{
  "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": "ModSecurity ist eine Open Source Web Application Firewall, die f\u00fcr verschiedene Webserver verf\u00fcgbar ist.",
        "title": "Produktbeschreibung"
      },
      {
        "category": "summary",
        "text": "Ein entfernter, anonymer Angreifer kann eine Schwachstelle in Trustwave ModSecurity ausnutzen, um einen Denial of Service Angriff durchzuf\u00fchren.",
        "title": "Angriff"
      },
      {
        "category": "general",
        "text": "- Linux\n- Sonstiges\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-2023-1578 - CSAF Version",
        "url": "https://wid.cert-bund.de/.well-known/csaf/white/2021/wid-sec-w-2023-1578.json"
      },
      {
        "category": "self",
        "summary": "WID-SEC-2023-1578 - Portal Version",
        "url": "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2023-1578"
      },
      {
        "category": "external",
        "summary": "Trustwave SpiderLabs Security Advisory vom 2021-12-07",
        "url": "https://www.trustwave.com/en-us/resources/blogs/spiderlabs-blog/modsecurity-dos-vulnerability-in-json-parsing-cve-2021-42717/"
      },
      {
        "category": "external",
        "summary": "Debian Security Advisory DSA-5023 vom 2021-12-19",
        "url": "https://www.debian.org/security/2021/dsa-5023"
      },
      {
        "category": "external",
        "summary": "Debian Security Advisory DLA-3031 vom 2022-05-28",
        "url": "https://lists.debian.org/debian-lts-announce/2022/05/msg00042.html"
      },
      {
        "category": "external",
        "summary": "Fedora Security Advisory FEDORA-EPEL-2023-C5AD3565AA vom 2023-06-27",
        "url": "https://bodhi.fedoraproject.org/updates/FEDORA-EPEL-2023-c5ad3565aa"
      },
      {
        "category": "external",
        "summary": "Ubuntu Security Notice USN-6370-1 vom 2023-09-14",
        "url": "https://ubuntu.com/security/notices/USN-6370-1"
      },
      {
        "category": "external",
        "summary": "HPE Security Bulletin vom 2024-04-30",
        "url": "https://support.hpe.com/hpesc/public/docDisplay?docId=hpesbgn04639en_us\u0026docLocale=en_US"
      }
    ],
    "source_lang": "en-US",
    "title": "Trustwave ModSecurity: Schwachstelle erm\u00f6glicht Denial of Service",
    "tracking": {
      "current_release_date": "2024-05-01T22:00:00.000+00:00",
      "generator": {
        "date": "2024-05-02T08:41:11.723+00:00",
        "engine": {
          "name": "BSI-WID",
          "version": "1.3.0"
        }
      },
      "id": "WID-SEC-W-2023-1578",
      "initial_release_date": "2021-12-07T23:00:00.000+00:00",
      "revision_history": [
        {
          "date": "2021-12-07T23:00:00.000+00:00",
          "number": "1",
          "summary": "Initiale Fassung"
        },
        {
          "date": "2021-12-19T23:00:00.000+00:00",
          "number": "2",
          "summary": "Neue Updates von Debian aufgenommen"
        },
        {
          "date": "2022-05-29T22:00:00.000+00:00",
          "number": "3",
          "summary": "Neue Updates von Debian aufgenommen"
        },
        {
          "date": "2023-06-27T22:00:00.000+00:00",
          "number": "4",
          "summary": "Neue Updates von Fedora aufgenommen"
        },
        {
          "date": "2023-09-14T22:00:00.000+00:00",
          "number": "5",
          "summary": "Neue Updates von Ubuntu aufgenommen"
        },
        {
          "date": "2024-05-01T22:00:00.000+00:00",
          "number": "6",
          "summary": "Neue Updates von HP aufgenommen"
        }
      ],
      "status": "final",
      "version": "6"
    }
  },
  "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": "Fedora Linux",
            "product": {
              "name": "Fedora Linux",
              "product_id": "74185",
              "product_identification_helper": {
                "cpe": "cpe:/o:fedoraproject:fedora:-"
              }
            }
          }
        ],
        "category": "vendor",
        "name": "Fedora"
      },
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "\u003c8.90.00",
                "product": {
                  "name": "HPE OneView \u003c8.90.00",
                  "product_id": "T034488",
                  "product_identification_helper": {
                    "cpe": "cpe:/a:hp:oneview:8.90.00"
                  }
                }
              }
            ],
            "category": "product_name",
            "name": "OneView"
          }
        ],
        "category": "vendor",
        "name": "HPE"
      },
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "\u003c2.9.5",
                "product": {
                  "name": "Trustwave ModSecurity \u003c2.9.5",
                  "product_id": "T021210",
                  "product_identification_helper": {
                    "cpe": "cpe:/a:modsecurity:modsecurity:2.9.5"
                  }
                }
              },
              {
                "category": "product_version_range",
                "name": "\u003c3.0.6",
                "product": {
                  "name": "Trustwave ModSecurity \u003c3.0.6",
                  "product_id": "T021211",
                  "product_identification_helper": {
                    "cpe": "cpe:/a:modsecurity:modsecurity:3.0.6"
                  }
                }
              }
            ],
            "category": "product_name",
            "name": "ModSecurity"
          }
        ],
        "category": "vendor",
        "name": "Open Source"
      },
      {
        "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-2021-42717",
      "notes": [
        {
          "category": "description",
          "text": "Es existiert eine Schwachstelle in Trustwave ModSecurity. Eine fehlerhafte Behandlung von \u00fcberm\u00e4\u00dfig verschachtelten JSON-Objekten kann dazu f\u00fchren, dass der Webserver nicht mehr in der Lage ist, legitime Anfragen zu bearbeiten. Ein entfernter anonymer Angreifer kann diese Schwachstelle ausnutzen, um einen Denial of Service zu verursachen."
        }
      ],
      "product_status": {
        "known_affected": [
          "2951",
          "T000126",
          "T034488",
          "74185"
        ]
      },
      "release_date": "2021-12-07T23:00:00Z",
      "title": "CVE-2021-42717"
    }
  ]
}