{
  "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": "Strongswan ist eine IPSec-basierte VPN Implementierung.",
        "title": "Produktbeschreibung"
      },
      {
        "category": "summary",
        "text": "Ein entfernter, anonymer Angreifer kann eine Schwachstelle in strongSwan ausnutzen, um Sicherheitsvorkehrungen zu umgehen und einen Denial of Service Zustand herzustellen.",
        "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-2024-1023 - CSAF Version",
        "url": "https://wid.cert-bund.de/.well-known/csaf/white/2022/wid-sec-w-2024-1023.json"
      },
      {
        "category": "self",
        "summary": "WID-SEC-2024-1023 - Portal Version",
        "url": "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2024-1023"
      },
      {
        "category": "external",
        "summary": "StrongSwan Security Advisory vom 2022-01-24",
        "url": "https://download.strongswan.org/security/CVE-2021-45079/"
      },
      {
        "category": "external",
        "summary": "Debian Security Advisory vom 2022-01-24",
        "url": "https://lists.debian.org/debian-security-announce/2022/msg00022.html"
      },
      {
        "category": "external",
        "summary": "Ubuntu Security Advisory vom 2022-01-24",
        "url": "https://ubuntu.com/security/notices/USN-5250-2"
      },
      {
        "category": "external",
        "summary": "Ubuntu Security Advisory vom 2022-01-24",
        "url": "https://ubuntu.com/security/notices/USN-5250-1"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2022:0202-1 vom 2022-01-26",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2022-January/010084.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2022:0211-1 vom 2022-01-27",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2022-January/010126.html"
      },
      {
        "category": "external",
        "summary": "Debian Security Advisory DLA-2909 vom 2022-02-03",
        "url": "https://lists.debian.org/debian-lts-announce/2022/02/msg00003.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2022:14887-1 vom 2022-02-18",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2022-February/010262.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2022:0492-1 vom 2022-02-18",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2022-February/010267.html"
      },
      {
        "category": "external",
        "summary": "Gentoo Linux Security Advisory GLSA-202405-08 vom 2024-05-04",
        "url": "https://security.gentoo.org/glsa/202405-08"
      }
    ],
    "source_lang": "en-US",
    "title": "strongSwan: Schwachstelle erm\u00f6glicht Umgehen von Sicherheitsvorkehrungen",
    "tracking": {
      "current_release_date": "2024-05-05T22:00:00.000+00:00",
      "generator": {
        "date": "2024-05-06T08:34:23.292+00:00",
        "engine": {
          "name": "BSI-WID",
          "version": "1.3.0"
        }
      },
      "id": "WID-SEC-W-2024-1023",
      "initial_release_date": "2022-01-24T23:00:00.000+00:00",
      "revision_history": [
        {
          "date": "2022-01-24T23:00:00.000+00:00",
          "number": "1",
          "summary": "Initiale Fassung"
        },
        {
          "date": "2022-01-26T23:00:00.000+00:00",
          "number": "2",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2022-01-27T23:00:00.000+00:00",
          "number": "3",
          "summary": "Neue Updates von SUSE und Fedora aufgenommen"
        },
        {
          "date": "2022-02-03T23:00:00.000+00:00",
          "number": "4",
          "summary": "Neue Updates von Debian aufgenommen"
        },
        {
          "date": "2022-02-20T23:00:00.000+00:00",
          "number": "5",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2024-05-05T22:00:00.000+00:00",
          "number": "6",
          "summary": "Neue Updates von Gentoo 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": "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": "\u003c5.9.5",
                "product": {
                  "name": "Open Source strongSwan \u003c5.9.5",
                  "product_id": "T021804",
                  "product_identification_helper": {
                    "cpe": "cpe:/a:strongswan:strongswan:5.9.5"
                  }
                }
              }
            ],
            "category": "product_name",
            "name": "strongSwan"
          }
        ],
        "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": "T016400",
              "product_identification_helper": {
                "cpe": "cpe:/o:canonical:ubuntu_linux:-"
              }
            }
          }
        ],
        "category": "vendor",
        "name": "Ubuntu"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2021-45079",
      "notes": [
        {
          "category": "description",
          "text": "Es existiert eine Schwachstelle in strongSwan. Der Fehler besteht im Code des EAP-Authentifizierungsclients. Ein entfernter anonymer Angreifer kann diese Schwachstelle ausnutzen, um Sicherheitsma\u00dfnahmen zu umgehen und einen Denial-of-Service-Zustand zu verursachen."
        }
      ],
      "product_status": {
        "known_affected": [
          "2951",
          "T002207",
          "T012167",
          "T016400"
        ]
      },
      "release_date": "2022-01-24T23:00:00Z",
      "title": "CVE-2021-45079"
    }
  ]
}