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Red Hat: RHSA-2022-7623-01 Moderate: Dovecot Privilege Escalation

red hat
Calendar Grey November 8, 2022
Dist Redhat Esm H88
An advisory for dovecot on Red Hat Enterprise Linux 8 classified as moderate concerning privilege escalation has been released. Discover the steps to implement this solution.
An update for dovecot is now available for Red Hat Enterprise Linux 8

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

Summary

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 8.7 Release Notes linked from the References section.

Topics%20covered

Topics Covered

security advisory security update Red Hat privilege escalation moderate severity dovecot

References

https://access.redhat.com/security/cve/CVE-2022-30550 https://access.redhat.com/security/updates/classification#moderate https://docs.redhat.com/en/documentation/red_hat_enterprise_linux/8/html/8.7_release_notes/index

Package List

Red Hat Enterprise Linux AppStream (v. 8):
Source: dovecot-2.3.16-3.el8.src.rpm
aarch64: dovecot-2.3.16-3.el8.aarch64.rpm dovecot-debuginfo-2.3.16-3.el8.aarch64.rpm dovecot-debugsource-2.3.16-3.el8.aarch64.rpm dovecot-mysql-2.3.16-3.el8.aarch64.rpm dovecot-mysql-debuginfo-2.3.16-3.el8.aarch64.rpm dovecot-pgsql-2.3.16-3.el8.aarch64.rpm dovecot-pgsql-debuginfo-2.3.16-3.el8.aarch64.rpm dovecot-pigeonhole-2.3.16-3.el8.aarch64.rpm dovecot-pigeonhole-debuginfo-2.3.16-3.el8.aarch64.rpm
ppc64le: dovecot-2.3.16-3.el8.ppc64le.rpm dovecot-debuginfo-2.3.16-3.el8.ppc64le.rpm dovecot-debugsource-2.3.16-3.el8.ppc64le.rpm dovecot-mysql-2.3.16-3.el8.ppc64le.rpm dovecot-mysql-debuginfo-2.3.16-3.el8.ppc64le.rpm dovecot-pgsql-2.3.16-3.el8.ppc64le.rpm dovecot-pgsql-debuginfo-2.3.16-3.el8.ppc64le.rpm dovecot-pigeonhole-2.3.16-3.el8.ppc64le.rpm dovecot-pigeonhole-debuginfo-2.3.16-3.el8.ppc64le.rpm
s390x: dovecot-2.3.16-3.el8.s390x.rpm dovecot-debuginfo-2.3.16-3.el8.s390x.rpm dovecot-debugsource-2.3.16-3.el8.s390x.rpm dovecot-mysql-2.3.16-3.el8.s390x.rpm dovecot-mysql-debuginfo-2.3.16-3.el8.s390x.rpm dovecot-pgsql-2.3.16-3.el8.s390x.rpm dovecot-pgsql-debuginfo-2.3.16-3.el8.s390x.rpm dovecot-pigeonhole-2.3.16-3.el8.s390x.rpm dovecot-pigeonhole-debuginfo-2.3.16-3.el8.s390x.rpm
x86_64:

Read the Full Advisory


Advisory ID: RHSA-2022:7623-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2022:7623
Issue date: 2022-11-08

Topic

An update for dovecot is now available for Red Hat Enterprise Linux 8.Red Hat Product Security has rated this update as having a security impactof Moderate. A Common Vulnerability Scoring System (CVSS) base score, whichgives a detailed severity rating, is available for each vulnerability fromthe CVE link(s) in the References section.

Topics%20covered

Topics Covered

security advisory security update Red Hat privilege escalation moderate severity dovecot

Relevant Releases Architectures

Red Hat CodeReady Linux Builder (v. 8) - aarch64, ppc64le, s390x, x86_64

Red Hat Enterprise Linux AppStream (v. 8) - aarch64, ppc64le, s390x, x86_64

Bugs Fixed

2105070 - CVE-2022-30550 dovecot: Privilege escalation when similar master and non-master passdbs are used

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