A mailman:2.1 security update has been released for Red Hat Enterprise Linux 8.1.

RHSA-2021:5081-03: Important: mailman:2.1 security update

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Red Hat Security Advisory

Synopsis: Important: mailman:2.1 security update
Advisory ID: RHSA-2021:5081-01
Product: Red Hat Enterprise Linux
Advisory URL:   https://access.redhat.com/errata/RHSA-2021:5081
Issue date: 2021-12-13
CVE Names: CVE-2021-44227
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1. Summary:

An update for the mailman:2.1 module is now available for Red Hat
Enterprise Linux 8.1 Update Services for SAP Solutions.

Red Hat Product Security has rated this update as having a security impact
of Important. 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.

2. Relevant releases/architectures:

Red Hat Enterprise Linux AppStream E4S (v. 8.1) - ppc64le, x86_64

3. Description:

Mailman is a program used to help manage e-mail discussion lists.

Security Fix(es):

* mailman: CSRF token bypass allows to perform CSRF attacks and admin
takeover (CVE-2021-44227)

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.

4. 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

5. Bugs fixed (  https://bugzilla.redhat.com/):

2026862 - CVE-2021-44227 mailman: CSRF token bypass allows to perform CSRF attacks and admin takeover

6. Package List:

Red Hat Enterprise Linux AppStream E4S (v. 8.1):

Source:
mailman-2.1.29-5.module+el8.1.0+13542+e9b93c88.src.rpm

ppc64le:
mailman-2.1.29-5.module+el8.1.0+13542+e9b93c88.ppc64le.rpm
mailman-debuginfo-2.1.29-5.module+el8.1.0+13542+e9b93c88.ppc64le.rpm
mailman-debugsource-2.1.29-5.module+el8.1.0+13542+e9b93c88.ppc64le.rpm

x86_64:
mailman-2.1.29-5.module+el8.1.0+13542+e9b93c88.x86_64.rpm
mailman-debuginfo-2.1.29-5.module+el8.1.0+13542+e9b93c88.x86_64.rpm
mailman-debugsource-2.1.29-5.module+el8.1.0+13542+e9b93c88.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/

7. References:

  https://access.redhat.com/security/cve/CVE-2021-44227
  https://access.redhat.com/security/updates/classification/#important

8. Contact:

The Red Hat security contact is . More contact
details at   https://access.redhat.com/security/team/contact/

Copyright 2021 Red Hat, Inc.