CVSS: 7.7EPSS: 0%CPEs: 8EXPL: 1CVE-2019-3814 – dovecot: Improper certificate validation
https://notcve.org/view.php?id=CVE-2019-3814
05 Feb 2019 — It was discovered that Dovecot before versions 2.2.36.1 and 2.3.4.1 incorrectly handled client certificates. A remote attacker in possession of a valid certificate with an empty username field could possibly use this issue to impersonate other users. Se ha descubierto que Dovecot, en versiones anteriores a la 2.2.36.1 y 2.3.4.1, gestiona de manera incorrecta los certificados del cliente. Un atacante remoto en posesión de un certificado válido con un campo "username" vacío podría emplear este problema para s... • http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00067.html • CWE-295: Improper Certificate Validation •
CVSS: 5.9EPSS: 1%CPEs: 6EXPL: 0CVE-2017-15130 – Debian Security Advisory 4130-1
https://notcve.org/view.php?id=CVE-2017-15130
02 Mar 2018 — A denial of service flaw was found in dovecot before 2.2.34. An attacker able to generate random SNI server names could exploit TLS SNI configuration lookups, leading to excessive memory usage and the process to restart. Se ha descubierto un error de denegación de servicio (DoS) en dovecot en versiones anteriores a la 2.2.34. Un atacante que pueda generar nombres aleatorios del servidor SNI podría explotar las búsquedas de configuración TLS SNI, lo que conduce a un uso excesivo de memoria y al reinicio del ... • http://seclists.org/oss-sec/2018/q1/205 • CWE-400: Uncontrolled Resource Consumption •
CVSS: 7.1EPSS: 1%CPEs: 6EXPL: 0CVE-2017-14461 – Debian Security Advisory 4130-1
https://notcve.org/view.php?id=CVE-2017-14461
02 Mar 2018 — A specially crafted email delivered over SMTP and passed on to Dovecot by MTA can trigger an out of bounds read resulting in potential sensitive information disclosure and denial of service. In order to trigger this vulnerability, an attacker needs to send a specially crafted email message to the server. Un email especialmente manipulado enviado mediante SMTP y pasado a Dovecot, de MTA, puede desencadenar una lectura fuera de límites que resulta en la posible revelación de información sensible y una denegac... • http://www.securityfocus.com/bid/103201 • CWE-125: Out-of-bounds Read CWE-200: Exposure of Sensitive Information to an Unauthorized Actor •
CVSS: 7.5EPSS: 2%CPEs: 9EXPL: 0CVE-2017-15132 – Ubuntu Security Notice USN-3556-1
https://notcve.org/view.php?id=CVE-2017-15132
25 Jan 2018 — A flaw was found in dovecot 2.0 up to 2.2.33 and 2.3.0. An abort of SASL authentication results in a memory leak in dovecot's auth client used by login processes. The leak has impact in high performance configuration where same login processes are reused and can cause the process to crash due to memory exhaustion. Se ha detectado un fallo en dovecot desde la versión 2.0 hasta la 2.2.33 y 2.3.0. El aborto de una autenticación SASL resulta en una fuga de memoria en el cliente de autenticación de dovecot utili... • https://bugzilla.redhat.com/show_bug.cgi?id=1532768 • CWE-400: Uncontrolled Resource Consumption CWE-772: Missing Release of Resource after Effective Lifetime •
CVSS: 5.9EPSS: 7%CPEs: 4EXPL: 0CVE-2015-3420
https://notcve.org/view.php?id=CVE-2015-3420
19 Sep 2017 — The ssl-proxy-openssl.c function in Dovecot before 2.2.17, when SSLv3 is disabled, allow remote attackers to cause a denial of service (login process crash) via vectors related to handshake failures. La función ssl-proxy-openssl.c en Dovecot en versiones anteriores a la 2.2.17, cuando SSLv3 está deshabilitado, permite que atacantes remotos provoquen una denegación de servicio (cierre inesperado del proceso de inicio de sesión) mediante vectores relacionados con errores de negociación de protocolos. • http://lists.fedoraproject.org/pipermail/package-announce/2015-May/157030.html • CWE-295: Improper Certificate Validation •
