WID-SEC-W-2022-1121

Vulnerability from csaf_certbund - Published: 2021-10-14 22:00 - Updated: 2024-03-20 23:00
Summary
Apache Tomcat: Schwachstelle ermöglicht Denial of Service
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: Apache Tomcat ist ein Web-Applikationsserver für verschiedene Plattformen.
Angriff: Ein entfernter, anonymer Angreifer kann eine Schwachstelle in Apache Tomcat ausnutzen, um einen Denial of Service Angriff durchzuführen.
Betroffene Betriebssysteme: - UNIX - Linux - Windows - Sonstiges
CVE-2021-42340

Es existiert eine Schwachstelle in Apache Tomcat. Diese Schwachstelle besteht aufgrund eines Fehlers beim Schließen von Websocket-Verbindungen. Dadurch kann ein Out-of-Memory-Fehler auftreten. Ein entfernter, anonymer Angreifer kann diese Schwachstelle ausnutzen, um einen Denial of Service Zustand herbeizuführen.

Affected products
Product Identifier Version Remediation
Debian Linux
Debian
 cpe:/o:debian:debian_linux:- —
Red Hat Enterprise Linux
Red Hat
 cpe:/o:redhat:enterprise_linux:- —
Amazon Linux 2
Amazon
 cpe:/o:amazon:linux_2:- —
Gentoo Linux
Gentoo
 cpe:/o:gentoo:linux:- —
IBM Spectrum Protect Plus 10.1
IBM / Spectrum Protect
 cpe:/a:ibm:spectrum_protect:plus_10.1 Plus 10.1
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": "Apache Tomcat ist ein Web-Applikationsserver f\u00fcr verschiedene Plattformen.",
        "title": "Produktbeschreibung"
      },
      {
        "category": "summary",
        "text": "Ein entfernter, anonymer Angreifer kann eine Schwachstelle in Apache Tomcat ausnutzen, um einen Denial of Service Angriff durchzuf\u00fchren.",
        "title": "Angriff"
      },
      {
        "category": "general",
        "text": "- UNIX\n- Linux\n- Windows\n- Sonstiges",
        "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-2022-1121 - CSAF Version",
        "url": "https://wid.cert-bund.de/.well-known/csaf/white/2021/wid-sec-w-2022-1121.json"
      },
      {
        "category": "self",
        "summary": "WID-SEC-2022-1121 - Portal Version",
        "url": "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2022-1121"
      },
      {
        "category": "external",
        "summary": "Red Hat Bugzilla - Bug 2014356 vom 2021-10-14",
        "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2014356"
      },
      {
        "category": "external",
        "summary": "Apache Tomcat Schwachstellen vom 2021-10-14",
        "url": "https://tomcat.apache.org/security-10.html"
      },
      {
        "category": "external",
        "summary": "Apache Tomcat Schwachstellen vom 2021-10-14",
        "url": "https://tomcat.apache.org/security-9.html"
      },
      {
        "category": "external",
        "summary": "Apache Tomcat Schwachstellen vom 2021-10-14",
        "url": "https://tomcat.apache.org/security-8.html"
      },
      {
        "category": "external",
        "summary": "Amazon Linux Security Advisory ALAS-2021-1546 vom 2021-11-05",
        "url": "https://alas.aws.amazon.com/ALAS-2021-1546.html"
      },
      {
        "category": "external",
        "summary": "Debian Security Advisory DSA-5009 vom 2021-11-12",
        "url": "https://www.debian.org/security/2021/dsa-5009"
      },
      {
        "category": "external",
        "summary": "Red Hat Security Advisory RHSA-2021:4861 vom 2021-11-30",
        "url": "https://access.redhat.com/errata/RHSA-2021:4861"
      },
      {
        "category": "external",
        "summary": "Red Hat Security Advisory RHSA-2021:4863 vom 2021-11-30",
        "url": "https://access.redhat.com/errata/RHSA-2021:4863"
      },
      {
        "category": "external",
        "summary": "Red Hat Security Advisory RHSA-2022:1179 vom 2022-04-13",
        "url": "https://access.redhat.com/errata/RHSA-2022:1179"
      },
      {
        "category": "external",
        "summary": "Gentoo Linux Security Advisory GLSA-202208-34 vom 2022-08-23",
        "url": "https://security.gentoo.org/glsa/202208-34"
      },
      {
        "category": "external",
        "summary": "Amazon Linux Security Advisory ALASTOMCAT9-2023-006 vom 2023-09-27",
        "url": "https://alas.aws.amazon.com/AL2/ALASTOMCAT9-2023-006.html"
      },
      {
        "category": "external",
        "summary": "Amazon Linux Security Advisory ALASTOMCAT8.5-2023-006 vom 2023-09-27",
        "url": "https://alas.aws.amazon.com/AL2/ALASTOMCAT8.5-2023-006.html"
      },
      {
        "category": "external",
        "summary": "IBM Security Bulletin 7144861 vom 2024-03-20",
        "url": "https://www.ibm.com/support/pages/node/7144861"
      }
    ],
    "source_lang": "en-US",
    "title": "Apache Tomcat: Schwachstelle erm\u00f6glicht Denial of Service",
    "tracking": {
      "current_release_date": "2024-03-20T23:00:00.000+00:00",
      "generator": {
        "date": "2024-08-15T17:33:44.601+00:00",
        "engine": {
