WID-SEC-W-2022-0587

Vulnerability from csaf_certbund - Published: 2021-11-17 23:00 - Updated: 2023-09-13 22:00
Summary
PHP: Schwachstelle ermöglicht Umgehen von Sicherheitsvorkehrungen

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
PHP ist eine Programmiersprache, die zur Implementierung von Web-Applikationen genutzt wird.
Angriff
Ein entfernter Angreifer kann eine Schwachstelle in PHP ausnutzen, um Sicherheitsvorkehrungen zu umgehen.
Betroffene Betriebssysteme
- UNIX - Linux - Windows - Sonstiges
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": "PHP ist eine Programmiersprache, die zur Implementierung von Web-Applikationen genutzt wird.",
        "title": "Produktbeschreibung"
      },
      {
        "category": "summary",
        "text": "Ein entfernter Angreifer kann eine Schwachstelle in PHP ausnutzen, um Sicherheitsvorkehrungen zu umgehen.",
        "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-2022-0587 - CSAF Version",
        "url": "https://wid.cert-bund.de/.well-known/csaf/white/2021/wid-sec-w-2022-0587.json"
      },
      {
        "category": "self",
        "summary": "WID-SEC-2022-0587 - Portal Version",
        "url": "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2022-0587"
      },
      {
        "category": "external",
        "summary": "Amazon Linux Security Advisory ALASPHP8.0-2023-001 vom 2023-09-14",
        "url": "https://alas.aws.amazon.com/AL2/ALASPHP8.0-2023-001.html"
      },
      {
        "category": "external",
        "summary": "PHP Security Release vom 2021-11-17",
        "url": "https://www.php.net/ChangeLog-7.php#7.3.33"
      },
      {
        "category": "external",
        "summary": "POC vom 2021-11-17",
        "url": "https://bugs.php.net/bug.php?id=79971"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2021:3943-1 vom 2021-12-06",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2021-December/009845.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2021:3927-1 vom 2021-12-06",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2021-December/009842.html"
      },
      {
        "category": "external",
        "summary": "NetApp Security Advisory NTAP-20211223-0005 vom 2021-12-23",
        "url": "https://security.netapp.com/advisory/ntap-20211223-0005/"
      },
      {
        "category": "external",
        "summary": "Amazon Linux Security Advisory ALAS-2022-073 vom 2022-05-20",
        "url": "https://alas.aws.amazon.com/AL2022/ALAS-2022-073.html"
      },
      {
        "category": "external",
        "summary": "Debian Security Advisory DSA-5082 vom 2022-02-18",
        "url": "https://lists.debian.org/debian-security-announce/2022/msg00049.html"
      },
      {
        "category": "external",
        "summary": "Ubuntu Security Notice USN-5300-1 vom 2022-02-22",
        "url": "https://ubuntu.com/security/notices/USN-5300-1"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2022:0577-1 vom 2022-02-26",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2022-February/010311.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2022:0679-1 vom 2022-03-03",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2022-March/010332.html"
      },
      {
        "category": "external",
        "summary": "Ubuntu Security Notice USN-5300-2 vom 2022-03-03",
        "url": "https://ubuntu.com/security/notices/USN-5300-2"
      },
      {
        "category": "external",
        "summary": "Ubuntu Security Notice USN-5300-3 vom 2022-03-07",
        "url": "https://ubuntu.com/security/notices/USN-5300-3"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2022:2292-1 vom 2022-07-06",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2022-July/011416.html"
      },
      {
        "category": "external",
        "summary": "Red Hat Security Advisory RHSA-2022:5491 vom 2022-07-07",
        "url": "https://access.redhat.com/errata/RHSA-2022:5491"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2022:2303-1 vom 2022-07-06",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2022-July/011424.html"
      },
      {
        "category": "external",
        "summary": "Red Hat Security Advisory RHSA-2022:7628 vom 2022-11-08",
        "url": "https://access.redhat.com/errata/RHSA-2022:7628"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2022:3997-1 vom 2022-11-15",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2022-November/012935.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2022:4068-1 vom 2022-11-18",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2022-November/012984.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2022:4069-1 vom 2022-11-18",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2022-November/012985.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2022:4067-1 vom 2022-11-18",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2022-November/012983.html"
      },
      {
        "category": "external",
        "summary": "Debian Security Advisory DLA-3243 vom 2022-12-15",
        "url": "https://lists.debian.org/debian-lts-announce/2022/12/msg00030.html"
      }
    ],
    "source_lang": "en-US",
    "title": "PHP: Schwachstelle erm\u00f6glicht Umgehen von Sicherheitsvorkehrungen",
    "tracking": {
      "current_release_date": "2023-09-13T22:00:00.000+00:00",
      "generator": {
        "date": "2024-08-15T17:31:13.441+00:00",
