CVE-2010-3780 – Dovecot: Busy master process, receiving a lot of SIGCHLD signals rapidly while logging, could die
https://notcve.org/view.php?id=CVE-2010-3780
Dovecot 1.2.x before 1.2.15 allows remote authenticated users to cause a denial of service (master process outage) by simultaneously disconnecting many (1) IMAP or (2) POP3 sessions. Dovecot v1.2.x anterior a v1.2.15 permite a usuarios autenticados remotamente provocar una denegación de servicio (interrupción del proceso maestro) mediante la desconexión simultanea de varias sesiones (1) IMAP o (2) POP3 • http://secunia.com/advisories/43220 http://www.dovecot.org/list/dovecot/2010-October/053450.html http://www.mandriva.com/security/advisories?name=MDVSA-2010:217 http://www.redhat.com/support/errata/RHSA-2011-0600.html http://www.ubuntu.com/usn/USN-1059-1 http://www.vupen.com/english/advisories/2010/2840 http://www.vupen.com/english/advisories/2011/0301 https://access.redhat.com/security/cve/CVE-2010-3780 https://bugzilla.redhat.com/show_bug.cgi?id=641276 •
CVE-2010-3706
https://notcve.org/view.php?id=CVE-2010-3706
plugins/acl/acl-backend-vfile.c in Dovecot 1.2.x before 1.2.15 and 2.0.x before 2.0.5 interprets an ACL entry as a directive to add to the permissions granted by another ACL entry, instead of a directive to replace the permissions granted by another ACL entry, in certain circumstances involving the private namespace of a user, which allows remote authenticated users to bypass intended access restrictions via a request to read or modify a mailbox. plugins/acl/acl-backend-vfile.c en Dovecot v1.2.x anterior a v1.2.15 y v2.0.x anterior a v2.0.5 interpreta una entrada ACL como una directiva a añadir a los permisos asignados por otra entrada ACL, en lugar de una directiva para reemplazar los permisos asignados por otra entrada ACL. En ciertas circunstancias involucrando espacios de nombres privados de un usuario, lo que permite a usuarios autenticados remotamente evitar restricciones de acceso intencionadas a través de peticiones para leer o modificar un buzón de correo • http://lists.opensuse.org/opensuse-security-announce/2010-11/msg00001.html http://marc.info/?l=oss-security&m=128620520732377&w=2 http://marc.info/?l=oss-security&m=128622064325688&w=2 http://secunia.com/advisories/43220 http://www.dovecot.org/list/dovecot/2010-October/053450.html http://www.dovecot.org/list/dovecot/2010-October/053451.html http://www.dovecot.org/list/dovecot/2010-October/053452.html http://www.mandriva.com/security/advisories?name=MDVSA-2010:217 http:/ • CWE-264: Permissions, Privileges, and Access Controls •
CVE-2010-3707 – Dovecot: Failed to properly update ACL cache, when multiple rules defined rights for one subject
https://notcve.org/view.php?id=CVE-2010-3707
plugins/acl/acl-backend-vfile.c in Dovecot 1.2.x before 1.2.15 and 2.0.x before 2.0.5 interprets an ACL entry as a directive to add to the permissions granted by another ACL entry, instead of a directive to replace the permissions granted by another ACL entry, in certain circumstances involving more specific entries that occur after less specific entries, which allows remote authenticated users to bypass intended access restrictions via a request to read or modify a mailbox. plugins/acl/acl-backend-vfile.c en Dovecot v1.2.x anterior a v1.2.15 y v2.0.x anterior a 2.0.5 interpreta una entrada ACL como una directiva a añadir a los permisos concedidos por otra entrada ACL, en ciertas circunstancias involucrando entradas más específicas que tienen lugar después de entradas menos específicas, lo que permite a usuarios autenticados remotamente evitar restricciones de acceso intencionadas a través de una petición para leer o modificar un buzón de correo. • http://lists.opensuse.org/opensuse-security-announce/2010-11/msg00001.html http://marc.info/?l=oss-security&m=128620520732377&w=2 http://marc.info/?l=oss-security&m=128622064325688&w=2 http://secunia.com/advisories/43220 http://www.dovecot.org/list/dovecot/2010-October/053450.html http://www.dovecot.org/list/dovecot/2010-October/053451.html http://www.dovecot.org/list/dovecot/2010-October/053452.html http://www.mandriva.com/security/advisories?name=MDVSA-2010:217 http:/ • CWE-264: Permissions, Privileges, and Access Controls •
CVE-2010-3304
https://notcve.org/view.php?id=CVE-2010-3304
The ACL plugin in Dovecot 1.2.x before 1.2.13 propagates INBOX ACLs to newly created mailboxes in certain configurations, which might allow remote attackers to read mailboxes that have unintended weak ACLs. El complemento ACL de Dovecot v1.2.x anteriores a v1.2.13 propaga las ACLs INBOX a nuevos buzones de correo en determinadas configuraciones, lo que puede permitir a atacantes remotos leer buzones de correo que tienen ACLs débiles imprevistos. • http://lists.opensuse.org/opensuse-security-announce/2010-09/msg00006.html http://secunia.com/advisories/43220 http://www.dovecot.org/list/dovecot-news/2010-July/000163.html http://www.mandriva.com/security/advisories?name=MDVSA-2010:217 http://www.openwall.com/lists/oss-security/2010/09/16/14 http://www.openwall.com/lists/oss-security/2010/09/16/17 http://www.securityfocus.com/bid/41964 http://www.ubuntu.com/usn/USN-1059-1 http://www.vupen.com/english/advisories • CWE-264: Permissions, Privileges, and Access Controls •
CVE-2011-1929 – dovecot: potential crash when parsing header names that contain NUL characters
https://notcve.org/view.php?id=CVE-2011-1929
lib-mail/message-header-parser.c in Dovecot 1.2.x before 1.2.17 and 2.0.x before 2.0.13 does not properly handle '\0' characters in header names, which allows remote attackers to cause a denial of service (daemon crash or mailbox corruption) via a crafted e-mail message. lib-mail/message-header-parser.c en Dovecot v1.2.x antes de v1.2.17 y v2.0.x antes de v2.0.13 no controla correctamente los caracteres '\ 0 ' en los nombres de cabecera, lo que permite a atacantes remotos provocar una denegación de servicio (caída del demonio o la corrupción de buzón) a través de un mensaje de e-mail manipulado. • http://dovecot.org/pipermail/dovecot/2011-May/059085.html http://dovecot.org/pipermail/dovecot/2011-May/059086.html http://hg.dovecot.org/dovecot-1.1/rev/3698dfe0f21c http://lists.fedoraproject.org/pipermail/package-announce/2011-June/061384.html http://lists.fedoraproject.org/pipermail/package-announce/2011-May/060815.html http://lists.fedoraproject.org/pipermail/package-announce/2011-May/060825.html http://openwall.com/lists/oss-security/2011/05/18/4 http://openwall.com/lists/oss-se • CWE-20: Improper Input Validation •