Ubuntu 22.04 LTS: 5509-1 Moderate: Dovecot Unintended Access Issue

ubuntu

July 11, 2022

Dovecot could allow unintended access to network services.

Summary

Dovecot could allow unintended access to network services.

Software Description:

- dovecot: IMAP and POP3 email server

Details:

Julian Brook discovered that Dovecot incorrectly handled multiple passdb

configuration entries. In certain configurations, a remote attacker could

possibly use this issue to escalate privileges.

Topics Covered

security advisory moderate security issue privilege escalation ubuntu network access dovecot

Update Instructions

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

Ubuntu 22.04 LTS:
  dovecot-core                    1:2.3.16+dfsg1-3ubuntu2.1

Ubuntu 21.10:
  dovecot-core                    1:2.3.13+dfsg1-1ubuntu3.1

Ubuntu 20.04 LTS:
  dovecot-core                    1:2.3.7.2-1ubuntu3.6

Ubuntu 18.04 LTS:
  dovecot-core                    1:2.2.33.2-1ubuntu4.8

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