Issued:: 2021-12-02
Updated:: 2021-12-02

RHSA-2021:4916 - Security Advisory

Overview
Updated Packages

Synopsis

Important: mailman:2.1 security update

Type/Severity

Security Advisory: Important

Red Hat Insights patch analysis

Identify and remediate systems affected by this advisory.

View affected systems

Topic

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.

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.

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

Affected Products

Red Hat Enterprise Linux for x86_64 8 x86_64
Red Hat Enterprise Linux for x86_64 - Extended Update Support 8.8 x86_64
Red Hat Enterprise Linux for x86_64 - Extended Update Support 8.6 x86_64
Red Hat Enterprise Linux Server - AUS 8.6 x86_64
Red Hat Enterprise Linux for IBM z Systems 8 s390x
Red Hat Enterprise Linux for IBM z Systems - Extended Update Support 8.8 s390x
Red Hat Enterprise Linux for IBM z Systems - Extended Update Support 8.6 s390x
Red Hat Enterprise Linux for Power, little endian 8 ppc64le
Red Hat Enterprise Linux for Power, little endian - Extended Update Support 8.8 ppc64le
Red Hat Enterprise Linux for Power, little endian - Extended Update Support 8.6 ppc64le
Red Hat Enterprise Linux Server - TUS 8.8 x86_64
Red Hat Enterprise Linux Server - TUS 8.6 x86_64
Red Hat Enterprise Linux for ARM 64 8 aarch64
Red Hat Enterprise Linux for ARM 64 - Extended Update Support 8.8 aarch64
Red Hat Enterprise Linux for ARM 64 - Extended Update Support 8.6 aarch64
Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions 8.8 ppc64le
Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions 8.6 ppc64le
Red Hat Enterprise Linux for x86_64 - Update Services for SAP Solutions 8.8 x86_64
Red Hat Enterprise Linux for x86_64 - Update Services for SAP Solutions 8.6 x86_64

Fixes

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

CVEs

CVE-2021-44227

References

https://access.redhat.com/security/updates/classification/#important

Note: More recent versions of these packages may be available. Click a package name for more details.

Red Hat Enterprise Linux for x86_64 8

SRPM
mailman-2.1.29-12.module+el8.5.0+13466+327eb9f3.2.src.rpm	SHA-256: 4c5ef0dbc40b86fd9ecf608f949d42ce917e70df6b359e8de26a517b23b15c98
x86_64
mailman-2.1.29-12.module+el8.5.0+13466+327eb9f3.2.x86_64.rpm	SHA-256: faa729d6e4c2b3e4208ec8e150b136ff181b31755fc25c6bedb97e50163227c7
mailman-debuginfo-2.1.29-12.module+el8.5.0+13466+327eb9f3.2.x86_64.rpm	SHA-256: 0c55e5d68a2ad2f427b44f530ea17e11f80de92a7e638d84e1f7d9ae2753b940
mailman-debugsource-2.1.29-12.module+el8.5.0+13466+327eb9f3.2.x86_64.rpm	SHA-256: 606106dee12cfa2644437d44bc5520eb27578145c1fcfd1ea7573039842de7bc

Red Hat Enterprise Linux for x86_64 - Extended Update Support 8.8

SRPM
mailman-2.1.29-12.module+el8.5.0+13466+327eb9f3.2.src.rpm	SHA-256: 4c5ef0dbc40b86fd9ecf608f949d42ce917e70df6b359e8de26a517b23b15c98
x86_64
mailman-2.1.29-12.module+el8.5.0+13466+327eb9f3.2.x86_64.rpm	SHA-256: faa729d6e4c2b3e4208ec8e150b136ff181b31755fc25c6bedb97e50163227c7
mailman-debuginfo-2.1.29-12.module+el8.5.0+13466+327eb9f3.2.x86_64.rpm	SHA-256: 0c55e5d68a2ad2f427b44f530ea17e11f80de92a7e638d84e1f7d9ae2753b940
mailman-debugsource-2.1.29-12.module+el8.5.0+13466+327eb9f3.2.x86_64.rpm	SHA-256: 606106dee12cfa2644437d44bc5520eb27578145c1fcfd1ea7573039842de7bc

