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RHEL 8 RHSA-2021-4181-01 Moderate: Mutt Security Update

red hat
Calendar Grey November 9, 2021
Dist Redhat Esm H88
Ubuntu unveils a significant security patch for vim, tackling vulnerabilities and reinforcing protective protocols.
An update for mutt 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

Mutt is a low resource, highly configurable, text-based MIME e-mail client. Mutt supports most e-mail storing formats, such as mbox and Maildir, as well as most protocols, including POP3 and IMAP.
The following packages have been upgraded to a later upstream version: mutt (2.0.7). (BZ#1912614)
Security Fix(es):
* mutt: Incorrect handling of invalid initial IMAP responses could lead to an authentication attempt over unencrypted connection (CVE-2020-28896)
* mutt: Memory leak when parsing rfc822 group addresses (CVE-2021-3181)
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 8.5 Release Notes linked from the References section.

Topics%20covered

Topics Covered

security advisory unauthorized access bug fix Red Hat Enterprise Linux moderate severity memory leak mutt

References

https://access.redhat.com/security/cve/CVE-2020-28896 https://access.redhat.com/security/cve/CVE-2021-3181 https://access.redhat.com/security/updates/classification#moderate https://docs.redhat.com/en/documentation/red_hat_enterprise_linux/8/html/8.5_release_notes/index

Package List

Red Hat Enterprise Linux AppStream (v. 8):
Source: mutt-2.0.7-1.el8.src.rpm
aarch64: mutt-2.0.7-1.el8.aarch64.rpm mutt-debuginfo-2.0.7-1.el8.aarch64.rpm mutt-debugsource-2.0.7-1.el8.aarch64.rpm
ppc64le: mutt-2.0.7-1.el8.ppc64le.rpm mutt-debuginfo-2.0.7-1.el8.ppc64le.rpm mutt-debugsource-2.0.7-1.el8.ppc64le.rpm
s390x: mutt-2.0.7-1.el8.s390x.rpm mutt-debuginfo-2.0.7-1.el8.s390x.rpm mutt-debugsource-2.0.7-1.el8.s390x.rpm
x86_64: mutt-2.0.7-1.el8.x86_64.rpm mutt-debuginfo-2.0.7-1.el8.x86_64.rpm mutt-debugsource-2.0.7-1.el8.x86_64.rpm
These packages are GPG signed by Red Hat for security. Our key and details on how to verify the signature are available from https://access.redhat.com/security/team/key


Severity
important
Lowest
Low
Medium
High
Critical

Advisory ID: RHSA-2021:4181-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2021:4181
Issue date: 2021-11-09

Topic

An update for mutt 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 unauthorized access bug fix Red Hat Enterprise Linux moderate severity memory leak mutt

Relevant Releases Architectures

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

Bugs Fixed

1890084 - RFE: Enable oauth2 support in mutt

1900826 - CVE-2020-28896 mutt: Incorrect handling of invalid initial IMAP responses could lead to an authentication attempt over unencrypted connection

1912614 - [RFE] Rebase mutt packages to mutt v2.x+

1920446 - CVE-2021-3181 mutt: Memory leak when parsing rfc822 group addresses

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