WID-SEC-W-2026-0327

Vulnerability from csaf_certbund - Published: 2026-02-05 23:00 - Updated: 2026-03-30 22:00
Summary
Asterisk: Mehrere Schwachstellen
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: Asterisk ist eine komplette Open Source Multiprotokoll Telefonanlage (PBX) auf Softwarebasis.
Angriff: Ein Angreifer kann mehrere Schwachstellen in Asterisk ausnutzen, um einen Cross-Site Scripting Angriff durchzuführen, beliebigen Code mit Root-Rechten auszuführen, erweiterte Privilegien zu erlangen, Daten zu manipulieren oder vertrauliche Informationen offenzulegen.
Betroffene Betriebssysteme: - Sonstiges - UNIX
CVE-2026-23738
CVE-2026-23739
CVE-2026-23740
CVE-2026-23741
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": "Asterisk ist eine komplette Open Source Multiprotokoll Telefonanlage (PBX) auf Softwarebasis.",
        "title": "Produktbeschreibung"
      },
      {
        "category": "summary",
        "text": "Ein Angreifer kann mehrere Schwachstellen in Asterisk ausnutzen, um einen Cross-Site Scripting Angriff durchzuf\u00fchren, beliebigen Code mit Root-Rechten auszuf\u00fchren, erweiterte Privilegien zu erlangen, Daten zu manipulieren oder vertrauliche Informationen offenzulegen.",
        "title": "Angriff"
      },
      {
        "category": "general",
        "text": "- Sonstiges\n- UNIX",
        "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-2026-0327 - CSAF Version",
        "url": "https://wid.cert-bund.de/.well-known/csaf/white/2026/wid-sec-w-2026-0327.json"
      },
      {
        "category": "self",
        "summary": "WID-SEC-2026-0327 - Portal Version",
        "url": "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2026-0327"
      },
      {
        "category": "external",
        "summary": "Asterisk GitHub vom 2026-02-05",
        "url": "https://github.com/asterisk/asterisk/security/advisories/GHSA-v6hp-wh3r-cwxh"
      },
      {
        "category": "external",
        "summary": "Asterisk GitHub vom 2026-02-05",
        "url": "https://github.com/asterisk/asterisk/security/advisories/GHSA-85x7-54wr-vh42"
      },
      {
        "category": "external",
        "summary": "Asterisk GitHub vom 2026-02-05",
        "url": "https://github.com/asterisk/asterisk/security/advisories/GHSA-xpc6-x892-v83c"
      },
      {
        "category": "external",
        "summary": "Asterisk GitHub vom 2026-02-05",
        "url": "https://github.com/asterisk/asterisk/security/advisories/GHSA-rvch-3jmx-3jf3"
      },
      {
        "category": "external",
        "summary": "Debian Security Advisory DLA-4515 vom 2026-03-30",
        "url": "https://lists.debian.org/debian-lts-announce/2026/03/msg00020.html"
      }
    ],
    "source_lang": "en-US",
    "title": "Asterisk: Mehrere Schwachstellen",
    "tracking": {
      "current_release_date": "2026-03-30T22:00:00.000+00:00",
      "generator": {
        "date": "2026-03-31T08:19:18.839+00:00",
        "engine": {
          "name": "BSI-WID",
          "version": "1.5.0"
        }
      },
      "id": "WID-SEC-W-2026-0327",
      "initial_release_date": "2026-02-05T23:00:00.000+00:00",
      "revision_history": [
        {
          "date": "2026-02-05T23:00:00.000+00:00",
          "number": "1",
          "summary": "Initiale Fassung"
        },
        {
          "date": "2026-02-08T23:00:00.000+00:00",
          "number": "2",
          "summary": "Referenz(en) aufgenommen: EUVD-2026-5617, EUVD-2026-5645, EUVD-2026-5646, EUVD-2026-5648"
        },
        {
          "date": "2026-03-30T22:00:00.000+00:00",
          "number": "3",
          "summary": "Neue Updates von Debian aufgenommen"
        }
      ],
      "status": "final",
      "version": "3"
    }
  },
  "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": [
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "\u003c23.2.2",
                "product": {
                  "name": "Open Source Asterisk \u003c23.2.2",
                  "product_id": "T050588"
                }
              },
              {
                "category": "product_version",
                "name": "23.2.2",
                "product": {
                  "name": "Open Source Asterisk 23.2.2",
                  "product_id": "T050588-fixed",
                  "product_identification_helper": {
                    "cpe": "cpe:/a:digium:asterisk:23.2.2"
                  }
                }