Red Hat Enterprise Linux for x86_64 - Extended Update Support 8.6

SRPM
mailman-2.1.29-12.module+el8.5.0+13466+327eb9f3.2.src.rpm	SHA-256: 4c5ef0dbc40b86fd9ecf608f949d42ce917e70df6b359e8de26a517b23b15c98
x86_64
mailman-2.1.29-12.module+el8.5.0+13466+327eb9f3.2.x86_64.rpm	SHA-256: faa729d6e4c2b3e4208ec8e150b136ff181b31755fc25c6bedb97e50163227c7
mailman-debuginfo-2.1.29-12.module+el8.5.0+13466+327eb9f3.2.x86_64.rpm	SHA-256: 0c55e5d68a2ad2f427b44f530ea17e11f80de92a7e638d84e1f7d9ae2753b940
mailman-debugsource-2.1.29-12.module+el8.5.0+13466+327eb9f3.2.x86_64.rpm	SHA-256: 606106dee12cfa2644437d44bc5520eb27578145c1fcfd1ea7573039842de7bc

Red Hat Enterprise Linux Server - AUS 8.6

SRPM
mailman-2.1.29-12.module+el8.5.0+13466+327eb9f3.2.src.rpm	SHA-256: 4c5ef0dbc40b86fd9ecf608f949d42ce917e70df6b359e8de26a517b23b15c98
x86_64
mailman-2.1.29-12.module+el8.5.0+13466+327eb9f3.2.x86_64.rpm	SHA-256: faa729d6e4c2b3e4208ec8e150b136ff181b31755fc25c6bedb97e50163227c7
mailman-debuginfo-2.1.29-12.module+el8.5.0+13466+327eb9f3.2.x86_64.rpm	SHA-256: 0c55e5d68a2ad2f427b44f530ea17e11f80de92a7e638d84e1f7d9ae2753b940
mailman-debugsource-2.1.29-12.module+el8.5.0+13466+327eb9f3.2.x86_64.rpm	SHA-256: 606106dee12cfa2644437d44bc5520eb27578145c1fcfd1ea7573039842de7bc

Red Hat Enterprise Linux for IBM z Systems 8

SRPM
mailman-2.1.29-12.module+el8.5.0+13466+327eb9f3.2.src.rpm	SHA-256: 4c5ef0dbc40b86fd9ecf608f949d42ce917e70df6b359e8de26a517b23b15c98
s390x
mailman-2.1.29-12.module+el8.5.0+13466+327eb9f3.2.s390x.rpm	SHA-256: fa90ea09e72956b454dff99ad2467f17f25c0af6a331044eb38f46980f727b1f
mailman-debuginfo-2.1.29-12.module+el8.5.0+13466+327eb9f3.2.s390x.rpm	SHA-256: a60e5ececf3ee18266b0e5f1bb15b6f26d37be74a7a2083caab813badd84f1f2
mailman-debugsource-2.1.29-12.module+el8.5.0+13466+327eb9f3.2.s390x.rpm	SHA-256: 88733e4a92a03834af2bd00c4934b33ca73cc3f5b6d2753ff0d71edaf7898128

Red Hat Enterprise Linux for IBM z Systems - Extended Update Support 8.8

SRPM
mailman-2.1.29-12.module+el8.5.0+13466+327eb9f3.2.src.rpm	SHA-256: 4c5ef0dbc40b86fd9ecf608f949d42ce917e70df6b359e8de26a517b23b15c98
s390x
mailman-2.1.29-12.module+el8.5.0+13466+327eb9f3.2.s390x.rpm	SHA-256: fa90ea09e72956b454dff99ad2467f17f25c0af6a331044eb38f46980f727b1f
mailman-debuginfo-2.1.29-12.module+el8.5.0+13466+327eb9f3.2.s390x.rpm	SHA-256: a60e5ececf3ee18266b0e5f1bb15b6f26d37be74a7a2083caab813badd84f1f2
mailman-debugsource-2.1.29-12.module+el8.5.0+13466+327eb9f3.2.s390x.rpm	SHA-256: 88733e4a92a03834af2bd00c4934b33ca73cc3f5b6d2753ff0d71edaf7898128