        "engine": {
          "name": "BSI-WID",
          "version": "1.3.5"
        }
      },
      "id": "WID-SEC-W-2022-0587",
      "initial_release_date": "2021-11-17T23:00:00.000+00:00",
      "revision_history": [
        {
          "date": "2021-11-17T23:00:00.000+00:00",
          "number": "1",
          "summary": "Initiale Fassung"
        },
        {
          "date": "2021-11-25T23:00:00.000+00:00",
          "number": "2",
          "summary": "Referenz(en) aufgenommen: FEDORA-2021-06795380DB, 2026045"
        },
        {
          "date": "2021-12-06T23:00:00.000+00:00",
          "number": "3",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2021-12-22T23:00:00.000+00:00",
          "number": "4",
          "summary": "Neue Updates von NetApp aufgenommen"
        },
        {
          "date": "2022-02-20T23:00:00.000+00:00",
          "number": "5",
          "summary": "Neue Updates von Debian aufgenommen"
        },
        {
          "date": "2022-02-22T23:00:00.000+00:00",
          "number": "6",
          "summary": "Neue Updates von Ubuntu aufgenommen"
        },
        {
          "date": "2022-02-27T23:00:00.000+00:00",
          "number": "7",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2022-03-02T23:00:00.000+00:00",
          "number": "8",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2022-03-03T23:00:00.000+00:00",
          "number": "9",
          "summary": "Neue Updates von Ubuntu aufgenommen"
        },
        {
          "date": "2022-03-07T23:00:00.000+00:00",
          "number": "10",
          "summary": "Neue Updates von Ubuntu aufgenommen"
        },
        {
          "date": "2022-05-19T22:00:00.000+00:00",
          "number": "11",
          "summary": "Neue Updates von Amazon aufgenommen"
        },
        {
          "date": "2022-07-06T22:00:00.000+00:00",
          "number": "12",
          "summary": "Neue Updates von SUSE und Red Hat aufgenommen"
        },
        {
          "date": "2022-11-08T23:00:00.000+00:00",
          "number": "13",
          "summary": "Neue Updates von Red Hat aufgenommen"
        },
        {
          "date": "2022-11-15T23:00:00.000+00:00",
          "number": "14",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2022-11-20T23:00:00.000+00:00",
          "number": "15",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2022-12-15T23:00:00.000+00:00",
          "number": "16",
          "summary": "Neue Updates von Debian aufgenommen"
        },
        {
          "date": "2023-09-13T22:00:00.000+00:00",
          "number": "17",
          "summary": "Neue Updates von Amazon aufgenommen"
        }
      ],
      "status": "final",
      "version": "17"
    }
  },
  "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": [
          {
            "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 Data ONTAP",
            "product": {
              "name": "NetApp Data ONTAP",
              "product_id": "7654",
              "product_identification_helper": {
                "cpe": "cpe:/a:netapp:data_ontap:-"
              }
            }
          }
        ],
        "category": "vendor",
        "name": "NetApp"
      },
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_name",
                "name": "Open Source PHP \u003c 7.3.33",
                "product": {
                  "name": "Open Source PHP \u003c 7.3.33",
                  "product_id": "T021081",
                  "product_identification_helper": {
                    "cpe": "cpe:/a:php:php:7.3.33"
                  }
                }
              },
              {
                "category": "product_name",
                "name": "Open Source PHP \u003c 7.4.26",
                "product": {
                  "name": "Open Source PHP \u003c 7.4.26",
                  "product_id": "T021082",
                  "product_identification_helper": {
                    "cpe": "cpe:/a:php:php:7.4.26"
                  }
                }
              }
            ],
            "category": "product_name",
            "name": "PHP"
          }
        ],
        "category": "vendor",
        "name": "Open Source"
      },
      {
        "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"
      },
      {
        "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": "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-2021-21707",
      "notes": [
        {
          "category": "description",
          "text": "Es existiert eine Schwachstelle in PHP. Die Schwachstelle besteht in der Funktion simplexml, weil ein Sonderzeichen den Pfad in der Funktion xml unterbrechen kann. Ein entfernter Angreifer kann diese Sicherheitsl\u00fccke ausnutzen, um Sicherheitsma\u00dfnahmen zu umgehen."
        }
      ],
      "product_status": {
        "known_affected": [
          "2951",
          "T002207",
          "67646",
          "T000126",
          "7654",
          "398363"
        ]
      },
      "release_date": "2021-11-17T23:00:00.000+00:00",
      "title": "CVE-2021-21707"
    }
  ]
}


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Tags
Taxonomy of the tags.




Sightings

Author Source Type Date

Nomenclature

  • 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.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • 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.