WID-SEC-W-2023-0630

Vulnerability from csaf_certbund - Published: 2021-01-18 23:00 - Updated: 2023-08-13 22:00
Summary
GNU tar: Schwachstelle ermöglicht Offenlegung von Informationen
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: GNU Tar ist ein populäres Programm zur Verarbeitung von Archivdateien. Es ist in vielen Linux Distributionen enthalten.
Angriff: Ein lokaler Angreifer kann eine Schwachstelle in GNU tar ausnutzen, um Informationen offenzulegen.
Betroffene Betriebssysteme: - UNIX - Linux - MacOS X
CVE-2021-20193

Es existiert eine Schwachstelle in GNU tar, welche auf einen Out-of-Bound-Read-Fehler in der Funktion read_header() in list.c zurückzuführen ist. Ein lokaler Angreifer kann diese Schwachstelle ausnutzen, um Informationen offenzulegen.

Affected products
Product Identifier Version Remediation
SUSE Linux
SUSE
 cpe:/o:suse:suse_linux:- —
Ubuntu Linux
Ubuntu
 cpe:/o:canonical:ubuntu_linux:- —
Broadcom Brocade Switch
Broadcom
 cpe:/h:brocade:switch:- —
Open Source Arch Linux
Open Source
 cpe:/o:archlinux:archlinux:- —
Sophos Unified Threat Management (UTM) Software 9.7 MR15
Sophos
 cpe:/a:sophos:unified_threat_management_software:9.7_mr15 —
HPE Switch
HPE
 cpe:/h:hp:switch:- —
Gentoo Linux
Gentoo
 cpe:/o:gentoo:linux:- —
Product Identifier Version Remediation
Open Source GNU tar <= 1.33
Open Source
 cpe:/a:gnu:tar:1.33 —
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": "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": "2024-08-15T17:46:30.889+00:00",
        "engine": {
          "name": "BSI-WID",
          "version": "1.3.5"
        }
      },
      "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": "2021-01-18T23:00:00.000+00:00",
      "title": "CVE-2021-20193"
    }
  ]
}



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