Red Hat Enterprise Linux for IBM z Systems - Extended Update Support 8.6

SRPM
mailman-2.1.29-12.module+el8.5.0+13466+327eb9f3.2.src.rpm	SHA-256: 4c5ef0dbc40b86fd9ecf608f949d42ce917e70df6b359e8de26a517b23b15c98
s390x
mailman-2.1.29-12.module+el8.5.0+13466+327eb9f3.2.s390x.rpm	SHA-256: fa90ea09e72956b454dff99ad2467f17f25c0af6a331044eb38f46980f727b1f
mailman-debuginfo-2.1.29-12.module+el8.5.0+13466+327eb9f3.2.s390x.rpm	SHA-256: a60e5ececf3ee18266b0e5f1bb15b6f26d37be74a7a2083caab813badd84f1f2
mailman-debugsource-2.1.29-12.module+el8.5.0+13466+327eb9f3.2.s390x.rpm	SHA-256: 88733e4a92a03834af2bd00c4934b33ca73cc3f5b6d2753ff0d71edaf7898128

Red Hat Enterprise Linux for Power, little endian 8

SRPM
mailman-2.1.29-12.module+el8.5.0+13466+327eb9f3.2.src.rpm	SHA-256: 4c5ef0dbc40b86fd9ecf608f949d42ce917e70df6b359e8de26a517b23b15c98
ppc64le
mailman-2.1.29-12.module+el8.5.0+13466+327eb9f3.2.ppc64le.rpm	SHA-256: 2bea49107f38349be88dd1bea96990b650c6f91f1cafa13bf44a23f48863fcd0
mailman-debuginfo-2.1.29-12.module+el8.5.0+13466+327eb9f3.2.ppc64le.rpm	SHA-256: c1edf2fc7dee653fbefea774339cc56f96a1824c0efd35977666d8701b80462f
mailman-debugsource-2.1.29-12.module+el8.5.0+13466+327eb9f3.2.ppc64le.rpm	SHA-256: 5977ba546c1a5d931637af876661a0e04ac1ffdd0a478fa4223c15fe0d1c381d

Red Hat Enterprise Linux for Power, little endian - Extended Update Support 8.8

SRPM
mailman-2.1.29-12.module+el8.5.0+13466+327eb9f3.2.src.rpm	SHA-256: 4c5ef0dbc40b86fd9ecf608f949d42ce917e70df6b359e8de26a517b23b15c98
ppc64le
mailman-2.1.29-12.module+el8.5.0+13466+327eb9f3.2.ppc64le.rpm	SHA-256: 2bea49107f38349be88dd1bea96990b650c6f91f1cafa13bf44a23f48863fcd0
mailman-debuginfo-2.1.29-12.module+el8.5.0+13466+327eb9f3.2.ppc64le.rpm	SHA-256: c1edf2fc7dee653fbefea774339cc56f96a1824c0efd35977666d8701b80462f
mailman-debugsource-2.1.29-12.module+el8.5.0+13466+327eb9f3.2.ppc64le.rpm	SHA-256: 5977ba546c1a5d931637af876661a0e04ac1ffdd0a478fa4223c15fe0d1c381d

Red Hat Enterprise Linux for Power, little endian - Extended Update Support 8.6

SRPM
mailman-2.1.29-12.module+el8.5.0+13466+327eb9f3.2.src.rpm	SHA-256: 4c5ef0dbc40b86fd9ecf608f949d42ce917e70df6b359e8de26a517b23b15c98
ppc64le
mailman-2.1.29-12.module+el8.5.0+13466+327eb9f3.2.ppc64le.rpm	SHA-256: 2bea49107f38349be88dd1bea96990b650c6f91f1cafa13bf44a23f48863fcd0
mailman-debuginfo-2.1.29-12.module+el8.5.0+13466+327eb9f3.2.ppc64le.rpm	SHA-256: c1edf2fc7dee653fbefea774339cc56f96a1824c0efd35977666d8701b80462f
mailman-debugsource-2.1.29-12.module+el8.5.0+13466+327eb9f3.2.ppc64le.rpm	SHA-256: 5977ba546c1a5d931637af876661a0e04ac1ffdd0a478fa4223c15fe0d1c381d

Red Hat Enterprise Linux Server - TUS 8.8

SRPM
mailman-2.1.29-12.module+el8.5.0+13466+327eb9f3.2.src.rpm	SHA-256: 4c5ef0dbc40b86fd9ecf608f949d42ce917e70df6b359e8de26a517b23b15c98
x86_64
mailman-2.1.29-12.module+el8.5.0+13466+327eb9f3.2.x86_64.rpm	SHA-256: faa729d6e4c2b3e4208ec8e150b136ff181b31755fc25c6bedb97e50163227c7
mailman-debuginfo-2.1.29-12.module+el8.5.0+13466+327eb9f3.2.x86_64.rpm	SHA-256: 0c55e5d68a2ad2f427b44f530ea17e11f80de92a7e638d84e1f7d9ae2753b940
mailman-debugsource-2.1.29-12.module+el8.5.0+13466+327eb9f3.2.x86_64.rpm	SHA-256: 606106dee12cfa2644437d44bc5520eb27578145c1fcfd1ea7573039842de7bc

