30 results (0.028 seconds)

CVSS: 4.3EPSS: 1%CPEs: 3EXPL: 0

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: 7%CPEs: 4EXPL: 0

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: 7.5EPSS: 3%CPEs: 3EXPL: 0

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: 1%CPEs: 10EXPL: 1

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: 9%CPEs: 10EXPL: 1

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: 19%CPEs: 10EXPL: 1

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: 4%CPEs: 1EXPL: 2

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: 15%CPEs: 1EXPL: 2

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 •

CVSS: 5.9EPSS: 1%CPEs: 1EXPL: 2

18 May 2020 — In Dovecot before 2.3.10.1, a crafted SMTP/LMTP message triggers an unauthenticated use-after-free bug in submission-login, submission, or lmtp, and can lead to a crash under circumstances involving many newlines after a command. En Dovecot versiones anteriores a 2.3.10.1, un mensaje SMTP/LMTP diseñado desencadena un bug no autenticado de uso de la memoria previamente liberada en submission-login, submission, o lmtp, y puede conllevar a un bloqueo bajo circunstancias que impliquen muchas líneas nuevas despu... • https://packetstorm.news/files/id/157771 • CWE-416: Use After Free •

CVSS: 5.3EPSS: 1%CPEs: 3EXPL: 0

13 Dec 2019 — In Dovecot before 2.3.9.2, an attacker can crash a push-notification driver with a crafted email when push notifications are used, because of a NULL Pointer Dereference. The email must use a group address as either the sender or the recipient. En Dovecot versiones anteriores a 2.3.9.2, un atacante puede bloquear un controlador de notificación push con un correo electrónico diseñado cuando notificaciones push son usadas, debido a una desreferencia del puntero NULL. El correo electrónico debe usar una direcci... • http://www.openwall.com/lists/oss-security/2019/12/13/3 • CWE-476: NULL Pointer Dereference •