WID-SEC-W-2023-2471

Vulnerability from csaf_certbund - Published: 2020-06-24 22:00 - Updated: 2023-09-27 22:00
Summary
Apache Traffic Server: 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
Apache Traffic Server ist ein skalier- und erweiterbarer, mit HTTP/1.1 kompatibler "caching proxy server".
Angriff
Ein entfernter, anonymer Angreifer kann eine Schwachstelle in Apache Traffic Server ausnutzen, um einen Denial of Service Angriff durchzuführen.
Betroffene Betriebssysteme
- UNIX - Linux - Windows
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 Traffic Server ist ein skalier- und erweiterbarer, mit HTTP/1.1 kompatibler \"caching proxy server\".",
        "title": "Produktbeschreibung"
      },
      {
        "category": "summary",
        "text": "Ein entfernter, anonymer Angreifer kann eine Schwachstelle in Apache Traffic Server ausnutzen, um einen Denial of Service Angriff durchzuf\u00fchren.",
        "title": "Angriff"
      },
      {
        "category": "general",
        "text": "- UNIX\n- Linux\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-2023-2471 - CSAF Version",
        "url": "https://wid.cert-bund.de/.well-known/csaf/white/2020/wid-sec-w-2023-2471.json"
      },
      {
        "category": "self",
        "summary": "WID-SEC-2023-2471 - Portal Version",
        "url": "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2023-2471"
      },
      {
        "category": "external",
        "summary": "Amazon Linux Security Advisory ALASTOMCAT8.5-2023-009 vom 2023-09-27",
        "url": "https://alas.aws.amazon.com/AL2/ALASTOMCAT8.5-2023-009.html"
      },
      {
        "category": "external",
        "summary": "Apache Security Mailinglist vom 2020-06-24",
        "url": "https://lists.apache.org/thread.html/rf7f86917f42fdaf904d99560cba0c016e03baea6244c47efeb60ecbe%40%3Cdev.trafficserver.apache.org%3E"
      },
      {
        "category": "external",
        "summary": "Debian Security Advisory DSA-4710 vom 2020-06-28",
        "url": "https://lists.debian.org/debian-security-announce/2020/msg00114.html"
      },
      {
        "category": "external",
        "summary": "Amazon Linux Security Advisory ALAS-2021-1493 vom 2021-04-07",
        "url": "https://alas.aws.amazon.com/ALAS-2021-1493.html"
      },
      {
        "category": "external",
        "summary": "Debian Security Advisory DLA-2596 vom 2021-03-16",
        "url": "https://lists.debian.org/debian-lts-announce/2021/03/msg00018.html"
      }
    ],
    "source_lang": "en-US",
    "title": "Apache Traffic Server: Schwachstelle erm\u00f6glicht Denial of Service",
    "tracking": {
      "current_release_date": "2023-09-27T22:00:00.000+00:00",
      "generator": {
        "date": "2024-08-15T17:58:59.291+00:00",
        "engine": {
          "name": "BSI-WID",
          "version": "1.3.5"
        }
      },
      "id": "WID-SEC-W-2023-2471",
      "initial_release_date": "2020-06-24T22:00:00.000+00:00",
      "revision_history": [
        {
          "date": "2020-06-24T22:00:00.000+00:00",
          "number": "1",
          "summary": "Initiale Fassung"
        },
        {
          "date": "2020-06-28T22:00:00.000+00:00",
          "number": "2",
          "summary": "Neue Updates von Debian aufgenommen"
        },
        {
          "date": "2021-03-15T23:00:00.000+00:00",
          "number": "3",
          "summary": "Neue Updates von Debian aufgenommen"
        },
        {
          "date": "2021-04-07T22:00:00.000+00:00",
          "number": "4",
          "summary": "Neue Updates von Amazon aufgenommen"
        },
        {
          "date": "2023-09-27T22:00:00.000+00:00",
          "number": "5",
          "summary": "Neue Updates von Amazon aufgenommen"
        }
      ],
      "status": "final",
      "version": "5"
    }
  },
  "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_name",
                "name": "Apache Traffic Server \u003c= 6.2.3",
                "product": {
                  "name": "Apache Traffic Server \u003c= 6.2.3",
                  "product_id": "T016794",
                  "product_identification_helper": {
                    "cpe": "cpe:/a:apache:traffic_server:6.2.3"
                  }
                }
              },
              {
                "category": "product_name",
                "name": "Apache Traffic Server \u003c= 7.1.10",
                "product": {
                  "name": "Apache Traffic Server \u003c= 7.1.10",
                  "product_id": "T016795",
                  "product_identification_helper": {
                    "cpe": "cpe:/a:apache:traffic_server:7.1.10"
                  }
                }
              },
              {
                "category": "product_name",
                "name": "Apache Traffic Server \u003c= 8.0.7",
                "product": {
                  "name": "Apache Traffic Server \u003c= 8.0.7",
                  "product_id": "T016796",
                  "product_identification_helper": {
                    "cpe": "cpe:/a:apache:traffic_server:8.0.7"
                  }
                }
              }
            ],
            "category": "product_name",
            "name": "Traffic Server"
          }
        ],
        "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"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2020-9494",
      "notes": [
        {
          "category": "description",
          "text": "Es existiert eine Schwachstelle in Apache Traffic Server aufgrund von Fehlern im Umgang mit bestimmten HTTP2-Header-Frames. Ein entfernter, anonymer Angreifer kann diese Schwachstelle durch das Senden von speziellen HTTP2-Paketen ausnutzen, um einen Denial of Service Zustand zu verursachen, da eine Allokation von Speicher stattfindet."
        }
      ],
      "product_status": {
        "known_affected": [
          "2951",
          "398363"
        ],
        "last_affected": [
          "T016796",
          "T016795",
          "T016794"
        ]
      },
      "release_date": "2020-06-24T22:00:00.000+00:00",
      "title": "CVE-2020-9494"
    }
  ]
}


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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.
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  • 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.