{
  "document" : {
    "aggregate_severity" : {
      "text" : "kritisch"
    },
    "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" : "XZ Utils bietet eine universelle Datenkompressionsbibliothek sowie Befehlszeilenwerkzeuge.",
      "title" : "Produktbeschreibung"
    }, {
      "category" : "summary",
      "text" : "Ein entfernter, anonymer Angreifer kann eine Schwachstelle in Debian Linux, SUSE Linux, Arch Linux, Fedora Linux, xz und Gentoo Linux ausnutzen, um beliebigen Programmcode auszuführen.",
      "title" : "Angriff"
    }, {
      "category" : "general",
      "text" : "- Linux",
      "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-2024-0762 - CSAF Version",
      "url" : "https://wid.cert-bund.de/.well-known/csaf/white/2024/wid-sec-w-2024-0762.json"
    }, {
      "category" : "self",
      "summary" : "WID-SEC-2024-0762 - Portal Version",
      "url" : "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2024-0762"
    }, {
      "category" : "external",
      "summary" : "Red Hat Security Alert vom 2024-04-01",
      "url" : "https://www.redhat.com/en/blog/urgent-security-alert-fedora-41-and-rawhide-users"
    }, {
      "category" : "external",
      "summary" : "GitHub Advisory Database",
      "url" : "https://github.com/advisories/GHSA-rxwq-x6h5-x525"
    }, {
      "category" : "external",
      "summary" : "Red Hat Bugzilla – Bug 2272210",
      "url" : "https://bugzilla.redhat.com/show_bug.cgi?id=2272210"
    }, {
      "category" : "external",
      "summary" : "CISA Report",
      "url" : "https://www.cisa.gov/news-events/alerts/2024/03/29/reported-supply-chain-compromise-affecting-xz-utils-data-compression-library-cve-2024-3094"
    }, {
      "category" : "external",
      "summary" : "Statement des Autors von xz",
      "url" : "https://tukaani.org/xz-backdoor/"
    }, {
      "category" : "external",
      "summary" : "Proof of Concept (PoC)",
      "url" : "https://github.com/amlweems/xzbot"
    } ],
    "source_lang" : "en-US",
    "title" : "xz: Schwachstelle ermöglicht Ausführen von beliebigem Programmcode",
    "tracking" : {
      "current_release_date" : "2024-04-01T22:00:00.000+00:00",
      "generator" : {
        "date" : "2024-08-15T18:07:05.845+00:00",
        "engine" : {
          "name" : "BSI-WID",
          "version" : "1.3.5"
        }
      },
      "id" : "WID-SEC-W-2024-0762",
      "initial_release_date" : "2024-04-01T22:00:00.000+00:00",
      "revision_history" : [ {
        "date" : "2024-04-01T22:00:00.000+00:00",
        "number" : "1",
        "summary" : "Initiale Fassung"
      } ],
      "status" : "final",
      "version" : "1"
    }
  },
  "product_tree" : {
    "branches" : [ {
      "branches" : [ {
        "branches" : [ {
          "category" : "product_version",
          "name" : "unstable",
          "product" : {
            "name" : "Debian Linux unstable",
            "product_id" : "T033830",
            "product_identification_helper" : {
              "cpe" : "cpe:/o:debian:debian_linux:unstable"
            }
          }
        } ],
        "category" : "product_name",
        "name" : "Linux"
      } ],
      "category" : "vendor",
      "name" : "Debian"
    }, {
      "branches" : [ {
        "category" : "product_name",
        "name" : "Fedora Linux",
        "product" : {
          "name" : "Fedora Linux",
          "product_id" : "T033781",
          "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" : "T033788",
          "product_identification_helper" : {
            "cpe" : "cpe:/o:gentoo:linux:-"
          }
        }
      } ],
      "category" : "vendor",
      "name" : "Gentoo"
    }, {
      "branches" : [ {
        "category" : "product_name",
        "name" : "Open Source Arch Linux",
        "product" : {
          "name" : "Open Source Arch Linux",
          "product_id" : "T033780",
          "product_identification_helper" : {
            "cpe" : "cpe:/o:archlinux:archlinux:-"
          }
        }
      }, {
        "category" : "product_name",
        "name" : "Open Source OpenSSH",
        "product" : {
          "name" : "Open Source OpenSSH",
          "product_id" : "8223",
          "product_identification_helper" : {
            "cpe" : "cpe:/a:openbsd:openssh:-"
          }
        }
      }, {
        "branches" : [ {
          "category" : "product_version",
          "name" : "5.6.0",
          "product" : {
            "name" : "Open Source xz 5.6.0",
            "product_id" : "T033785",
            "product_identification_helper" : {
              "cpe" : "cpe:/a:tukaani:xz:5.6.0"
            }
          }
        }, {
          "category" : "product_version",
          "name" : "5.6.1",
          "product" : {
            "name" : "Open Source xz 5.6.1",
            "product_id" : "T033786",
            "product_identification_helper" : {
              "cpe" : "cpe:/a:tukaani:xz:5.6.1"
            }
          }
        } ],
        "category" : "product_name",
        "name" : "xz"
      } ],
      "category" : "vendor",
      "name" : "Open Source"
    }, {
      "branches" : [ {
        "branches" : [ {
          "category" : "product_version",
          "name" : "Tumbleweed",
          "product" : {
            "name" : "SUSE Linux Tumbleweed",
            "product_id" : "T033783",
            "product_identification_helper" : {
              "cpe" : "cpe:/o:suse:suse_linux:tumbleweed"
            }
          }
        }, {
          "category" : "product_version",
          "name" : "MicroOS",
          "product" : {
            "name" : "SUSE Linux MicroOS",
            "product_id" : "T033784",
            "product_identification_helper" : {
              "cpe" : "cpe:/o:suse:suse_linux:microos"
            }
          }
        } ],
        "category" : "product_name",
        "name" : "Linux"
      } ],
      "category" : "vendor",
      "name" : "SUSE"
    } ]
  },
  "vulnerabilities" : [ {
    "cve" : "CVE-2024-3094",
    "notes" : [ {
      "category" : "description",
      "text" : "Es gibt eine Schwachstelle in xz aufgrund von eingebettetem bösartigen Code, der eine Hintertür bildet. Diese Bibliothek wird unter anderem im OpenSSH-Server verwendet. Der Backdoor-Code erlaubt es bestimmten entfernten Angreifern (die einen bestimmten privaten Schlüssel besitzen), beliebigen Payload über SSH zu senden, der auf dem Server vor dem Authentifizierungsschritt ausgeführt wird. Ein entfernter, anonymer Angreifer kann diese Schwachstelle ausnutzen, um beliebigen Programmcode mit den Rechten des SSH-Dienstes auszuführen und so das System zu kompromittieren."
    } ],
    "product_status" : {
      "known_affected" : [ "8223", "T033788", "T033785", "T033786", "T033830", "T033780", "T033783", "T033784", "T033781" ]
    },
    "release_date" : "2024-04-01T22:00:00.000+00:00",
    "title" : "CVE-2024-3094"
  } ]
}