wid-sec-w-2022-0198
Vulnerability from csaf_certbund
Published
2022-01-25 23:00
Modified
2022-11-28 23:00
Summary
Varnish HTTP Cache: Schwachstelle ermöglicht Offenlegung von Informationen und Cache Poisoning

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
Varnish ist ein Reverse-Proxy, der als HTTP-Beschleuniger verwendet wird.
Angriff
Ein entfernter, anonymer Angreifer kann eine Schwachstelle in Varnish HTTP Cache ausnutzen, um Informationen offenzulegen und ein Cache Poisoning zu verursachen.
Betroffene Betriebssysteme
- UNIX - Linux


To clipboard 

{
  "document": {
    "aggregate_severity": {
      "text": "hoch"
    },
    "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": "Varnish ist ein Reverse-Proxy, der als HTTP-Beschleuniger verwendet wird.",
        "title": "Produktbeschreibung"
      },
      {
        "category": "summary",
        "text": "Ein entfernter, anonymer Angreifer kann eine Schwachstelle in Varnish HTTP Cache ausnutzen, um Informationen offenzulegen und ein Cache Poisoning zu verursachen.",
        "title": "Angriff"
      },
      {
        "category": "general",
        "text": "- UNIX\n- 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-2022-0198 - CSAF Version",
        "url": "https://wid.cert-bund.de/.well-known/csaf/white/2022/wid-sec-w-2022-0198.json"
      },
      {
        "category": "self",
        "summary": "WID-SEC-2022-0198 - Portal Version",
        "url": "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2022-0198"
      },
      {
        "category": "external",
        "summary": "Oracle Linux Security Advisory ELSA-2022-8649 vom 2022-11-28",
        "url": "https://linux.oracle.com/errata/ELSA-2022-8649.html"
      },
      {
        "category": "external",
        "summary": "Varnish Security Advisory vom 2022-01-25",
        "url": "https://varnish-cache.org/security/VSV00008.html"
      },
      {
        "category": "external",
        "summary": "Varnish Security Advisory vom 2022-01-25",
        "url": "https://docs.varnish-software.com/security/VSV00008/"
      },
      {
        "category": "external",
        "summary": "Red Hat Security Advisory RHSA-2022:0421 vom 2022-02-03",
        "url": "https://access.redhat.com/errata/RHSA-2022:0421"
      },
      {
        "category": "external",
        "summary": "Oracle Linux Security Advisory ELSA-2022-0418 vom 2022-02-03",
        "url": "http://linux.oracle.com/errata/ELSA-2022-0418.html"
      },
      {
        "category": "external",
        "summary": "Red Hat Security Advisory RHSA-2022:0420 vom 2022-02-03",
        "url": "https://access.redhat.com/errata/RHSA-2022:0420"
      },
      {
        "category": "external",
        "summary": "Red Hat Security Advisory RHSA-2022:0418 vom 2022-02-03",
        "url": "https://access.redhat.com/errata/RHSA-2022:0418"
      },
      {
        "category": "external",
        "summary": "Red Hat Security Advisory RHSA-2022:0422 vom 2022-02-03",
        "url": "https://access.redhat.com/errata/RHSA-2022:0422"
      },
      {
        "category": "external",
        "summary": "Debian Security Advisory DLA-2920 vom 2022-02-14",
        "url": "https://lists.debian.org/debian-lts-announce/2022/02/msg00014.html"
      },
      {
        "category": "external",
        "summary": "Red Hat Security Advisory RHSA-2022:4745 vom 2022-05-26",
        "url": "https://access.redhat.com/errata/RHSA-2022:4745"
      },
      {
        "category": "external",
        "summary": "Debian Security Advisory DSA-5088 vom 2022-03-03",
        "url": "https://lists.debian.org/debian-security-announce/2022/msg00055.html"
      },
      {
        "category": "external",
        "summary": "Ubuntu Security Notice USN-5474-1 vom 2022-06-08",
        "url": "https://ubuntu.com/security/notices/USN-5474-1"
      },
      {
        "category": "external",
        "summary": "Amazon Linux Security Advisory ALAS-2022-1632 vom 2022-08-23",
        "url": "https://alas.aws.amazon.com/ALAS-2022-1632.html"
      }
    ],
    "source_lang": "en-US",
    "title": "Varnish HTTP Cache: Schwachstelle erm\u00f6glicht Offenlegung von Informationen und Cache Poisoning",
    "tracking": {
      "current_release_date": "2022-11-28T23:00:00.000+00:00",
      "generator": {
        "date": "2024-02-15T16:47:06.520+00:00",
        "engine": {
          "name": "BSI-WID",
          "version": "1.3.0"
        }
      },
      "id": "WID-SEC-W-2022-0198",
      "initial_release_date": "2022-01-25T23:00:00.000+00:00",
      "revision_history": [
        {
          "date": "2022-01-25T23:00:00.000+00:00",
          "number": "1",
          "summary": "Initiale Fassung"
        },
        {
          "date": "2022-02-03T23:00:00.000+00:00",
          "number": "2",
          "summary": "Neue Updates von Red Hat und Oracle Linux aufgenommen"
        },
        {
          "date": "2022-02-07T23:00:00.000+00:00",
          "number": "3",
          "summary": "Referenz(en) aufgenommen: FEDORA-2022-2F14EC7663"
        },
        {
          "date": "2022-02-13T23:00:00.000+00:00",
          "number": "4",