CVSS: 7.5EPSS: 7%CPEs: 2EXPL: 0CVE-2017-2669 – Ubuntu Security Notice USN-3258-2
https://notcve.org/view.php?id=CVE-2017-2669
11 Apr 2017 — Dovecot before version 2.2.29 is vulnerable to a denial of service. When 'dict' passdb and userdb were used for user authentication, the username sent by the IMAP/POP3 client was sent through var_expand() to perform %variable expansion. Sending specially crafted %variable fields could result in excessive memory usage causing the process to crash (and restart), or excessive CPU usage causing all authentications to hang. Dovecot en versiones anteriores a la 2.2.29 es vulnerable a una denegación de servicio (D... • http://www.openwall.com/lists/oss-security/2017/04/11/1 • CWE-20: Improper Input Validation •
CVSS: 5.9EPSS: 16%CPEs: 1EXPL: 0CVE-2016-8652
https://notcve.org/view.php?id=CVE-2016-8652
16 Feb 2017 — The auth component in Dovecot before 2.2.27, when auth-policy is configured, allows a remote attackers to cause a denial of service (crash) by aborting authentication without setting a username. El componente de autenticación en Dovecot en versiones anteriores a 2.2.27, cuando la política de autenticación es configurada, permite a atacantes remotos provocar una denegación de servicio (caída) abortando la autenticación sin establecer un nombre de usuario. • http://dovecot.org/pipermail/dovecot-news/2016-December/000333.html • CWE-20: Improper Input Validation •
CVSS: 7.5EPSS: 0%CPEs: 9EXPL: 0CVE-2013-2111
https://notcve.org/view.php?id=CVE-2013-2111
27 May 2014 — The IMAP functionality in Dovecot before 2.2.2 allows remote attackers to cause a denial of service (infinite loop and CPU consumption) via invalid APPEND parameters. La funcionalidad IMAP en Dovecot anterior a 2.2.2 permite a atacantes remotos causar una denegación de servicio (bucle infinito y consumo de CPU) a través de parámetros APPEND inválidos. • http://secunia.com/advisories/53492 • CWE-20: Improper Input Validation •
CVSS: 7.5EPSS: 8%CPEs: 82EXPL: 0CVE-2014-3430 – dovecot: denial of service through maxxing out SSL connections
https://notcve.org/view.php?id=CVE-2014-3430
14 May 2014 — Dovecot 1.1 before 2.2.13 and dovecot-ee before 2.1.7.7 and 2.2.x before 2.2.12.12 does not properly close old connections, which allows remote attackers to cause a denial of service (resource consumption) via an incomplete SSL/TLS handshake for an IMAP/POP3 connection. Dovecot 1.1 anterior a 2.2.13 y dovecot-ee anterior a 2.1.7.7 y 2.2.x anterior a 2.2.12.12 no cierra debidamente conexiones antiguas, lo que permite a atacantes remotos causar una denegación de servicio (consumo de recursos) a través de una ... • http://advisories.mageia.org/MGASA-2014-0223.html • CWE-287: Improper Authentication CWE-400: Uncontrolled Resource Consumption •
CVSS: 7.8EPSS: 0%CPEs: 51EXPL: 0CVE-2013-6171 – Ubuntu Security Notice USN-3556-2
https://notcve.org/view.php?id=CVE-2013-6171
09 Dec 2013 — checkpassword-reply in Dovecot before 2.2.7 performs setuid operations to a user who is authenticating, which allows local users to bypass authentication and access virtual email accounts by attaching to the process and using a restricted file descriptor to modify account information in the response to the dovecot-auth server. checkpassword-reply en Dovecot anteriores a 2.2.7 ejecuta operaciones setuid a usuarios que se están autenticando, lo cual permite a usuarios locales sortear la autenticación y accede... • http://cpanel.net/tsr-2013-0010-full-disclosure • CWE-287: Improper Authentication •