WID-SEC-W-2024-1997

Vulnerability from csaf_certbund - Published: 2018-11-25 23:00 - Updated: 2024-09-02 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
- Linux - UNIX - Windows
To clipboard 

{
  "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 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": "- Linux\n- UNIX\n- Windows",
        "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-2024-1997 - CSAF Version",
        "url": "https://wid.cert-bund.de/.well-known/csaf/white/2018/wid-sec-w-2024-1997.json"
      },
      {
        "category": "self",
        "summary": "WID-SEC-2024-1997 - Portal Version",
        "url": "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2024-1997"
      },
      {
        "category": "external",
        "summary": "Eintrag in der OSS Mailing Liste vom 2018-11-25",
        "url": "http://seclists.org/oss-sec/2018/q4/182"
      },
      {
        "category": "external",
        "summary": "Oracle Linux Security Advisory ELSA-2018-4313 vom 2018-12-22",
        "url": "http://linux.oracle.com/errata/ELSA-2018-4313.html"
      },
      {
        "category": "external",
        "summary": "Oracle Linux Security Advisory ELSA-2018-4312 vom 2018-12-22",
        "url": "http://linux.oracle.com/errata/ELSA-2018-4312.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2019:13962-1 vom 2019-02-15",
        "url": "https://www.suse.com/support/update/announcement/2019/suse-su-201913962-1.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2019:0457-1 vom 2019-02-21",
        "url": "https://www.suse.com/support/update/announcement/2019/suse-su-20190457-1.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2019:0471-1 vom 2019-02-23",
        "url": "https://www.suse.com/support/update/announcement/2019/suse-su-20190471-1.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2019:0489-1 vom 2019-02-27",
        "url": "https://www.suse.com/support/update/announcement/2019/suse-su-20190489-1.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2019:0582-1 vom 2019-03-12",
        "url": "https://www.suse.com/support/update/announcement/2019/suse-su-20190582-1.html"
      },
      {
        "category": "external",
        "summary": "Oracle Linux Security Advisory ELSA-2019-4585 vom 2019-03-15",
        "url": "http://linux.oracle.com/errata/ELSA-2019-4585.html"
      },
      {
        "category": "external",
        "summary": "Ubuntu Security Notice USN-3923-1 vom 2019-03-27",
        "url": "https://usn.ubuntu.com/3923-1/"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2019:0471-2 vom 2019-04-28",
        "url": "https://www.suse.com/support/update/announcement/2019/suse-su-20190471-2.html"
      },
      {
        "category": "external",
        "summary": "Oracle Linux Security Advisory ELSA-2019-4630 vom 2019-05-14",
        "url": "http://linux.oracle.com/errata/ELSA-2019-4630.html"
      },
      {
        "category": "external",
        "summary": "Debian Security Advisory DSA-4454 vom 2019-05-31",
        "url": "https://www.debian.org/security/2019/dsa-4454"
      },
      {
        "category": "external",
        "summary": "Oracle Linux Security Advisory ELSA-2024-12605 vom 2024-09-02",
        "url": "https://linux.oracle.com/errata/ELSA-2024-12605.html"
      }
    ],
    "source_lang": "en-US",
    "title": "QEMU: Schwachstelle erm\u00f6glicht Denial of Service",
    "tracking": {
      "current_release_date": "2024-09-02T22:00:00.000+00:00",
      "generator": {
        "date": "2024-09-03T08:16:32.321+00:00",
        "engine": {
          "name": "BSI-WID",
          "version": "1.3.6"
        }
      },
      "id": "WID-SEC-W-2024-1997",
      "initial_release_date": "2018-11-25T23:00:00.000+00:00",
      "revision_history": [
        {
          "date": "2018-11-25T23:00:00.000+00:00",
          "number": "1",
          "summary": "Initial Release"
        },
        {
          "date": "2018-12-23T23:00:00.000+00:00",
          "number": "2",
          "summary": "Neue Updates von Oracle Linux aufgenommen"
        },
        {
          "date": "2019-02-17T23:00:00.000+00:00",
          "number": "3",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2019-02-21T23:00:00.000+00:00",
          "number": "4",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2019-02-24T23:00:00.000+00:00",
          "number": "5",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2019-02-26T23:00:00.000+00:00",
          "number": "6",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2019-03-11T23:00:00.000+00:00",
          "number": "7",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2019-03-14T23:00:00.000+00:00",
          "number": "8",
          "summary": "Neue Updates von Oracle Linux aufgenommen"
        },
        {
          "date": "2019-03-27T23:00:00.000+00:00",
          "number": "9",
          "summary": "Neue Updates von Ubuntu aufgenommen"
        },
        {
          "date": "2019-04-28T22:00:00.000+00:00",
          "number": "10",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2019-05-15T22:00:00.000+00:00",
          "number": "11",
          "summary": "Neue Updates von Oracle Linux aufgenommen"
        },
        {
          "date": "2019-06-02T22:00:00.000+00:00",
          "number": "12",
          "summary": "Neue Updates von Debian aufgenommen"
        },
        {
          "date": "2024-09-02T22:00:00.000+00:00",
          "number": "13",
          "summary": "Neue Updates von Oracle Linux aufgenommen"
        }
      ],
      "status": "final",
      "version": "13"
    }
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "category": "product_name",
            "name": "Debian Linux",
            "product": {
              "name": "Debian Linux",
              "product_id": "2951",
              "product_identification_helper": {
                "cpe": "cpe:/o:debian:debian_linux:-"
              }
            }
          }
        ],
        "category": "vendor",
        "name": "Debian"
      },
      {
        "branches": [
          {
            "category": "product_name",
            "name": "Open Source QEMU",
            "product": {
              "name": "Open Source QEMU",
              "product_id": "T007150",
              "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": "SUSE Linux",
            "product": {
              "name": "SUSE Linux",
              "product_id": "T002207",
              "product_identification_helper": {
                "cpe": "cpe:/o:suse:suse_linux:-"
              }
            }
          }
        ],
        "category": "vendor",
        "name": "SUSE"
      },
      {
        "branches": [
          {
            "category": "product_name",
            "name": "Ubuntu Linux",
            "product": {
              "name": "Ubuntu Linux",
              "product_id": "T000126",
              "product_identification_helper": {
                "cpe": "cpe:/o:canonical:ubuntu_linux:-"
              }
            }
          }
        ],
        "category": "vendor",
        "name": "Ubuntu"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2018-19489",
      "notes": [
        {
          "category": "description",
          "text": "Es existiert eine Schwachstelle in QEMU. Die Ursache dieser Schwachstelle liegt in einem \"use-after-free\" Fehler in VirtFS, der Freigabe des Host-Verzeichnisses \u00fcber die Unterst\u00fctzung des Plan 9 File Systems(9pfs). Ein auf den Gastsystem angemeldeter Angreifer kann beim Umbenennen von Dateien eine Race Condition erzeugen, die zum Absturz von QEMU f\u00fchrt."
        }
      ],
      "product_status": {
        "known_affected": [
          "2951",
          "T002207",
          "T000126",
          "T007150",
          "T004914"
        ]
      },
      "release_date": "2018-11-25T23:00:00.000+00:00",
      "title": "CVE-2018-19489"
    }
  ]
}


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Sightings

Author Source Type Date

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.



Detection rules are retrieved from Rulezet.