{
  "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": "GNU Tar ist ein popul\u00e4res Programm zur Verarbeitung von Archivdateien. Es ist in vielen Linux Distributionen enthalten.",
        "title": "Produktbeschreibung"
      },
      {
        "category": "summary",
        "text": "Ein lokaler Angreifer kann eine Schwachstelle in GNU tar ausnutzen, um Informationen offenzulegen.",
        "title": "Angriff"
      },
      {
        "category": "general",
        "text": "- UNIX\n- Linux\n- MacOS X",
        "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-2023-0630 - CSAF Version",
        "url": "https://wid.cert-bund.de/.well-known/csaf/white/2021/wid-sec-w-2023-0630.json"
      },
      {
        "category": "self",
        "summary": "WID-SEC-2023-0630 - Portal Version",
        "url": "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2023-0630"
      },
      {
        "category": "external",
        "summary": "HPE Securi+y Bulletin",
        "url": "https://support.hpe.com/hpesc/public/docDisplay?docId=emr_na-hpesbst04494en_us"
      },
      {
        "category": "external",
        "summary": "Sophos UTM Up2date 9.715 vom 2023-03-13",
        "url": "https://community.sophos.com/utm-firewall/b/blog/posts/utm-up2date-9-715-released"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2021:0975-1 vom 2021-03-30",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2021-March/008564.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2021:0974-1 vom 2021-03-30",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2021-March/008563.html"
      },
      {
        "category": "external",
        "summary": "Gentoo Linux Security Advisory GLSA-202105-29 vom 2021-05-26",
        "url": "https://security.gentoo.org/glsa/202105-29"
      },
      {
        "category": "external",
        "summary": "Bug Report auf der Seite https://savannah.gnu.org/bugs/?59897 vom 2021-01-18",
        "url": "https://savannah.gnu.org/bugs/?59897"
      },
      {
        "category": "external",
        "summary": "Arch Linux Security Advisory ASA-202102-41 vom 2021-02-27",
        "url": "https://security.archlinux.org/ASA-202102-41"
      },
      {
        "category": "external",
        "summary": "Ubuntu Security Notice USN-5329-1 vom 2022-03-15",
        "url": "https://ubuntu.com/security/notices/USN-5329-1"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2022:1548-1 vom 2022-05-05",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2022-May/010950.html"
      }
    ],
    "source_lang": "en-US",
    "title": "GNU tar: Schwachstelle erm\u00f6glicht Offenlegung von Informationen",
    "tracking": {
      "current_release_date": "2023-08-13T22:00:00.000+00:00",
      "generator": {
        "date": "2024-02-15T17:18:54.419+00:00",
        "engine": {
          "name": "BSI-WID",
          "version": "1.3.0"
        }
      },
      "id": "WID-SEC-W-2023-0630",
      "initial_release_date": "2021-01-18T23:00:00.000+00:00",
      "revision_history": [
        {
          "date": "2021-01-18T23:00:00.000+00:00",
          "number": "1",
          "summary": "Initiale Fassung"
        },
        {
          "date": "2021-02-28T23:00:00.000+00:00",
          "number": "2",
          "summary": "Neue Updates von Arch Linux aufgenommen"
        },
        {
          "date": "2021-03-29T22:00:00.000+00:00",
          "number": "3",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2021-05-25T22:00:00.000+00:00",
          "number": "4",
          "summary": "Neue Updates von Gentoo aufgenommen"
        },
        {
          "date": "2022-03-15T23:00:00.000+00:00",
          "number": "5",
          "summary": "Neue Updates von Ubuntu aufgenommen"
        },
        {
          "date": "2022-05-05T22:00:00.000+00:00",
          "number": "6",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2023-03-13T23:00:00.000+00:00",
          "number": "7",
          "summary": "Neue Updates aufgenommen"
        },
        {
          "date": "2023-08-13T22:00:00.000+00:00",
          "number": "8",
          "summary": "Neue Updates von HP aufgenommen"
        }
      ],
      "status": "final",
      "version": "8"
    }
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "category": "product_name",
            "name": "Broadcom Brocade Switch",
            "product": {
              "name": "Broadcom Brocade Switch",
              "product_id": "T015844",
              "product_identification_helper": {
                "cpe": "cpe:/h:brocade:switch:-"
              }
            }
          }
        ],
        "category": "vendor",
        "name": "Broadcom"
      },
      {
        "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": [
          {
            "category": "product_name",
            "name": "HPE Switch",
            "product": {
              "name": "HPE Switch",
              "product_id": "T005119",
              "product_identification_helper": {
                "cpe": "cpe:/h:hp:switch:-"
              }
            }
          }
        ],
        "category": "vendor",
        "name": "HPE"
      },
      {
        "branches": [
          {
            "category": "product_name",
            "name": "Open Source Arch Linux",
            "product": {
              "name": "Open Source Arch Linux",
              "product_id": "T013312",
              "product_identification_helper": {
                "cpe": "cpe:/o:archlinux:archlinux:-"
              }
            }
          },
          {
            "category": "product_name",
            "name": "Open Source GNU tar \u003c= 1.33",
            "product": {
              "name": "Open Source GNU tar \u003c= 1.33",
              "product_id": "T018113",
              "product_identification_helper": {
                "cpe": "cpe:/a:gnu:tar:1.33"
              }
            }
          }
        ],
        "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": "Sophos Unified Threat Management (UTM) Software 9.7 MR15",
            "product": {
              "name": "Sophos Unified Threat Management (UTM) Software 9.7 MR15",
              "product_id": "T026721",
              "product_identification_helper": {
                "cpe": "cpe:/a:sophos:unified_threat_management_software:9.7_mr15"
              }
            }
          }
        ],
        "category": "vendor",
        "name": "Sophos"
      },
      {
        "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-2021-20193",
      "notes": [
        {
          "category": "description",
          "text": "Es existiert eine Schwachstelle in GNU tar, welche auf einen Out-of-Bound-Read-Fehler in der Funktion read_header() in list.c zur\u00fcckzuf\u00fchren ist. Ein lokaler Angreifer kann diese Schwachstelle ausnutzen, um Informationen offenzulegen."
        }
      ],
      "product_status": {
        "known_affected": [
          "T002207",
          "T000126",
          "T015844",
          "T013312",
          "T026721",
          "T005119",
          "T012167"
        ],
        "last_affected": [
          "T018113"
        ]
      },
      "release_date": "2021-01-18T23:00:00Z",
      "title": "CVE-2021-20193"
    }
  ]
}