WID-SEC-W-2025-0242

Vulnerability from csaf_certbund - Published: 2019-04-04 22:00 - Updated: 2025-02-02 23:00
Summary
Dovecot: Schwachstelle ermöglicht Erlangen von Administratorrechten
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.
Angriff: Ein lokaler Angreifer kann eine Schwachstelle in Dovecot ausnutzen, um Administratorrechte zu erlangen.
Betroffene Betriebssysteme: - Linux - UNIX
CVE-2019-7524

Es existiert eine Schwachstelle in Dovecot. Die Schwachstelle existiert aufgrund von fehlenden Überprüfungen der Komponenten "fts" und "pop3-uidl". Ein lokaler Angreifer kann die Schwachstelle durch das Erzeugen eines Pufferüberlaufs im "Indexer-Worker-Prozess" ausnutzen und dadurch Administratorrechte erlangen.

Affected products
Product Identifier Version Remediation
Debian Linux
Debian
 cpe:/o:debian:debian_linux:- —
SUSE Linux
SUSE
 cpe:/o:suse:suse_linux:- —
Open Source Dovecot <2.2.36.3
Open Source / Dovecot
 <2.2.36.3
Red Hat Enterprise Linux
Red Hat
 cpe:/o:redhat:enterprise_linux:- —
Open Source Dovecot <2.3.5.1
Open Source / Dovecot
 <2.3.5.1
Ubuntu Linux
Ubuntu
 cpe:/o:canonical:ubuntu_linux:- —
SUSE openSUSE
SUSE
 cpe:/o:suse:opensuse:- —
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.",
        "title": "Produktbeschreibung"
      },
      {
        "category": "summary",
        "text": "Ein lokaler Angreifer kann eine Schwachstelle in Dovecot ausnutzen, um Administratorrechte zu erlangen.",
        "title": "Angriff"
      },
      {
        "category": "general",
        "text": "- Linux\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-2025-0242 - CSAF Version",
        "url": "https://wid.cert-bund.de/.well-known/csaf/white/2019/wid-sec-w-2025-0242.json"
      },
      {
        "category": "self",
        "summary": "WID-SEC-2025-0242 - Portal Version",
        "url": "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2025-0242"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update:SUSE-SU-2019:0876-1 vom 2019-04-04",
        "url": "http://lists.suse.com/pipermail/sle-security-updates/2019-April/005297.html"
      },
      {
        "category": "external",
        "summary": "Dovecot Mailing Liste vom 2019-03-28",
        "url": "https://dovecot.org/list/dovecot-news/2019-March/000403.html"
      },
      {
        "category": "external",
        "summary": "Eintrag in der National Vulnerability Database",
        "url": "https://nvd.nist.gov/vuln/detail/CVE-2019-7524"
      },
      {
        "category": "external",
        "summary": "Ubuntu Security Notice USN-3928-1 vom 2019-04-01",
        "url": "https://usn.ubuntu.com/3928-1/"
      },
      {
        "category": "external",
        "summary": "Debian Security Advisory DSA-4418-1 vom 2019-03-28",
        "url": "https://www.debian.org/security/2019/dsa-4418"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2019:0900-1 vom 2019-04-08",
        "url": "https://www.suse.com/support/update/announcement/2019/suse-su-20190900-1.html"
      },
      {
        "category": "external",
        "summary": "Red Hat Security Advisory RHSA-2020:1062 vom 2020-03-31",
        "url": "https://access.redhat.com/errata/RHSA-2020:1062"
      },
      {
        "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 Erlangen von Administratorrechten",
    "tracking": {
      "current_release_date": "2025-02-02T23:00:00.000+00:00",
      "generator": {
        "date": "2025-02-03T09:07:29.687+00:00",
        "engine": {
          "name": "BSI-WID",
          "version": "1.3.10"
        }
      },
      "id": "WID-SEC-W-2025-0242",
      "initial_release_date": "2019-04-04T22:00:00.000+00:00",
      "revision_history": [
        {
          "date": "2019-04-04T22:00:00.000+00:00",
          "number": "1",
          "summary": "Initiale Fassung"
        },
        {
          "date": "2019-04-07T22:00:00.000+00:00",
          "number": "2",
          "summary": "Anpassung Produktbeschreibung"
        },
        {
          "date": "2019-04-08T22:00:00.000+00:00",
          "number": "3",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2019-04-17T22:00:00.000+00:00",
          "number": "4",
          "summary": "Referenz(en) aufgenommen: GLSA/201904-19"
        },
        {
          "date": "2019-06-04T22:00:00.000+00:00",
          "number": "5",
          "summary": "Referenz(en) aufgenommen: FEDORA-2019-1B61A528DD, FEDORA-2019-9E004DECEA"
        },
        {
          "date": "2020-03-31T22:00:00.000+00:00",
          "number": "6",
          "summary": "Neue Updates von Red Hat aufgenommen"
        },
        {
          "date": "2025-02-02T23:00:00.000+00:00",
          "number": "7",
          "summary": "Neue Updates von openSUSE aufgenommen"
        }
      ],
      "status": "final",
      "version": "7"
    }
  },
  "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": "\u003c2.2.36.3",
                "product": {
                  "name": "Open Source Dovecot \u003c2.2.36.3",
                  "product_id": "T013877"
                }
              },
              {
                "category": "product_version",
                "name": "2.2.36.3",
                "product": {
                  "name": "Open Source Dovecot 2.2.36.3",
                  "product_id": "T013877-fixed",
                  "product_identification_helper": {
                    "cpe": "cpe:/a:dovecot:dovecot:2.2.36.3"
                  }
                }
              },
              {
                "category": "product_version_range",
                "name": "\u003c2.3.5.1",
                "product": {
                  "name": "Open Source Dovecot \u003c2.3.5.1",
                  "product_id": "T013878"
                }
              },
              {
                "category": "product_version",
                "name": "2.3.5.1",
                "product": {
                  "name": "Open Source Dovecot 2.3.5.1",
                  "product_id": "T013878-fixed",
                  "product_identification_helper": {
                    "cpe": "cpe:/a:dovecot:dovecot:2.3.5.1"
                  }
                }
              }
            ],
            "category": "product_name",
            "name": "Dovecot"
          }
        ],
        "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": "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-2019-7524",
      "notes": [
        {
          "category": "description",
          "text": "Es existiert eine Schwachstelle in Dovecot. Die Schwachstelle existiert aufgrund von fehlenden \u00dcberpr\u00fcfungen der Komponenten \"fts\" und \"pop3-uidl\". Ein lokaler Angreifer kann die Schwachstelle durch das Erzeugen eines Puffer\u00fcberlaufs im \"Indexer-Worker-Prozess\" ausnutzen und dadurch Administratorrechte erlangen."
        }
      ],
      "product_status": {
        "known_affected": [
          "2951",
          "T002207",
          "T013877",
          "67646",
          "T013878",
          "T000126",
          "T027843"
        ]
      },
      "release_date": "2019-04-04T22:00:00.000+00:00",
      "title": "CVE-2019-7524"
    }
  ]
}



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