Alerts This Week
Warning Icon 1 923
Alerts This Week
Warning Icon 1 923

Red Hat Enterprise Linux 8: RHSA-2020-2901-01 Important: Dovecot DoS Fix

red hat
Calendar Grey July 13, 2020
Dist Redhat Esm H88
Investigate the specifics of the vital dovecot security patch for Red Hat Enterprise Linux, safeguarding your system's integrity.
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: malformed NOOP commands leads to DoS (CVE-2020-10957)
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.

Topics%20covered

Topics Covered

security advisory security update Red Hat DoS important dovecot impact

References

https://access.redhat.com/security/cve/CVE-2020-10957 https://access.redhat.com/security/updates/classification/#important

Package List

Red Hat Enterprise Linux AppStream (v. 8):
Source: dovecot-2.3.8-2.el8_2.1.src.rpm
aarch64: dovecot-2.3.8-2.el8_2.1.aarch64.rpm dovecot-debuginfo-2.3.8-2.el8_2.1.aarch64.rpm dovecot-debugsource-2.3.8-2.el8_2.1.aarch64.rpm dovecot-mysql-2.3.8-2.el8_2.1.aarch64.rpm dovecot-mysql-debuginfo-2.3.8-2.el8_2.1.aarch64.rpm dovecot-pgsql-2.3.8-2.el8_2.1.aarch64.rpm dovecot-pgsql-debuginfo-2.3.8-2.el8_2.1.aarch64.rpm dovecot-pigeonhole-2.3.8-2.el8_2.1.aarch64.rpm dovecot-pigeonhole-debuginfo-2.3.8-2.el8_2.1.aarch64.rpm
ppc64le: dovecot-2.3.8-2.el8_2.1.ppc64le.rpm dovecot-debuginfo-2.3.8-2.el8_2.1.ppc64le.rpm dovecot-debugsource-2.3.8-2.el8_2.1.ppc64le.rpm dovecot-mysql-2.3.8-2.el8_2.1.ppc64le.rpm dovecot-mysql-debuginfo-2.3.8-2.el8_2.1.ppc64le.rpm dovecot-pgsql-2.3.8-2.el8_2.1.ppc64le.rpm dovecot-pgsql-debuginfo-2.3.8-2.el8_2.1.ppc64le.rpm dovecot-pigeonhole-2.3.8-2.el8_2.1.ppc64le.rpm dovecot-pigeonhole-debuginfo-2.3.8-2.el8_2.1.ppc64le.rpm
s390x: dovecot-2.3.8-2.el8_2.1.s390x.rpm dovecot-debuginfo-2.3.8-2.el8_2.1.s390x.rpm dovecot-debugsource-2.3.8-2.el8_2.1.s390x.rpm dovecot-mysql-2.3.8-2.el8_2.1.s390x.rpm dovecot-mysql-debuginfo-2.3.8-2.el8_2.1.s390x.rpm dovecot-pgsql-2.3.8-2.el8_2.1.s390x.rpm dovecot-pgsql-debuginfo-2.3.8-2.el8_2.1.s390x.rpm

Read the Full Advisory


Severity
important
Lowest
Low
Medium
High
Critical

Advisory ID: RHSA-2020:2901-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2020:2901
Issue date: 2020-07-13

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 Important. A Common Vulnerability Scoring System (CVSS) base score,which gives a detailed severity rating, is available for each vulnerabilityfrom the CVE link(s) in the References section.

Topics%20covered

Topics Covered

security advisory security update Red Hat DoS important dovecot impact

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

1834317 - CVE-2020-10957 dovecot: malformed NOOP commands leads to DoS

Get the latest News and Insights

Get the latest Linux and open source security news straight to your inbox.

Your message here