csaf_certbund - wid-sec-w-2025-0966

WID-SEC-W-2025-0966

Vulnerability from csaf_certbund - Published: 2025-05-07 22:00 - Updated: 2025-05-21 22:00

Summary

Dropbear SSH: Schwachstelle ermöglicht Codeausführung

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

Dropbear ist ein kleiner SSH Server und -Client.

Angriff

Ein lokaler Angreifer kann eine Schwachstelle in Dropbear SSH ausnutzen, um beliebigen Programmcode auszuführen.

Betroffene Betriebssysteme

- Linux - MacOS X - Sonstiges - UNIX

JSON

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{
  "document": {
    "aggregate_severity": {
      "text": "niedrig"
    },
    "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": "Dropbear ist ein kleiner SSH Server und -Client.",
        "title": "Produktbeschreibung"
      },
      {
        "category": "summary",
        "text": "Ein lokaler Angreifer kann eine Schwachstelle in Dropbear SSH ausnutzen, um beliebigen Programmcode auszuf\u00fchren.",
        "title": "Angriff"
      },
      {
        "category": "general",
        "text": "- Linux\n- MacOS X\n- 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-2025-0966 - CSAF Version",
        "url": "https://wid.cert-bund.de/.well-known/csaf/white/2025/wid-sec-w-2025-0966.json"
      },
      {
        "category": "self",
        "summary": "WID-SEC-2025-0966 - Portal Version",
        "url": "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2025-0966"
      },
      {
        "category": "external",
        "summary": "Red Hat Bugtracker vom 2025-05-07",
        "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2364884"
      },
      {
        "category": "external",
        "summary": "Dropbear Mailing List vom 2025-05-07",
        "url": "https://lists.ucc.gu.uwa.edu.au/pipermail/dropbear/2025q2/002385.html"
      },
      {
        "category": "external",
        "summary": "NIST Vulnerability Database vom 2025-05-07",
        "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-47203"
      },
      {
        "category": "external",
        "summary": "Fedora Security Advisory FEDORA-2025-86022C9C44 vom 2025-05-15",
        "url": "https://bodhi.fedoraproject.org/updates/FEDORA-2025-86022c9c44"
      },
      {
        "category": "external",
        "summary": "Debian Security Advisory DLA-4169 vom 2025-05-17",
        "url": "https://lists.debian.org/debian-lts-announce/2025/05/msg00020.html"
      },
      {
        "category": "external",
        "summary": "Arch Linux Security Advisory ASA-202505-9 vom 2025-05-19",
        "url": "https://security.archlinux.org/ASA-202505-9"
      },
      {
        "category": "external",
        "summary": "Fedora Security Advisory FEDORA-2025-23CCF778C9 vom 2025-05-22",
        "url": "https://bodhi.fedoraproject.org/updates/FEDORA-2025-23ccf778c9"
      }
    ],
    "source_lang": "en-US",
    "title": "Dropbear SSH: Schwachstelle erm\u00f6glicht Codeausf\u00fchrung",
    "tracking": {
      "current_release_date": "2025-05-21T22:00:00.000+00:00",
      "generator": {
        "date": "2025-05-22T11:05:05.182+00:00",
        "engine": {
          "name": "BSI-WID",
          "version": "1.3.12"
        }
      },
      "id": "WID-SEC-W-2025-0966",
      "initial_release_date": "2025-05-07T22:00:00.000+00:00",
      "revision_history": [
        {
          "date": "2025-05-07T22:00:00.000+00:00",
          "number": "1",
          "summary": "Initiale Fassung"
        },
        {
          "date": "2025-05-15T22:00:00.000+00:00",
          "number": "2",
          "summary": "Neue Updates von Fedora aufgenommen"
        },
        {
          "date": "2025-05-18T22:00:00.000+00:00",
          "number": "3",
          "summary": "Neue Updates von Debian aufgenommen"
        },
        {
          "date": "2025-05-19T22:00:00.000+00:00",
          "number": "4",
          "summary": "Neue Updates von Arch Linux aufgenommen"
        },
        {
          "date": "2025-05-21T22:00:00.000+00:00",
          "number": "5",
          "summary": "Neue Updates von Fedora aufgenommen"
        }
      ],
      "status": "final",
      "version": "5"
    }
  },
  "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": "Fedora Linux",
            "product": {
              "name": "Fedora Linux",
              "product_id": "74185",
              "product_identification_helper": {
                "cpe": "cpe:/o:fedoraproject:fedora:-"
              }
            }
          }
        ],
        "category": "vendor",
        "name": "Fedora"
      },
      {
        "branches": [
          {
            "category": "product_name",
            "name": "Open Source Arch Linux",
            "product": {
              "name": "Open Source Arch Linux",
              "product_id": "T013312",
              "product_identification_helper": {
                "cpe": "cpe:/o:archlinux:archlinux:-"
              }
            }
          },
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "\u003c2025.88",
                "product": {
                  "name": "Open Source Dropbear SSH \u003c2025.88",
                  "product_id": "T043424"
                }
              },
              {
                "category": "product_version",
                "name": "2025.88",
                "product": {
                  "name": "Open Source Dropbear SSH 2025.88",
                  "product_id": "T043424-fixed",
                  "product_identification_helper": {
                    "cpe": "cpe:/a:dropbear_ssh_project:dropbear_ssh:2025.88"
                  }
                }
              }
            ],
            "category": "product_name",
            "name": "Dropbear SSH"
          }
        ],
        "category": "vendor",
        "name": "Open Source"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2025-47203",
      "product_status": {
        "known_affected": [
          "T043424",
          "2951",
          "T013312",
          "74185"
        ]
      },
      "release_date": "2025-05-07T22:00:00.000+00:00",
      "title": "CVE-2025-47203"
    }
  ]
}

CVE-2025-47203 (GCVE-0-2025-47203)

Vulnerability from cvelistv5 – Published: 2025-05-07 00:00 – Updated: 2025-05-17 22:02

Summary

dbclient in Dropbear SSH before 2025.88 allows command injection via an untrusted hostname argument, because a shell is used.

Severity ?

4.5 (Medium)


                        
                          CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:N

CWE

CWE-78 - Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

Assigner

mitre

References

URL

Tags

	https://github.com/mkj/dropbear/blob/master/src/c…
	https://github.com/mkj/dropbear/blob/master/CHANGES

Impacted products

	Vendor	Product	Version
	Dropbear SSH Project	Dropbear SSH	Affected: 0 , < 2025.88 (custom)

Show details on NVD website

JSON

To clipboard

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                  },
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                "role": "CISA Coordinator",
                "timestamp": "2025-05-07T20:22:58.223339Z",
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          },
          {
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          },
          {
            "url": "https://lists.debian.org/debian-lts-announce/2025/05/msg00020.html"
          }
        ],
        "title": "CVE Program Container"
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        {
          "defaultStatus": "unaffected",
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      "cpeApplicability": [
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            {
              "cpeMatch": [
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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.

Action not permitted

WID-SEC-W-2025-0966

CVE-2025-47203 (GCVE-0-2025-47203)

Tags

Sightings

Nomenclature