USN-3587-2: Dovecot vulnerabilities

02 April 2018

Several security issues were fixed in Dovecot.

Releases

Packages

  • dovecot - IMAP and POP3 email server

Details

USN-3587-1 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 parsing certain email
addresses. A remote attacker could use this issue to cause Dovecot to
crash, resulting in a denial of service, or possibly obtain sensitive
information. (CVE-2017-14461)

It was discovered that Dovecot incorrectly handled TLS SNI config lookups.
A remote attacker could possibly use this issue to cause Dovecot to crash,
resulting in a denial of service. (CVE-2017-15130)

Update instructions

The problem can be corrected by updating your system to the following package versions:

Ubuntu 12.04

In general, a standard system update will make all the necessary changes.

Related notices

  • USN-3587-1: dovecot-dev, dovecot-ldap, dovecot-pop3d, dovecot-lucene, dovecot-sieve, dovecot-imapd, dovecot-managesieved, dovecot-mysql, dovecot-lmtpd, dovecot, dovecot-sqlite, dovecot-solr, dovecot-pgsql, mail-stack-delivery, dovecot-core, dovecot-gssapi