WID-SEC-W-2022-0920

Vulnerability from csaf_certbund - Published: 2022-03-02 23:00 - Updated: 2022-11-29 23:00
Summary
GnuTLS: Schwachstelle ermöglicht Denial of Service

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
GnuTLS (GNU Transport Layer Security Library) ist eine im Quelltext frei verfügbare Bibliothek, die Secure Sockets Layer (SSL) und Transport Layer Security (TLS) implementiert.
Angriff
Ein entfernter, authentisierter Angreifer kann eine Schwachstelle in GnuTLS ausnutzen, um einen Denial of Service Angriff durchzuführen.
Betroffene Betriebssysteme
- Linux
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": "GnuTLS (GNU Transport Layer Security Library) ist eine im Quelltext frei verf\u00fcgbare Bibliothek, die Secure Sockets Layer (SSL) und Transport Layer Security (TLS) implementiert.",
        "title": "Produktbeschreibung"
      },
      {
        "category": "summary",
        "text": "Ein entfernter, authentisierter Angreifer kann eine Schwachstelle in GnuTLS ausnutzen, um einen Denial of Service Angriff durchzuf\u00fchren.",
        "title": "Angriff"
      },
      {
        "category": "general",
        "text": "- 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-2022-0920 - CSAF Version",
        "url": "https://wid.cert-bund.de/.well-known/csaf/white/2022/wid-sec-w-2022-0920.json"
      },
      {
        "category": "self",
        "summary": "WID-SEC-2022-0920 - Portal Version",
        "url": "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2022-0920"
      },
      {
        "category": "external",
        "summary": "Ubuntu Security Notice USN-5750-1 vom 2022-11-30",
        "url": "https://ubuntu.com/security/notices/USN-5750-1"
      },
      {
        "category": "external",
        "summary": "SuSE Security Advisory vom 2022-03-02",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2022-March/010333.html"
      },
      {
        "category": "external",
        "summary": "SuSE Security Advisory vom 2022-03-02",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2022-March/010334.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2022:0717-1 vom 2022-03-04",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2022-March/010350.html"
      },
      {
        "category": "external",
        "summary": "Ubuntu Security Notice USN-5550-1 vom 2022-08-04",
        "url": "https://ubuntu.com/security/notices/USN-5550-1"
      },
      {
        "category": "external",
        "summary": "Debian Security Advisory DLA-3070 vom 2022-08-12",
        "url": "https://lists.debian.org/debian-lts-announce/2022/08/msg00002.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2022:2830-1 vom 2022-08-17",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2022-August/011930.html"
      },
      {
        "category": "external",
        "summary": "NetApp Security Advisory NTAP-20220915-0005 vom 2022-09-15",
        "url": "https://security.netapp.com/advisory/ntap-20220915-0005/"
      }
    ],
    "source_lang": "en-US",
    "title": "GnuTLS: Schwachstelle erm\u00f6glicht Denial of Service",
    "tracking": {
      "current_release_date": "2022-11-29T23:00:00.000+00:00",
      "generator": {
        "date": "2024-08-15T17:32:50.097+00:00",
        "engine": {
          "name": "BSI-WID",
          "version": "1.3.5"
        }
      },
      "id": "WID-SEC-W-2022-0920",
      "initial_release_date": "2022-03-02T23:00:00.000+00:00",
      "revision_history": [
        {
          "date": "2022-03-02T23:00:00.000+00:00",
          "number": "1",
          "summary": "Initiale Fassung"
        },
        {
          "date": "2022-03-06T23:00:00.000+00:00",
          "number": "2",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2022-05-02T22:00:00.000+00:00",
          "number": "3",
          "summary": "Referenz(en) aufgenommen: 0220677"
        },
        {
          "date": "2022-08-04T22:00:00.000+00:00",
          "number": "4",
          "summary": "Neue Updates von Ubuntu aufgenommen"
        },
        {
          "date": "2022-08-11T22:00:00.000+00:00",
          "number": "5",
          "summary": "Neue Updates von Debian aufgenommen"
        },
        {
          "date": "2022-08-17T22:00:00.000+00:00",
          "number": "6",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2022-09-15T22:00:00.000+00:00",
          "number": "7",
          "summary": "Neue Updates von NetApp aufgenommen"
        },
        {
          "date": "2022-11-29T23:00:00.000+00:00",
          "number": "8",
          "summary": "Neue Updates von Ubuntu aufgenommen"
        }
      ],
      "status": "final",
      "version": "8"
    }
  },
  "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": "NetApp ActiveIQ Unified Manager",
            "product": {
              "name": "NetApp ActiveIQ Unified Manager",
              "product_id": "658714",
              "product_identification_helper": {
                "cpe": "cpe:/a:netapp:active_iq_unified_manager:-::~~~vmware_vsphere~~"
              }
            }
          }
        ],
        "category": "vendor",
        "name": "NetApp"
      },
      {
        "branches": [
          {
            "category": "product_name",
            "name": "Open Source GnuTLS",
            "product": {
              "name": "Open Source GnuTLS",
              "product_id": "4409",
              "product_identification_helper": {
                "cpe": "cpe:/a:gnu:gnutls:-"
              }
            }
          }
        ],
        "category": "vendor",
        "name": "Open Source"
      },
      {
        "branches": [
          {
            "category": "product_name",
            "name": "SUSE Linux",
            "product": {
              "name": "SUSE Linux",
              "product_id": "T021836",
              "product_identification_helper": {
                "cpe": "cpe:/o:suse:suse_linux:enterprise_server_12"
              }
            }
          }
        ],
        "category": "vendor",
        "name": "SUSE"
      },
      {
        "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-2021-4209",
      "notes": [
        {
          "category": "description",
          "text": "Es existiert eine Schwachstelle in GnuTLS aufgrund einer Nullzeiger Dereferenzierung in \"MD_UPDATE\". Ein authentisierter Angreifer kann diese Schwachstelle ausnutzen, um einen Denial of Service zu verursachen."
        }
      ],
      "product_status": {
        "known_affected": [
          "4409",
          "2951",
          "T000126",
          "658714",
          "T021836"
        ]
      },
      "release_date": "2022-03-02T23:00:00.000+00:00",
      "title": "CVE-2021-4209"
    }
  ]
}


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  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
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  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Detection rules are retrieved from Rulezet.