Authentication flaw

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 varexpand to perform %variable expansion. Sending specially crafted %variable fields could result in...

CVE-2017-2669

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 varexpand to perform %variable expansion. Sending specially crafted %variable fields could result in...

CVE-2017-2669

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 varexpand to perform %variable expansion. Sending specially crafted %variable fields could result in...