WID-SEC-W-2023-2018
Vulnerability from csaf_certbund
Published
2023-08-08 22:00
Modified
2024-09-22 22:00
Summary
Citrix Systems Hypervisor und XEN: 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
Citrix Hypervisor ist eine Plattform für Desktop-, Server- und Cloud-Virtualisierungsinfrastrukturen. Xen ist ein Virtueller-Maschinen-Monitor (VMM)
Angriff
Ein entfernter, authentisierter Angreifer kann eine Schwachstelle in Citrix Systems Hypervisor und XEN ausnutzen, um einen Denial of Service Angriff durchzuführen.
Betroffene Betriebssysteme
- Linux - Sonstiges - Windows


To clipboard 

{
   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: "Citrix Hypervisor ist eine Plattform für Desktop-, Server- und Cloud-Virtualisierungsinfrastrukturen.\r\nXen ist ein Virtueller-Maschinen-Monitor (VMM)",
            title: "Produktbeschreibung",
         },
         {
            category: "summary",
            text: "Ein entfernter, authentisierter Angreifer kann eine Schwachstelle in Citrix Systems Hypervisor und XEN 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-2023-2018 - CSAF Version",
            url: "https://wid.cert-bund.de/.well-known/csaf/white/2023/wid-sec-w-2023-2018.json",
         },
         {
            category: "self",
            summary: "WID-SEC-2023-2018 - Portal Version",
            url: "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2023-2018",
         },
         {
            category: "external",
            summary: "Citrix Hypervisor Security Bulletin vom 2023-08-08",
            url: "https://support.citrix.com/article/CTX569353/citrix-hypervisor-security-bulletin-for-cve202320569-cve202334319-and-cve202240982",
         },
         {
            category: "external",
            summary: "Xen Security Advisory CVE-2023-34319 / XSA-432",
            url: "https://xenbits.xen.org/xsa/advisory-432.html",
         },
         {
            category: "external",
            summary: "SUSE Security Update SUSE-SU-2023:3392-1 vom 2023-08-23",
            url: "https://lists.suse.com/pipermail/sle-security-updates/2023-August/015997.html",
         },
         {
            category: "external",
            summary: "Amazon Linux Security Advisory ALASKERNEL-5.4-2023-051 vom 2023-08-23",
            url: "https://alas.aws.amazon.com/AL2/ALASKERNEL-5.4-2023-051.html",
         },
         {
            category: "external",
            summary: "Ubuntu Security Notice USN-6343-1 vom 2023-09-06",
            url: "https://ubuntu.com/security/notices/USN-6343-1",
         },
         {
            category: "external",
            summary: "Amazon Linux Security Advisory ALAS2KERNEL-5.15-2023-026 vom 2023-09-07",
            url: "https://alas.aws.amazon.com/AL2/ALASKERNEL-5.15-2023-026.html",
         },
         {
            category: "external",
            summary: "SUSE Security Update SUSE-SU-2023:3600-1 vom 2023-09-14",
            url: "https://lists.suse.com/pipermail/sle-security-updates/2023-September/016151.html",
         },
         {
            category: "external",
            summary: "SUSE Security Update SUSE-SU-2023:3601-1 vom 2023-09-14",
            url: "https://lists.suse.com/pipermail/sle-security-updates/2023-September/016153.html",
         },
         {
            category: "external",
            summary: "SUSE Security Update SUSE-SU-2023:3599-1 vom 2023-09-14",
            url: "https://lists.suse.com/pipermail/sle-security-updates/2023-September/016152.html",
         },
         {
            category: "external",
            summary: "SUSE Security Update SUSE-SU-2023:3704-1 vom 2023-09-20",
            url: "https://lists.suse.com/pipermail/sle-security-updates/2023-September/016234.html",
         },
         {
            category: "external",
            summary: "SUSE Security Update SUSE-SU-2023:3705-1 vom 2023-09-20",
            url: "https://lists.suse.com/pipermail/sle-security-updates/2023-September/016233.html",
         },
         {
            category: "external",
            summary: "SUSE Security Update SUSE-SU-2023:3599-2 vom 2023-09-21",
            url: "https://lists.suse.com/pipermail/sle-security-updates/2023-September/016283.html",
         },
         {
            category: "external",
            summary: "SUSE Security Update SUSE-SU-2023:3683-2 vom 2023-09-21",
            url: "https://lists.suse.com/pipermail/sle-security-updates/2023-September/016287.html",
         },
         {
            category: "external",
            summary: "SUSE Security Update SUSE-SU-2023:3600-2 vom 2023-09-21",
            url: "https://lists.suse.com/pipermail/sle-security-updates/2023-September/016284.html",
         },
         {
            category: "external",
            summary: "SUSE Security Update SUSE-SU-2023:3964-1 vom 2023-10-04",
            url: "https://lists.suse.com/pipermail/sle-security-updates/2023-October/016501.html",
         },
         {
            category: "external",
            summary: "Ubuntu Security Notice USN-6439-1 vom 2023-10-20",
            url: "https://ubuntu.com/security/notices/USN-6439-1",
         },
         {
            category: "external",
            summary: "Ubuntu Security Notice USN-6440-2 vom 2023-10-20",
            url: "https://ubuntu.com/security/notices/USN-6440-2",
         },
         {
            category: "external",
            summary: "Ubuntu Security Notice USN-6439-2 vom 2023-10-23",
            url: "https://ubuntu.com/security/notices/USN-6439-2",
         },
         {
            category: "external",
            summary: "Ubuntu Security Notice USN-6444-2 vom 2023-10-24",
            url: "https://ubuntu.com/security/notices/USN-6444-2",
         },
         {
            category: "external",
            summary: "Ubuntu Security Notice USN-6466-1 vom 2023-10-31",
            url: "https://ubuntu.com/security/notices/USN-6466-1",
         },
         {
            category: "external",
            summary: "Ubuntu Security Notice LSN-0099-1 vom 2023-11-28",
