Moderate: dovecot security and enhancement update

Related Vulnerabilities: CVE-2022-30550  

Synopsis

Moderate: dovecot security and enhancement update

Type/Severity

Security Advisory: Moderate

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Topic

An update for dovecot is now available for Red Hat Enterprise Linux 9.

Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

Description

Dovecot is an IMAP server for Linux and other UNIX-like systems, written primarily with security in mind. It also contains a small POP3 server, and supports e-mail in either the maildir or mbox format. The SQL drivers and authentication plug-ins are provided as subpackages.

Security Fix(es):

  • dovecot: Privilege escalation when similar master and non-master passdbs are used (CVE-2022-30550)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Additional Changes:

For detailed information on changes in this release, see the Red Hat Enterprise Linux 9.1 Release Notes linked from the References section.

Solution

For details on how to apply this update, which includes the changes described in this advisory, refer to:

https://access.redhat.com/articles/11258

Affected Products

  • Red Hat Enterprise Linux for x86_64 9 x86_64
  • Red Hat Enterprise Linux for IBM z Systems 9 s390x
  • Red Hat Enterprise Linux for Power, little endian 9 ppc64le
  • Red Hat Enterprise Linux for ARM 64 9 aarch64
  • Red Hat CodeReady Linux Builder for x86_64 9 x86_64
  • Red Hat CodeReady Linux Builder for Power, little endian 9 ppc64le
  • Red Hat CodeReady Linux Builder for ARM 64 9 aarch64
  • Red Hat CodeReady Linux Builder for IBM z Systems 9 s390x

Fixes

  • BZ - 2053368 - installing dovecot-pgsql via kickstart fails on Error in POSTIN scriptlet
  • BZ - 2095399 - [RFE] dovecot use systemd-sysusers
  • BZ - 2105070 - CVE-2022-30550 dovecot: Privilege escalation when similar master and non-master passdbs are used