CVSS: 9.0EPSS: 0%CPEs: 3EXPL: 0CVE-2022-30550 – dovecot: Privilege escalation when similar master and non-master passdbs are used
https://notcve.org/view.php?id=CVE-2022-30550
07 Jul 2022 — An issue was discovered in the auth component in Dovecot 2.2 and 2.3 before 2.3.20. When two passdb configuration entries exist with the same driver and args settings, incorrect username_filter and mechanism settings can be applied to passdb definitions. These incorrectly applied settings can lead to an unintended security configuration and can permit privilege escalation in certain configurations. The documentation does not advise against the use of passdb definitions that have the same driver and args set... • https://dovecot.org/security • CWE-284: Improper Access Control CWE-287: Improper Authentication •
CVSS: 4.3EPSS: 0%CPEs: 3EXPL: 0CVE-2020-28200
https://notcve.org/view.php?id=CVE-2020-28200
28 Jun 2021 — The Sieve engine in Dovecot before 2.3.15 allows Uncontrolled Resource Consumption, as demonstrated by a situation with a complex regular expression for the regex extension. El motor Sieve en Dovecot versiones anteriores a 2.3.15, permite un Consumo No controlado de Recursos, como es demostrado por una situación con una expresión regular compleja para la extensión regex • https://dovecot.org/security • CWE-770: Allocation of Resources Without Limits or Throttling •
CVSS: 5.8EPSS: 1%CPEs: 4EXPL: 0CVE-2021-33515 – dovecot: plaintext commands injection
https://notcve.org/view.php?id=CVE-2021-33515
21 Jun 2021 — The submission service in Dovecot before 2.3.15 allows STARTTLS command injection in lib-smtp. Sensitive information can be redirected to an attacker-controlled address. El servicio de envío en Dovecot versiones anteriores a 2.3.15, permite la inyección de comandos STARTTLS en lib-smtp. La información confidencial puede ser redirigida a una dirección controlada por el atacante It was found that dovecot could still accept plaintext commands while the STARTTLS negotiation process is ongoing. This could allow ... • https://dovecot.org/security • CWE-77: Improper Neutralization of Special Elements used in a Command ('Command Injection') •
CVSS: 6.8EPSS: 0%CPEs: 3EXPL: 0CVE-2020-24386 – dovecot: IMAP hibernation function allows mail access
https://notcve.org/view.php?id=CVE-2020-24386
04 Jan 2021 — An issue was discovered in Dovecot before 2.3.13. By using IMAP IDLE, an authenticated attacker can trigger unhibernation via attacker-controlled parameters, leading to access to other users' email messages (and path disclosure). Se detectó un problema en Dovecot versiones anteriores a 2.3.13. Al usar IMAP IDLE, un atacante autenticado puede desencadenar la inhibición por medio de parámetros controlados por el atacante, conllevando a un acceso a los mensajes de correo electrónico de otros usuarios (y a... • http://packetstormsecurity.com/files/160842/Dovecot-2.3.11.3-Access-Bypass.html • CWE-138: Improper Neutralization of Special Elements •
CVSS: 7.5EPSS: 1%CPEs: 3EXPL: 0CVE-2020-25275 – dovecot: Denial of service via mail MIME parsing
https://notcve.org/view.php?id=CVE-2020-25275
04 Jan 2021 — Dovecot before 2.3.13 has Improper Input Validation in lda, lmtp, and imap, leading to an application crash via a crafted email message with certain choices for ten thousand MIME parts. Dovecot versiones anteriores a 2.3.13, presenta una Comprobación de Entrada Inapropiada en lda, lmtp e imap, conllevando a un bloqueo de la aplicación por medio de un mensaje de correo electrónico diseñado con determinadas opciones para diez mil partes MIME. It was discovered that Dovecot incorrectly handled certain imap hib... • http://packetstormsecurity.com/files/160841/Dovecot-2.3.11.3-Denial-Of-Service.html • CWE-20: Improper Input Validation •
CVSS: 7.5EPSS: 0%CPEs: 10EXPL: 1CVE-2020-12673 – dovecot: Out of bound reads in dovecot NTLM implementation
