WID-SEC-W-2025-0241

Vulnerability from csaf_certbund - Published: 2019-04-23 22:00 - Updated: 2025-02-02 23:00
Summary
Dovecot: 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: Dovecot ist ein Open Source IMAP und POP3 E-Mail Server. Ubuntu Linux ist die Linux Distribution des Herstellers Canonical.
Angriff: Ein entfernter, anonymer Angreifer kann eine Schwachstelle in Dovecot ausnutzen, um einen Denial of Service Angriff durchzuführen.
Betroffene Betriebssysteme: - Linux
CVE-2019-10691

Es existiert eine Schwachstelle in Dovecot. Der JSON-Encoder verarbeitet UTF-8 Zeichen unsachgemäß und stürzt unter Umständen bei ungültigen Zeichen ab. Ein entfernter anonymer Angreifer kann diese Schwachstelle ausnutzen, um einen Denial of Service zu verursachen.

Affected products
Product Identifier Version Remediation
SUSE Linux
SUSE
 cpe:/o:suse:suse_linux:- —
Ubuntu Linux
Ubuntu
 cpe:/o:canonical:ubuntu_linux:- —
SUSE openSUSE
SUSE
 cpe:/o:suse:opensuse:- —
Open Source Dovecot <2.3.5.2
Open Source / Dovecot
 <2.3.5.2
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": "Dovecot ist ein Open Source IMAP und POP3 E-Mail Server.\r\nUbuntu Linux ist die Linux Distribution des Herstellers Canonical.",
        "title": "Produktbeschreibung"
      },
      {
        "category": "summary",
        "text": "Ein entfernter, anonymer Angreifer kann eine Schwachstelle in Dovecot ausnutzen, um einen Denial of Service Angriff durchzuf\u00fchren.",
        "title": "Angriff"
      },
      {
        "category": "general",
        "text": "- Linux",
        "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-2025-0241 - CSAF Version",
        "url": "https://wid.cert-bund.de/.well-known/csaf/white/2019/wid-sec-w-2025-0241.json"
      },
      {
        "category": "self",
        "summary": "WID-SEC-2025-0241 - Portal Version",
        "url": "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2025-0241"
      },
      {
        "category": "external",
        "summary": "Dovecot Advisory DOV-3173 vom 2019-04-23",
        "url": "https://dovecot.org/list/dovecot-news/2019-April/000406.html"
      },
      {
        "category": "external",
        "summary": "Ubuntu Security Notices USN-3951-1 vom 2019-04-23",
        "url": "https://usn.ubuntu.com/3951-1/"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2019:0997-1 vom 2019-04-24",
        "url": "https://www.suse.com/support/update/announcement/2019/suse-su-20190997-1.html"
      },
      {
        "category": "external",
        "summary": "openSUSE Security Update OPENSUSE-SU-2025:14715-1 vom 2025-01-31",
        "url": "https://lists.opensuse.org/archives/list/security-announce@lists.opensuse.org/message/KZSDCZ5LA6IHY7KXVSL6ULAJVP6OFT2M/"
      }
    ],
    "source_lang": "en-US",
    "title": "Dovecot: Schwachstelle erm\u00f6glicht Denial of Service",
    "tracking": {
      "current_release_date": "2025-02-02T23:00:00.000+00:00",
      "generator": {
        "date": "2025-02-03T09:07:29.214+00:00",
        "engine": {
          "name": "BSI-WID",
          "version": "1.3.10"
        }
      },
      "id": "WID-SEC-W-2025-0241",
      "initial_release_date": "2019-04-23T22:00:00.000+00:00",
      "revision_history": [
        {
          "date": "2019-04-23T22:00:00.000+00:00",
          "number": "1",
          "summary": "Initiale Fassung"
        },
        {
          "date": "2019-04-24T22:00:00.000+00:00",
          "number": "2",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2019-06-04T22:00:00.000+00:00",
          "number": "3",
          "summary": "Referenz(en) aufgenommen: FEDORA-2019-1B61A528DD"
        },
        {
          "date": "2019-09-01T22:00:00.000+00:00",
          "number": "4",
          "summary": "Referenz(en) aufgenommen: GLSA201908-29"
        },
        {
          "date": "2025-02-02T23:00:00.000+00:00",
          "number": "5",
          "summary": "Neue Updates von openSUSE aufgenommen"
        }
      ],
      "status": "final",
      "version": "5"
    }
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "\u003c2.3.5.2",
                "product": {
                  "name": "Open Source Dovecot \u003c2.3.5.2",
                  "product_id": "T014045"
                }
              },
              {
                "category": "product_version",
                "name": "2.3.5.2",
                "product": {
                  "name": "Open Source Dovecot 2.3.5.2",
                  "product_id": "T014045-fixed",
                  "product_identification_helper": {
                    "cpe": "cpe:/a:dovecot:dovecot:2.3.5.2"
                  }
                }
              }
            ],
            "category": "product_name",
            "name": "Dovecot"
          }
        ],
        "category": "vendor",
        "name": "Open Source"
      },
      {
        "branches": [
          {
            "category": "product_name",
            "name": "SUSE Linux",
            "product": {
              "name": "SUSE Linux",
              "product_id": "T002207",
              "product_identification_helper": {
                "cpe": "cpe:/o:suse:suse_linux:-"
              }
            }
          },
          {
            "category": "product_name",
            "name": "SUSE openSUSE",
            "product": {
              "name": "SUSE openSUSE",
              "product_id": "T027843",
              "product_identification_helper": {
                "cpe": "cpe:/o:suse:opensuse:-"
              }
            }
          }
        ],
        "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-2019-10691",
      "notes": [
        {
          "category": "description",
          "text": "Es existiert eine Schwachstelle in Dovecot. Der JSON-Encoder verarbeitet UTF-8 Zeichen unsachgem\u00e4\u00df und st\u00fcrzt unter Umst\u00e4nden bei ung\u00fcltigen Zeichen ab. Ein entfernter anonymer Angreifer kann diese Schwachstelle ausnutzen, um einen Denial of Service zu verursachen."
        }
      ],
      "product_status": {
        "known_affected": [
          "T002207",
          "T000126",
          "T027843",
          "T014045"
        ]
      },
      "release_date": "2019-04-23T22:00:00.000+00:00",
      "title": "CVE-2019-10691"
    }
  ]
}



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