WID-SEC-W-2024-0762

Vulnerability from csaf_certbund - Published: 2024-04-01 22:00 - Updated: 2024-04-01 22:00
Summary
xz: Schwachstelle ermöglicht Ausführen von beliebigem Programmcode
Severity
Kritisch
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: XZ Utils bietet eine universelle Datenkompressionsbibliothek sowie Befehlszeilenwerkzeuge.
Angriff: 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.
Betroffene Betriebssysteme: - Linux
CVE-2024-3094
Affected products
Product Identifier Version Remediation
Open Source OpenSSH
Open Source
 cpe:/a:openbsd:openssh:- —
Gentoo Linux
Gentoo
 cpe:/o:gentoo:linux:- —
Open Source xz 5.6.0
Open Source / xz
 cpe:/a:tukaani:xz:5.6.0 5.6.0
Open Source xz 5.6.1
Open Source / xz
 cpe:/a:tukaani:xz:5.6.1 5.6.1
Debian Linux unstable
Debian / Linux
 cpe:/o:debian:debian_linux:unstable unstable
Open Source Arch Linux
Open Source
 cpe:/o:archlinux:archlinux:- —
SUSE Linux Tumbleweed
SUSE / Linux
 cpe:/o:suse:suse_linux:tumbleweed Tumbleweed
SUSE Linux MicroOS
SUSE / Linux
 cpe:/o:suse:suse_linux:microos MicroOS
Fedora Linux
Fedora
 cpe:/o:fedoraproject:fedora:- —
References
To clipboard 

{
  "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 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": "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 auszuf\u00fchren.",
        "title": "Angriff"
      },
      {
        "category": "general",
        "text": "- 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-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 \u2013 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 erm\u00f6glicht Ausf\u00fchren von beliebigem Programmcode",
    "tracking": {
      "current_release_date": "2024-04-01T22:00:00.000+00:00",
      "generator": {
        "date": "2026-07-16T17:01:10.418+00:00",
        "engine": {
          "name": "BSI-WID",
          "version": "1.6.0"
        }
      },
      "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",
      "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"
    }
  ]
}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.