https://notcve.org/view.php?id=CVE-2020-12673
12 Aug 2020 — In Dovecot before 2.3.11.3, sending a specially formatted NTLM request will crash the auth service because of an out-of-bounds read. En Dovecot versiones anteriores a 2.3.11.3, el envío de una petición NTLM con formato especial bloqueará el servicio auth debido a una lectura fuera de límites A flaw was found in dovecot. An out-of-bounds read flaw was found in the way dovecot handled NTLM authentication allowing an attacker to crash the dovecot auth process repeatedly preventing login. The highest threat fro... • http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00048.html • CWE-125: Out-of-bounds Read •
CVSS: 7.5EPSS: 0%CPEs: 10EXPL: 1CVE-2020-12674 – dovecot: Crash due to assert in RPA implementation
https://notcve.org/view.php?id=CVE-2020-12674
12 Aug 2020 — In Dovecot before 2.3.11.3, sending a specially formatted RPA request will crash the auth service because a length of zero is mishandled. En Dovecot versiones anteriores a 2.3.11.3, el envío de una petición RPA con un formato especial bloqueará el servicio auth porque una longitud de cero es manejada inapropiadamente A flaw was found in dovecot. An attacker can use the way dovecot handles RPA (Remote Passphrase Authentication) to crash the authentication process repeatedly preventing login. The highest thre... • http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00048.html • CWE-125: Out-of-bounds Read •
CVSS: 7.5EPSS: 2%CPEs: 10EXPL: 1CVE-2020-12100 – dovecot: Resource exhaustion via deeply nested MIME parts
https://notcve.org/view.php?id=CVE-2020-12100
12 Aug 2020 — In Dovecot before 2.3.11.3, uncontrolled recursion in submission, lmtp, and lda allows remote attackers to cause a denial of service (resource consumption) via a crafted e-mail message with deeply nested MIME parts. En Dovecot versiones anteriores a 2.3.11.3, la recursividad no controlada en submission, lmtp, y lda permite a atacantes remotos causar una denegación de servicio (consumo de recursos) por medio de un mensaje de correo electrónico diseñado con partes MIME profundamente anidadas A flaw was found ... • http://seclists.org/fulldisclosure/2021/Jan/18 • CWE-674: Uncontrolled Recursion •
CVSS: 5.3EPSS: 3%CPEs: 1EXPL: 2CVE-2020-10967 – dovecot: sending mail with empty quoted localpart leads to DoS
https://notcve.org/view.php?id=CVE-2020-10967
18 May 2020 — In Dovecot before 2.3.10.1, remote unauthenticated attackers can crash the lmtp or submission process by sending mail with an empty localpart. En Dovecot versiones anteriores a 2.3.10.1, los atacantes remotos no autenticados pueden bloquear el proceso lmtp o submission mediante el envío de un correo con un localpart vacío. Dovecot is an IMAP server for Linux and other UNIX-like systems, written primarily with security in mind. It also contains a small POP3 server, and supports e-mail in either the maildir o... • https://packetstorm.news/files/id/157771 • CWE-20: Improper Input Validation CWE-400: Uncontrolled Resource Consumption •
CVSS: 7.5EPSS: 1%CPEs: 1EXPL: 2CVE-2020-10957 – dovecot: malformed NOOP commands leads to DoS
https://notcve.org/view.php?id=CVE-2020-10957
18 May 2020 — In Dovecot before 2.3.10.1, unauthenticated sending of malformed parameters to a NOOP command causes a NULL Pointer Dereference and crash in submission-login, submission, or lmtp. En Dovecot versiones anteriores a 2.3.10.1, el envío no autenticado de parámetros malformados hacia un comando NOOP causa una Desreferencia del Puntero NULL y un bloqueo en submission-login o lmtp. A flaw was found in Dovecot, where it did not properly handle certain malformed NOOP commands. This flaw allows a malicious attacker t... • https://packetstorm.news/files/id/157771 • CWE-400: Uncontrolled Resource Consumption CWE-476: NULL Pointer Dereference •