USN-3881-2: Dovecot vulnerability
5 February 2019
Dovecot could be made to expose sensitive information over the network.
- dovecot - IMAP and POP3 email server
USN-3881-1 fixed a vulnerability in Dovecot. This update provides
the corresponding update for Ubuntu 12.04 ESM.
Original advisory details:
It was discovered that Dovecot 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.
- USN-3881-1: dovecot-imapd, dovecot-sqlite, dovecot-gssapi, dovecot-managesieved, dovecot-pgsql, dovecot-lmtpd, dovecot-auth-lua, dovecot-mysql, dovecot-dev, dovecot-submissiond, mail-stack-delivery, dovecot-pop3d, dovecot-sieve, dovecot-core, dovecot-lucene, dovecot, dovecot-solr, dovecot-ldap