Red Hat Enterprise Linux Server - TUS 8.6

SRPM
mailman-2.1.29-12.module+el8.5.0+13466+327eb9f3.2.src.rpm	SHA-256: 4c5ef0dbc40b86fd9ecf608f949d42ce917e70df6b359e8de26a517b23b15c98
x86_64
mailman-2.1.29-12.module+el8.5.0+13466+327eb9f3.2.x86_64.rpm	SHA-256: faa729d6e4c2b3e4208ec8e150b136ff181b31755fc25c6bedb97e50163227c7
mailman-debuginfo-2.1.29-12.module+el8.5.0+13466+327eb9f3.2.x86_64.rpm	SHA-256: 0c55e5d68a2ad2f427b44f530ea17e11f80de92a7e638d84e1f7d9ae2753b940
mailman-debugsource-2.1.29-12.module+el8.5.0+13466+327eb9f3.2.x86_64.rpm	SHA-256: 606106dee12cfa2644437d44bc5520eb27578145c1fcfd1ea7573039842de7bc

Red Hat Enterprise Linux for ARM 64 8

SRPM
mailman-2.1.29-12.module+el8.5.0+13466+327eb9f3.2.src.rpm	SHA-256: 4c5ef0dbc40b86fd9ecf608f949d42ce917e70df6b359e8de26a517b23b15c98
aarch64
mailman-2.1.29-12.module+el8.5.0+13466+327eb9f3.2.aarch64.rpm	SHA-256: 095ca6f7ebc94f7c8c88e6f5b2d52d6a83fd287d3de494ba4e028264986ff733
mailman-debuginfo-2.1.29-12.module+el8.5.0+13466+327eb9f3.2.aarch64.rpm	SHA-256: a666961a0e97e31723c9935277fcd754e784c1c56a3d49b4aaf3971542f60a58
mailman-debugsource-2.1.29-12.module+el8.5.0+13466+327eb9f3.2.aarch64.rpm	SHA-256: dcac432baf4af8c3f1329355ea7ce8450e7b73cf4d44202fe135b948a445e008

Red Hat Enterprise Linux for ARM 64 - Extended Update Support 8.8

SRPM
mailman-2.1.29-12.module+el8.5.0+13466+327eb9f3.2.src.rpm	SHA-256: 4c5ef0dbc40b86fd9ecf608f949d42ce917e70df6b359e8de26a517b23b15c98
aarch64
mailman-2.1.29-12.module+el8.5.0+13466+327eb9f3.2.aarch64.rpm	SHA-256: 095ca6f7ebc94f7c8c88e6f5b2d52d6a83fd287d3de494ba4e028264986ff733
mailman-debuginfo-2.1.29-12.module+el8.5.0+13466+327eb9f3.2.aarch64.rpm	SHA-256: a666961a0e97e31723c9935277fcd754e784c1c56a3d49b4aaf3971542f60a58
mailman-debugsource-2.1.29-12.module+el8.5.0+13466+327eb9f3.2.aarch64.rpm	SHA-256: dcac432baf4af8c3f1329355ea7ce8450e7b73cf4d44202fe135b948a445e008

Red Hat Enterprise Linux for ARM 64 - Extended Update Support 8.6

SRPM
mailman-2.1.29-12.module+el8.5.0+13466+327eb9f3.2.src.rpm	SHA-256: 4c5ef0dbc40b86fd9ecf608f949d42ce917e70df6b359e8de26a517b23b15c98
aarch64
mailman-2.1.29-12.module+el8.5.0+13466+327eb9f3.2.aarch64.rpm	SHA-256: 095ca6f7ebc94f7c8c88e6f5b2d52d6a83fd287d3de494ba4e028264986ff733
mailman-debuginfo-2.1.29-12.module+el8.5.0+13466+327eb9f3.2.aarch64.rpm	SHA-256: a666961a0e97e31723c9935277fcd754e784c1c56a3d49b4aaf3971542f60a58
mailman-debugsource-2.1.29-12.module+el8.5.0+13466+327eb9f3.2.aarch64.rpm	SHA-256: dcac432baf4af8c3f1329355ea7ce8450e7b73cf4d44202fe135b948a445e008

Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions 8.8

SRPM
mailman-2.1.29-12.module+el8.5.0+13466+327eb9f3.2.src.rpm	SHA-256: 4c5ef0dbc40b86fd9ecf608f949d42ce917e70df6b359e8de26a517b23b15c98
ppc64le
mailman-2.1.29-12.module+el8.5.0+13466+327eb9f3.2.ppc64le.rpm	SHA-256: 2bea49107f38349be88dd1bea96990b650c6f91f1cafa13bf44a23f48863fcd0
mailman-debuginfo-2.1.29-12.module+el8.5.0+13466+327eb9f3.2.ppc64le.rpm	SHA-256: c1edf2fc7dee653fbefea774339cc56f96a1824c0efd35977666d8701b80462f
mailman-debugsource-2.1.29-12.module+el8.5.0+13466+327eb9f3.2.ppc64le.rpm	SHA-256: 5977ba546c1a5d931637af876661a0e04ac1ffdd0a478fa4223c15fe0d1c381d

Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions 8.6

SRPM
mailman-2.1.29-12.module+el8.5.0+13466+327eb9f3.2.src.rpm	SHA-256: 4c5ef0dbc40b86fd9ecf608f949d42ce917e70df6b359e8de26a517b23b15c98
ppc64le
mailman-2.1.29-12.module+el8.5.0+13466+327eb9f3.2.ppc64le.rpm	SHA-256: 2bea49107f38349be88dd1bea96990b650c6f91f1cafa13bf44a23f48863fcd0
mailman-debuginfo-2.1.29-12.module+el8.5.0+13466+327eb9f3.2.ppc64le.rpm	SHA-256: c1edf2fc7dee653fbefea774339cc56f96a1824c0efd35977666d8701b80462f
mailman-debugsource-2.1.29-12.module+el8.5.0+13466+327eb9f3.2.ppc64le.rpm	SHA-256: 5977ba546c1a5d931637af876661a0e04ac1ffdd0a478fa4223c15fe0d1c381d

Red Hat Enterprise Linux for x86_64 - Update Services for SAP Solutions 8.8

SRPM
mailman-2.1.29-12.module+el8.5.0+13466+327eb9f3.2.src.rpm	SHA-256: 4c5ef0dbc40b86fd9ecf608f949d42ce917e70df6b359e8de26a517b23b15c98
x86_64
mailman-2.1.29-12.module+el8.5.0+13466+327eb9f3.2.x86_64.rpm	SHA-256: faa729d6e4c2b3e4208ec8e150b136ff181b31755fc25c6bedb97e50163227c7
mailman-debuginfo-2.1.29-12.module+el8.5.0+13466+327eb9f3.2.x86_64.rpm	SHA-256: 0c55e5d68a2ad2f427b44f530ea17e11f80de92a7e638d84e1f7d9ae2753b940
mailman-debugsource-2.1.29-12.module+el8.5.0+13466+327eb9f3.2.x86_64.rpm	SHA-256: 606106dee12cfa2644437d44bc5520eb27578145c1fcfd1ea7573039842de7bc

Red Hat Enterprise Linux for x86_64 - Update Services for SAP Solutions 8.6

SRPM
mailman-2.1.29-12.module+el8.5.0+13466+327eb9f3.2.src.rpm	SHA-256: 4c5ef0dbc40b86fd9ecf608f949d42ce917e70df6b359e8de26a517b23b15c98
x86_64
mailman-2.1.29-12.module+el8.5.0+13466+327eb9f3.2.x86_64.rpm	SHA-256: faa729d6e4c2b3e4208ec8e150b136ff181b31755fc25c6bedb97e50163227c7
mailman-debuginfo-2.1.29-12.module+el8.5.0+13466+327eb9f3.2.x86_64.rpm	SHA-256: 0c55e5d68a2ad2f427b44f530ea17e11f80de92a7e638d84e1f7d9ae2753b940
mailman-debugsource-2.1.29-12.module+el8.5.0+13466+327eb9f3.2.x86_64.rpm	SHA-256: 606106dee12cfa2644437d44bc5520eb27578145c1fcfd1ea7573039842de7bc

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