              },
              {
                "category": "product_version_range",
                "name": "\u003c22.8.2",
                "product": {
                  "name": "Open Source Asterisk \u003c22.8.2",
                  "product_id": "T050589"
                }
              },
              {
                "category": "product_version",
                "name": "22.8.2",
                "product": {
                  "name": "Open Source Asterisk 22.8.2",
                  "product_id": "T050589-fixed",
                  "product_identification_helper": {
                    "cpe": "cpe:/a:digium:asterisk:22.8.2"
                  }
                }
              },
              {
                "category": "product_version_range",
                "name": "\u003c21.12.1",
                "product": {
                  "name": "Open Source Asterisk \u003c21.12.1",
                  "product_id": "T050590"
                }
              },
              {
                "category": "product_version",
                "name": "21.12.1",
                "product": {
                  "name": "Open Source Asterisk 21.12.1",
                  "product_id": "T050590-fixed",
                  "product_identification_helper": {
                    "cpe": "cpe:/a:digium:asterisk:21.12.1"
                  }
                }
              },
              {
                "category": "product_version_range",
                "name": "\u003c20.18.2",
                "product": {
                  "name": "Open Source Asterisk \u003c20.18.2",
                  "product_id": "T050591"
                }
              },
              {
                "category": "product_version",
                "name": "20.18.2",
                "product": {
                  "name": "Open Source Asterisk 20.18.2",
                  "product_id": "T050591-fixed",
                  "product_identification_helper": {
                    "cpe": "cpe:/a:digium:asterisk:20.18.2"
                  }
                }
              },
              {
                "category": "product_version_range",
                "name": "\u003c20.7-cert9",
                "product": {
                  "name": "Open Source Asterisk \u003c20.7-cert9",
                  "product_id": "T050592"
                }
              },
              {
                "category": "product_version",
                "name": "20.7-cert9",
                "product": {
                  "name": "Open Source Asterisk 20.7-cert9",
                  "product_id": "T050592-fixed",
                  "product_identification_helper": {
                    "cpe": "cpe:/a:digium:asterisk:20.7-cert9"
                  }
                }
              }
            ],
            "category": "product_name",
            "name": "Asterisk"
          }
        ],
        "category": "vendor",
        "name": "Open Source"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2026-23738",
      "product_status": {
        "known_affected": [
          "T050590",
          "T050592",
          "T050591",
          "2951",
          "T050589",
          "T050588"
        ]
      },
      "release_date": "2026-02-05T23:00:00.000+00:00",
      "title": "CVE-2026-23738"
    },
    {
      "cve": "CVE-2026-23739",
      "product_status": {
        "known_affected": [
          "T050590",
          "T050592",
          "T050591",
          "2951",
          "T050589",
          "T050588"
        ]
      },
      "release_date": "2026-02-05T23:00:00.000+00:00",
      "title": "CVE-2026-23739"
    },
    {
      "cve": "CVE-2026-23740",
      "product_status": {
        "known_affected": [
          "T050590",
          "T050592",
          "T050591",
          "2951",
          "T050589",
          "T050588"
        ]
      },
      "release_date": "2026-02-05T23:00:00.000+00:00",
      "title": "CVE-2026-23740"
    },
    {
      "cve": "CVE-2026-23741",
      "product_status": {
        "known_affected": [
          "T050590",
          "T050592",
          "T050591",
          "2951",
          "T050589",
          "T050588"
        ]
      },
      "release_date": "2026-02-05T23:00:00.000+00:00",
      "title": "CVE-2026-23741"
    }
  ]
}


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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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