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Red Hat Security Advisory 2021-4913-04

Red Hat Security Advisory 2021-4913-04
Posted Dec 3, 2021
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2021-4913-04 - Mailman is a program used to help manage e-mail discussion lists. Issues addressed include bypass and cross site request forgery vulnerabilities.

tags | advisory, vulnerability, csrf
systems | linux, redhat
advisories | CVE-2016-6893, CVE-2021-42097, CVE-2021-44227
MD5 | 9b77d575abbc349e0357fb67262f1866

Red Hat Security Advisory 2021-4913-04

Change Mirror Download
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====================================================================
Red Hat Security Advisory

Synopsis: Important: mailman security update
Advisory ID: RHSA-2021:4913-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2021:4913
Issue date: 2021-12-02
CVE Names: CVE-2016-6893 CVE-2021-42097 CVE-2021-44227
====================================================================
1. Summary:

An update for mailman is now available for Red Hat Enterprise Linux 7.

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 Server (v. 7) - ppc64, ppc64le, s390x, x86_64
Red Hat Enterprise Linux Workstation (v. 7) - 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 account
takeover (CVE-2021-42097)

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

* mailman: CSRF protection missing in the user options page (CVE-2016-6893)

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/):

1370155 - CVE-2016-6893 mailman: CSRF protection missing in the user options page
2020568 - CVE-2021-42097 mailman: CSRF token bypass allows to perform CSRF attacks and account takeover
2026862 - CVE-2021-44227 mailman: CSRF token bypass allows to perform CSRF attacks and admin takeover

6. Package List:

Red Hat Enterprise Linux Server (v. 7):

Source:
mailman-2.1.15-30.el7_9.2.src.rpm

ppc64:
mailman-2.1.15-30.el7_9.2.ppc64.rpm
mailman-debuginfo-2.1.15-30.el7_9.2.ppc64.rpm

ppc64le:
mailman-2.1.15-30.el7_9.2.ppc64le.rpm
mailman-debuginfo-2.1.15-30.el7_9.2.ppc64le.rpm

s390x:
mailman-2.1.15-30.el7_9.2.s390x.rpm
mailman-debuginfo-2.1.15-30.el7_9.2.s390x.rpm

x86_64:
mailman-2.1.15-30.el7_9.2.x86_64.rpm
mailman-debuginfo-2.1.15-30.el7_9.2.x86_64.rpm

Red Hat Enterprise Linux Workstation (v. 7):

Source:
mailman-2.1.15-30.el7_9.2.src.rpm

x86_64:
mailman-2.1.15-30.el7_9.2.x86_64.rpm
mailman-debuginfo-2.1.15-30.el7_9.2.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-2016-6893
https://access.redhat.com/security/cve/CVE-2021-42097
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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