          "name": "BSI-WID",
          "version": "1.3.5"
        }
      },
      "id": "WID-SEC-W-2022-1121",
      "initial_release_date": "2021-10-14T22:00:00.000+00:00",
      "revision_history": [
        {
          "date": "2021-10-14T22:00:00.000+00:00",
          "number": "1",
          "summary": "Initiale Fassung"
        },
        {
          "date": "2021-10-18T22:00:00.000+00:00",
          "number": "2",
          "summary": "Anpassung"
        },
        {
          "date": "2021-11-04T23:00:00.000+00:00",
          "number": "3",
          "summary": "Neue Updates von Amazon aufgenommen"
        },
        {
          "date": "2021-11-14T23:00:00.000+00:00",
          "number": "4",
          "summary": "Neue Updates von Debian aufgenommen"
        },
        {
          "date": "2021-11-30T23:00:00.000+00:00",
          "number": "5",
          "summary": "Neue Updates von Red Hat aufgenommen"
        },
        {
          "date": "2022-04-12T22:00:00.000+00:00",
          "number": "6",
          "summary": "Neue Updates von Red Hat aufgenommen"
        },
        {
          "date": "2022-08-22T22:00:00.000+00:00",
          "number": "7",
          "summary": "Neue Updates von Gentoo aufgenommen"
        },
        {
          "date": "2023-09-27T22:00:00.000+00:00",
          "number": "8",
          "summary": "Neue Updates von Amazon aufgenommen"
        },
        {
          "date": "2024-03-20T23:00:00.000+00:00",
          "number": "9",
          "summary": "Neue Updates von IBM aufgenommen"
        }
      ],
      "status": "final",
      "version": "9"
    }
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "category": "product_name",
            "name": "Amazon Linux 2",
            "product": {
              "name": "Amazon Linux 2",
              "product_id": "398363",
              "product_identification_helper": {
                "cpe": "cpe:/o:amazon:linux_2:-"
              }
            }
          }
        ],
        "category": "vendor",
        "name": "Amazon"
      },
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "\u003c 8.5.72",
                "product": {
                  "name": "Apache Tomcat \u003c 8.5.72",
                  "product_id": "T020645"
                }
              },
              {
                "category": "product_version_range",
                "name": "\u003c 9.0.54",
                "product": {
                  "name": "Apache Tomcat \u003c 9.0.54",
                  "product_id": "T020646"
                }
              },
              {
                "category": "product_version_range",
                "name": "\u003c 10.0.12",
                "product": {
                  "name": "Apache Tomcat \u003c 10.0.12",
                  "product_id": "T020647"
                }
              }
            ],
            "category": "product_name",
            "name": "Tomcat"
          }
        ],
        "category": "vendor",
        "name": "Apache"
      },
      {
        "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",
                "name": "Plus 10.1",
                "product": {
                  "name": "IBM Spectrum Protect Plus 10.1",
                  "product_id": "T015895",
                  "product_identification_helper": {
                    "cpe": "cpe:/a:ibm:spectrum_protect:plus_10.1"
                  }
                }
              }
            ],
            "category": "product_name",
            "name": "Spectrum Protect"
          }
        ],
        "category": "vendor",
        "name": "IBM"
      },
      {
        "branches": [
          {
            "category": "product_name",
            "name": "Red Hat Enterprise Linux",
            "product": {
              "name": "Red Hat Enterprise Linux",
              "product_id": "67646",
              "product_identification_helper": {
                "cpe": "cpe:/o:redhat:enterprise_linux:-"
              }
            }
          }
        ],
        "category": "vendor",
        "name": "Red Hat"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2021-42340",
      "notes": [
        {
          "category": "description",
          "text": "Es existiert eine Schwachstelle in Apache Tomcat. Diese Schwachstelle besteht aufgrund eines Fehlers beim Schlie\u00dfen von Websocket-Verbindungen. Dadurch kann ein Out-of-Memory-Fehler auftreten. Ein entfernter, anonymer Angreifer kann diese Schwachstelle ausnutzen, um einen Denial of Service Zustand herbeizuf\u00fchren."
        }
      ],
      "product_status": {
        "known_affected": [
          "2951",
          "67646",
          "398363",
          "T012167",
          "T015895"
        ]
      },
      "release_date": "2021-10-14T22:00:00.000+00:00",
      "title": "CVE-2021-42340"
    }
  ]
}



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