Red Hat Security Advisory 2021-4916-01 - Mailman is a program used to help manage e-mail discussion lists. Issues addressed include bypass and cross site request forgery vulnerabilities.
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Red Hat Security Advisory
Synopsis: Important: mailman:2.1 security update
Advisory ID: RHSA-2021:4916-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2021:4916
Issue date: 2021-12-02
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.
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 (v. 8) - aarch64, ppc64le, s390x, 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 (v. 8):
Source:
mailman-2.1.29-12.module+el8.5.0+13466+327eb9f3.2.src.rpm
aarch64:
mailman-2.1.29-12.module+el8.5.0+13466+327eb9f3.2.aarch64.rpm
mailman-debuginfo-2.1.29-12.module+el8.5.0+13466+327eb9f3.2.aarch64.rpm
mailman-debugsource-2.1.29-12.module+el8.5.0+13466+327eb9f3.2.aarch64.rpm
ppc64le:
mailman-2.1.29-12.module+el8.5.0+13466+327eb9f3.2.ppc64le.rpm
mailman-debuginfo-2.1.29-12.module+el8.5.0+13466+327eb9f3.2.ppc64le.rpm
mailman-debugsource-2.1.29-12.module+el8.5.0+13466+327eb9f3.2.ppc64le.rpm
s390x:
mailman-2.1.29-12.module+el8.5.0+13466+327eb9f3.2.s390x.rpm
mailman-debuginfo-2.1.29-12.module+el8.5.0+13466+327eb9f3.2.s390x.rpm
mailman-debugsource-2.1.29-12.module+el8.5.0+13466+327eb9f3.2.s390x.rpm
x86_64:
mailman-2.1.29-12.module+el8.5.0+13466+327eb9f3.2.x86_64.rpm
mailman-debuginfo-2.1.29-12.module+el8.5.0+13466+327eb9f3.2.x86_64.rpm
mailman-debugsource-2.1.29-12.module+el8.5.0+13466+327eb9f3.2.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 <secalert@redhat.com>. More contact
details at https://access.redhat.com/security/team/contact/
Copyright 2021 Red Hat, Inc.
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