          "summary": "Neue Updates von Debian aufgenommen"
        },
        {
          "date": "2022-03-03T23:00:00.000+00:00",
          "number": "5",
          "summary": "Neue Updates von Debian aufgenommen"
        },
        {
          "date": "2022-05-26T22:00:00.000+00:00",
          "number": "6",
          "summary": "Neue Updates von Red Hat aufgenommen"
        },
        {
          "date": "2022-06-08T22:00:00.000+00:00",
          "number": "7",
          "summary": "Neue Updates von Ubuntu aufgenommen"
        },
        {
          "date": "2022-08-23T22:00:00.000+00:00",
          "number": "8",
          "summary": "Neue Updates von Amazon aufgenommen"
        },
        {
          "date": "2022-11-28T23:00:00.000+00:00",
          "number": "9",
          "summary": "Neue Updates von Oracle Linux aufgenommen"
        }
      ],
      "status": "final",
      "version": "9"
    }
  },
  "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": [
          {
            "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": [
          {
            "branches": [
              {
                "category": "product_name",
                "name": "Open Source Varnish HTTP Cache \u003c 6.6.2",
                "product": {
                  "name": "Open Source Varnish HTTP Cache \u003c 6.6.2",
                  "product_id": "T021818",
                  "product_identification_helper": {
                    "cpe": "cpe:/a:varnish_http_accelerator_integration_project:varnish:6.6.2"
                  }
                }
              },
              {
                "category": "product_name",
                "name": "Open Source Varnish HTTP Cache \u003c 7.0.2",
                "product": {
                  "name": "Open Source Varnish HTTP Cache \u003c 7.0.2",
                  "product_id": "T021819",
                  "product_identification_helper": {
                    "cpe": "cpe:/a:varnish_http_accelerator_integration_project:varnish:7.0.2"
                  }
                }
              },
              {
                "category": "product_name",
                "name": "Open Source Varnish HTTP Cache \u003c LTS 6.0.10",
                "product": {
                  "name": "Open Source Varnish HTTP Cache \u003c LTS 6.0.10",
                  "product_id": "T021820",
                  "product_identification_helper": {
                    "cpe": "cpe:/a:varnish_http_accelerator_integration_project:varnish:lts_6.0.10"
                  }
                }
              },
              {
                "category": "product_name",
                "name": "Open Source Varnish HTTP Cache \u003c Plus 6.0.9r4",
                "product": {
                  "name": "Open Source Varnish HTTP Cache \u003c Plus 6.0.9r4",
                  "product_id": "T021821",
                  "product_identification_helper": {
                    "cpe": "cpe:/a:varnish_http_accelerator_integration_project:varnish:plus_6.0.9r4"
                  }
                }
              },
              {
                "category": "product_name",
                "name": "Open Source Varnish HTTP Cache \u003c Plus 4.1.11r6",
                "product": {
                  "name": "Open Source Varnish HTTP Cache \u003c Plus 4.1.11r6",
                  "product_id": "T021822",
                  "product_identification_helper": {
                    "cpe": "cpe:/a:varnish_http_accelerator_integration_project:varnish:plus_4.1.11r6"
                  }
                }
              }
            ],
            "category": "product_name",
            "name": "Varnish HTTP Cache"
          }
        ],
        "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": "Red Hat Enterprise Linux",
            "product": {
              "name": "Red Hat Enterprise Linux",
              "product_id": "67646",
              "product_identification_helper": {
                "cpe": "cpe:/o:redhat:enterprise_linux:-"
              }
            }
          }
        ],
        "category": "vendor",
        "name": "Red Hat"
      },
      {
        "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-2022-23959",
      "notes": [
        {
          "category": "description",
          "text": "Es existiert eine Schwachstelle in Varnish HTTP Cache. Die Software ist anf\u00e4llig f\u00fcr einen Request Smuggling-Angriff kann auf HTTP/1-Verbindungen. Die eingeschmuggelte Anfrage wird vom Varnish-Server als zus\u00e4tzliche Anfrage behandelt, durchl\u00e4uft die normale VCL-Verarbeitung und wird als falsche Antwort in die Client-Verbindung eingespeist. Ein entfernter anonymer Angreifer kann diese Schwachstelle ausnutzen, um Informationen offenzulegen und ein Cache Poisoning zu verursachen."
        }
      ],
      "product_status": {
        "known_affected": [
          "2951",
          "67646",
          "T000126",
          "398363",
          "T004914"
        ]
      },
      "release_date": "2022-01-25T23:00:00Z",
      "title": "CVE-2022-23959"
    }
  ]
}


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