            url: "https://ubuntu.com/security/notices/LSN-0099-1",
         },
         {
            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: "Citrix Systems Hypervisor und XEN: Schwachstelle ermöglicht Denial of Service",
      tracking: {
         current_release_date: "2024-09-22T22:00:00.000+00:00",
         generator: {
            date: "2024-09-23T08:05:20.602+00:00",
            engine: {
               name: "BSI-WID",
               version: "1.3.8",
            },
         },
         id: "WID-SEC-W-2023-2018",
         initial_release_date: "2023-08-08T22:00:00.000+00:00",
         revision_history: [
            {
               date: "2023-08-08T22:00:00.000+00:00",
               number: "1",
               summary: "Initiale Fassung",
            },
            {
               date: "2023-08-23T22:00:00.000+00:00",
               number: "2",
               summary: "Neue Updates von SUSE und Amazon aufgenommen",
            },
            {
               date: "2023-09-06T22:00:00.000+00:00",
               number: "3",
               summary: "Neue Updates von Ubuntu und Amazon aufgenommen",
            },
            {
               date: "2023-09-14T22:00:00.000+00:00",
               number: "4",
               summary: "Neue Updates von SUSE aufgenommen",
            },
            {
               date: "2023-09-20T22:00:00.000+00:00",
               number: "5",
               summary: "Neue Updates von SUSE aufgenommen",
            },
            {
               date: "2023-09-21T22:00:00.000+00:00",
               number: "6",
               summary: "Neue Updates von SUSE aufgenommen",
            },
            {
               date: "2023-10-03T22:00:00.000+00:00",
               number: "7",
               summary: "Neue Updates von SUSE aufgenommen",
            },
            {
               date: "2023-10-19T22:00:00.000+00:00",
               number: "8",
               summary: "Neue Updates von Ubuntu aufgenommen",
            },
            {
               date: "2023-10-22T22:00:00.000+00:00",
               number: "9",
               summary: "Neue Updates von Ubuntu aufgenommen",
            },
            {
               date: "2023-10-23T22:00:00.000+00:00",
               number: "10",
               summary: "Neue Updates von Ubuntu aufgenommen",
            },
            {
               date: "2023-10-24T22:00:00.000+00:00",
               number: "11",
               summary: "Neue Updates von Ubuntu aufgenommen",
            },
            {
               date: "2023-10-31T23:00:00.000+00:00",
               number: "12",
               summary: "Neue Updates von Ubuntu aufgenommen",
            },
            {
               date: "2023-11-28T23:00:00.000+00:00",
               number: "13",
               summary: "Neue Updates von Ubuntu aufgenommen",
            },
            {
               date: "2024-09-22T22:00:00.000+00:00",
               number: "14",
               summary: "Neue Updates von Gentoo aufgenommen",
            },
         ],
         status: "final",
         version: "14",
      },
   },
   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: [
               {
                  branches: [
                     {
                        category: "product_version_range",
                        name: "<=8.2",
                        product: {
                           name: "Citrix Systems Hypervisor <=8.2",
                           product_id: "T029180",
                        },
                     },
                     {
                        category: "product_version_range",
                        name: "<=8.2",
                        product: {
                           name: "Citrix Systems Hypervisor <=8.2",
                           product_id: "T029180-fixed",
                        },
                     },
                  ],
                  category: "product_name",
                  name: "Hypervisor",
               },
            ],
            category: "vendor",
            name: "Citrix Systems",
         },
         {
            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: "<xsa432-linux.patch",
                        product: {
                           name: "Open Source Xen <xsa432-linux.patch",
                           product_id: "T029181",
                        },
                     },
                     {
                        category: "product_version",
                        name: "xsa432-linux.patch",
                        product: {
                           name: "Open Source Xen xsa432-linux.patch",
                           product_id: "T029181-fixed",
                           product_identification_helper: {
                              cpe: "cpe:/o:xen:xen:xsa432-linux.patch",
                           },
                        },
                     },
                  ],
                  category: "product_name",
                  name: "Xen",
               },
            ],
            category: "vendor",
            name: "Open Source",
         },
         {
            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-2023-34319",
         notes: [
            {
               category: "description",
               text: "Es besteht eine Schwachstelle in Citrix Systems Hypervisor und XEN. Dieser Fehler besteht in CU1 LTSR, wodurch bösartiger Code in einer Gast-VM ausgeführt werden kann. Ein Angreifer kann diese Schwachstelle ausnutzen, um einen Denial-of-Service-Zustand zu verursachen.",
            },
         ],
         product_status: {
            known_affected: [
               "T002207",
               "T000126",
               "T029181",
               "398363",
               "T012167",
            ],
            last_affected: [
               "T029180",
            ],
         },
         release_date: "2023-08-08T22:00:00.000+00:00",
         title: "CVE-2023-34319",
      },
   ],
}


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