : "https://bodhi.fedoraproject.org/updates/FEDORA-2023-35d2ad2328"
    }, {
      "category" : "external",
      "summary" : "Fedora Security Advisory FEDORA-2023-4125279976 vom 2023-09-26",
      "url" : "https://bodhi.fedoraproject.org/updates/FEDORA-2023-4125279976"
    }, {
      "category" : "external",
      "summary" : "Fedora Security Advisory FEDORA-2023-948136565A vom 2023-09-26",
      "url" : "https://bodhi.fedoraproject.org/updates/FEDORA-2023-948136565a"
    }, {
      "category" : "external",
      "summary" : "Gentoo Linux Security Advisory GLSA-202409-10 vom 2024-09-22",
      "url" : "https://security.gentoo.org/glsa/202409-10"
    } ],
    "source_lang" : "en-US",
    "title" : "Xen: Schwachstelle ermöglicht Offenlegung von Informationen",
    "tracking" : {
      "current_release_date" : "2024-09-22T22:00:00.000+00:00",
      "generator" : {
        "date" : "2024-09-23T08:05:19.516+00:00",
        "engine" : {
          "name" : "BSI-WID",
          "version" : "1.3.8"
        }
      },
      "id" : "WID-SEC-W-2023-2268",
      "initial_release_date" : "2023-09-05T22:00:00.000+00:00",
      "revision_history" : [ {
        "date" : "2023-09-05T22:00:00.000+00:00",
        "number" : "1",
        "summary" : "Initiale Fassung"
      }, {
        "date" : "2023-09-26T22:00:00.000+00:00",
        "number" : "2",
        "summary" : "Neue Updates von Fedora aufgenommen"
      }, {
        "date" : "2024-09-22T22:00:00.000+00:00",
        "number" : "3",
        "summary" : "Neue Updates von Gentoo aufgenommen"
      } ],
      "status" : "final",
      "version" : "3"
    }
  },
  "product_tree" : {
    "branches" : [ {
      "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" : [ {
        "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" : [ {
        "branches" : [ {
          "category" : "product_version_range",
          "name" : "<xsa437.patch",
          "product" : {
            "name" : "Open Source Xen <xsa437.patch",
            "product_id" : "T029721"
          }
        }, {
          "category" : "product_version",
          "name" : "xsa437.patch",
          "product" : {
            "name" : "Open Source Xen xsa437.patch",
            "product_id" : "T029721-fixed",
            "product_identification_helper" : {
              "cpe" : "cpe:/o:xen:xen:xsa437.patch"
            }
          }
        }, {
          "category" : "product_version_range",
          "name" : "<xsa437-4.16.patch",
          "product" : {
            "name" : "Open Source Xen <xsa437-4.16.patch",
            "product_id" : "T029722"
          }
        }, {
          "category" : "product_version",
          "name" : "xsa437-4.16.patch",
          "product" : {
            "name" : "Open Source Xen xsa437-4.16.patch",
            "product_id" : "T029722-fixed",
            "product_identification_helper" : {
              "cpe" : "cpe:/o:xen:xen:xsa437-4.16.patch"
            }
          }
        } ],
        "category" : "product_name",
        "name" : "Xen"
      } ],
      "category" : "vendor",
      "name" : "Open Source"
    } ]
  },
  "vulnerabilities" : [ {
    "cve" : "CVE-2023-34321",
    "notes" : [ {
      "category" : "description",
      "text" : "Es besteht eine Schwachstelle in Xen. Dieser Fehler tritt beim Bereinigen des Cache auf arm32-Systemen aufgrund einer unzulässigen Einschränkung von Operationen auf. Ein Angreifer kann diese Schwachstelle ausnutzen, um vertrauliche Informationen offenzulegen."
    } ],
    "product_status" : {
      "known_affected" : [ "T012167", "T029722", "T029721", "74185" ]
    },
    "release_date" : "2023-09-05T22:00:00.000+00:00",
    "title" : "CVE-2023-34321"
  } ]
}