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Red Hat Enterprise Linux 8 RHSA-2022-1950-01 Moderate Plaintext Injection

red hat
Calendar Grey May 10, 2022
Dist Redhat Esm H88
Red Hat released a security patch for Dovecot addressing vulnerabilities related to plaintext command injections. For additional information, please visit this link.
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.
The following packages have been upgraded to a later upstream version: dovecot (2.3.16). (BZ#1980014)
Security Fix(es):
* dovecot: plaintext commands injection (CVE-2021-33515)
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 8.6 Release Notes linked from the References section.

Topics%20covered

Topics Covered

security advisory moderate severity red hat enterprise dovecot update plaintext injection

References

https://access.redhat.com/security/cve/CVE-2021-33515 https://access.redhat.com/security/updates/classification/#moderate https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/8/html/8.6_release_notes/

Package List

Red Hat Enterprise Linux AppStream (v. 8):
Source: dovecot-2.3.16-2.el8.src.rpm
aarch64: dovecot-2.3.16-2.el8.aarch64.rpm dovecot-debuginfo-2.3.16-2.el8.aarch64.rpm dovecot-debugsource-2.3.16-2.el8.aarch64.rpm dovecot-mysql-2.3.16-2.el8.aarch64.rpm dovecot-mysql-debuginfo-2.3.16-2.el8.aarch64.rpm dovecot-pgsql-2.3.16-2.el8.aarch64.rpm dovecot-pgsql-debuginfo-2.3.16-2.el8.aarch64.rpm dovecot-pigeonhole-2.3.16-2.el8.aarch64.rpm dovecot-pigeonhole-debuginfo-2.3.16-2.el8.aarch64.rpm
ppc64le: dovecot-2.3.16-2.el8.ppc64le.rpm dovecot-debuginfo-2.3.16-2.el8.ppc64le.rpm dovecot-debugsource-2.3.16-2.el8.ppc64le.rpm dovecot-mysql-2.3.16-2.el8.ppc64le.rpm dovecot-mysql-debuginfo-2.3.16-2.el8.ppc64le.rpm dovecot-pgsql-2.3.16-2.el8.ppc64le.rpm dovecot-pgsql-debuginfo-2.3.16-2.el8.ppc64le.rpm dovecot-pigeonhole-2.3.16-2.el8.ppc64le.rpm dovecot-pigeonhole-debuginfo-2.3.16-2.el8.ppc64le.rpm
s390x: dovecot-2.3.16-2.el8.s390x.rpm dovecot-debuginfo-2.3.16-2.el8.s390x.rpm dovecot-debugsource-2.3.16-2.el8.s390x.rpm dovecot-mysql-2.3.16-2.el8.s390x.rpm dovecot-mysql-debuginfo-2.3.16-2.el8.s390x.rpm dovecot-pgsql-2.3.16-2.el8.s390x.rpm dovecot-pgsql-debuginfo-2.3.16-2.el8.s390x.rpm dovecot-pigeonhole-2.3.16-2.el8.s390x.rpm dovecot-pigeonhole-debuginfo-2.3.16-2.el8.s390x.rpm
x86_64:

Read the Full Advisory


Advisory ID: RHSA-2022:1950-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2022:1950
Issue date: 2022-05-10

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 moderate severity red hat enterprise dovecot update plaintext injection

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

1973610 - CVE-2021-33515 dovecot: plaintext commands injection

1974508 - Dovecot 2.3.8 regression - can not replicate using dsync

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