WID-SEC-W-2023-2128

Vulnerability from csaf_certbund - Published: 2023-08-23 22:00 - Updated: 2023-08-23 22:00
Summary
Cisco MDS 9000 und Cisco Nexus: Schwachstelle ermöglicht Denial of Service
Severity
Mittel
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: Die Cisco MDS 9000-Familie stellt Switches für mittelgroße SAN-Umgebungen und Directors für Unternehmens-SANs zur Verfügung. Bei der Cisco Nexus Serie handelt es sich um modulare Switching-Systeme der Data Center-Klasse.
Angriff: Ein lokaler Angreifer kann eine Schwachstelle in Cisco MDS 9000 und Cisco Nexus ausnutzen, um einen Denial of Service Angriff durchzuführen.
Betroffene Betriebssysteme: - CISCO Appliance
CVE-2023-20168

Es existiert eine Schwachstelle in Cisco MDS 9000 und Cisco Nexus. Diese ist auf einen Fehler bei der Verarbeitung von Eingaben zurückzuführen, wenn "TACACS+" oder "Radisu" aktiviert ist. Ein lokaler Angreifer kann diese Schwachstelle ausnutzen, um einen Denial of Service Zustand herbeizuführen.

Affected products
Product Identifier Version Remediation
Cisco Nexus 1000V Switch for Microsoft Hyper-V
Cisco / Nexus
 cpe:/h:cisco:nexus:1000v_switch_for_microsoft_hyper-v —
Cisco Nexus 9000 Series Switches in standalone NX-OS mode
Cisco / Nexus
 cpe:/h:cisco:nexus:9000_series_switches_in_standalone_nx-os_mode —
Cisco Nexus 7000 Series Switches
Cisco / Nexus
 cpe:/h:cisco:nexus:7000_series_switches —
Cisco MDS 9000
Cisco
 cpe:/o:cisco:mds_9000:- —
Cisco Nexus 1000 Virtual Edge for VMware vSphere
Cisco / Nexus
 cpe:/h:cisco:nexus:1000_virtual_edge_for_vmware_vsphere —
Cisco Nexus 6000 Series Switches
Cisco / Nexus
 cpe:/h:cisco:nexus:6000_series_switches —
Cisco Nexus 5600 Platform Switches
Cisco / Nexus
 cpe:/h:cisco:nexus:5600_platform_switches —
Cisco Nexus 5500 Platform Switches
Cisco / Nexus
 cpe:/h:cisco:nexus:5500_platform_switches —
Cisco Nexus 3000 Series Switches
Cisco / Nexus
 cpe:/h:cisco:nexus:3000_series_switches —
Cisco Nexus 1000V Switch for VMware vSphere
Cisco / Nexus
 cpe:/h:cisco:nexus:1000v_switch_for_vmware_vsphere —
References
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 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": "Die Cisco MDS 9000-Familie stellt Switches f\u00fcr mittelgro\u00dfe SAN-Umgebungen und Directors f\u00fcr Unternehmens-SANs zur Verf\u00fcgung.\r\nBei der Cisco Nexus Serie handelt es sich um modulare Switching-Systeme der Data Center-Klasse.",
        "title": "Produktbeschreibung"
      },
      {
        "category": "summary",
        "text": "Ein lokaler Angreifer kann eine Schwachstelle in Cisco MDS 9000 und Cisco Nexus ausnutzen, um einen Denial of Service Angriff durchzuf\u00fchren.",
        "title": "Angriff"
      },
      {
        "category": "general",
        "text": "- CISCO Appliance",
        "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-2023-2128 - CSAF Version",
        "url": "https://wid.cert-bund.de/.well-known/csaf/white/2023/wid-sec-w-2023-2128.json"
      },
      {
        "category": "self",
        "summary": "WID-SEC-2023-2128 - Portal Version",
        "url": "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2023-2128"
      },
      {
        "category": "external",
        "summary": "Cisco Security Advisory vom 2023-08-23",
        "url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-nxos-remoteauth-dos-XB6pv74m"
      }
    ],
    "source_lang": "en-US",
    "title": "Cisco MDS 9000 und Cisco Nexus: Schwachstelle erm\u00f6glicht Denial of Service",
    "tracking": {
      "current_release_date": "2023-08-23T22:00:00.000+00:00",
      "generator": {
        "date": "2024-08-15T17:57:22.487+00:00",
        "engine": {
          "name": "BSI-WID",
          "version": "1.3.5"
        }
      },
      "id": "WID-SEC-W-2023-2128",
      "initial_release_date": "2023-08-23T22:00:00.000+00:00",
      "revision_history": [
        {
          "date": "2023-08-23T22:00:00.000+00:00",
          "number": "1",
          "summary": "Initiale Fassung"
        }
      ],
      "status": "final",
      "version": "1"
    }
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "category": "product_name",
            "name": "Cisco MDS 9000",
            "product": {
              "name": "Cisco MDS 9000",
              "product_id": "T029462",
              "product_identification_helper": {
                "cpe": "cpe:/o:cisco:mds_9000:-"
              }
            }
          },
          {
            "branches": [
              {
                "category": "product_name",
                "name": "Cisco Nexus 1000 Virtual Edge for VMware vSphere",
                "product": {
                  "name": "Cisco Nexus 1000 Virtual Edge for VMware vSphere",
                  "product_id": "T029461",
                  "product_identification_helper": {
                    "cpe": "cpe:/h:cisco:nexus:1000_virtual_edge_for_vmware_vsphere"
                  }
                }
              },
              {
                "category": "product_name",
                "name": "Cisco Nexus 1000V Switch for Microsoft Hyper-V",
                "product": {
                  "name": "Cisco Nexus 1000V Switch for Microsoft Hyper-V",
                  "product_id": "T029464",
                  "product_identification_helper": {
                    "cpe": "cpe:/h:cisco:nexus:1000v_switch_for_microsoft_hyper-v"
                  }
                }
              },
              {
                "category": "product_name",
                "name": "Cisco Nexus 1000V Switch for VMware vSphere",
                "product": {
                  "name": "Cisco Nexus 1000V Switch for VMware vSphere",
                  "product_id": "T029466",
                  "product_identification_helper": {
                    "cpe": "cpe:/h:cisco:nexus:1000v_switch_for_vmware_vsphere"
                  }
                }
              },
              {
                "category": "product_name",
                "name": "Cisco Nexus 3000 Series Switches",
                "product": {
                  "name": "Cisco Nexus 3000 Series Switches",
                  "product_id": "T029468",
                  "product_identification_helper": {
                    "cpe": "cpe:/h:cisco:nexus:3000_series_switches"
                  }
                }
              },
              {
                "category": "product_name",
                "name": "Cisco Nexus 5500 Platform Switches",
                "product": {
                  "name": "Cisco Nexus 5500 Platform Switches",
                  "product_id": "T029470",
                  "product_identification_helper": {
                    "cpe": "cpe:/h:cisco:nexus:5500_platform_switches"
                  }
                }
              },
              {
                "category": "product_name",
                "name": "Cisco Nexus 5600 Platform Switches",
                "product": {
                  "name": "Cisco Nexus 5600 Platform Switches",
                  "product_id": "T029471",
                  "product_identification_helper": {
                    "cpe": "cpe:/h:cisco:nexus:5600_platform_switches"
                  }
                }
              },
              {
                "category": "product_name",
                "name": "Cisco Nexus 6000 Series Switches",
                "product": {
                  "name": "Cisco Nexus 6000 Series Switches",
                  "product_id": "T029472",
                  "product_identification_helper": {
                    "cpe": "cpe:/h:cisco:nexus:6000_series_switches"
                  }
                }
              },
              {
                "category": "product_name",
                "name": "Cisco Nexus 7000 Series Switches",
                "product": {
                  "name": "Cisco Nexus 7000 Series Switches",
                  "product_id": "T029474",
                  "product_identification_helper": {
                    "cpe": "cpe:/h:cisco:nexus:7000_series_switches"
                  }
                }
              },
              {
                "category": "product_name",
                "name": "Cisco Nexus 9000 Series Switches in standalone NX-OS mode",
                "product": {
                  "name": "Cisco Nexus 9000 Series Switches in standalone NX-OS mode",
                  "product_id": "T029475",
                  "product_identification_helper": {
                    "cpe": "cpe:/h:cisco:nexus:9000_series_switches_in_standalone_nx-os_mode"
                  }
                }
              }
            ],
            "category": "product_name",
            "name": "Nexus"
          }
        ],
        "category": "vendor",
        "name": "Cisco"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2023-20168",
      "notes": [
        {
          "category": "description",
          "text": "Es existiert eine Schwachstelle in Cisco MDS 9000 und Cisco Nexus. Diese ist auf einen Fehler bei der Verarbeitung von Eingaben zur\u00fcckzuf\u00fchren, wenn \"TACACS+\" oder \"Radisu\" aktiviert ist. Ein lokaler Angreifer kann diese Schwachstelle ausnutzen, um einen Denial of Service Zustand herbeizuf\u00fchren."
        }
      ],
      "product_status": {
        "known_affected": [
          "T029464",
          "T029475",
          "T029474",
          "T029462",
          "T029461",
          "T029472",
          "T029471",
          "T029470",
          "T029468",
          "T029466"
        ]
      },
      "release_date": "2023-08-23T22:00:00.000+00:00",
      "title": "CVE-2023-20168"
    }
  ]
}



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