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Red Hat Product Errata RHSA-2021:4913 - Security Advisory
Issued:
2021-12-02
Updated:
2021-12-02

RHSA-2021:4913 - Security Advisory

  • Overview
  • Updated Packages

Synopsis

Important: mailman 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 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.

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.

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 Server 7 x86_64
  • Red Hat Enterprise Linux Workstation 7 x86_64
  • Red Hat Enterprise Linux for IBM z Systems 7 s390x
  • Red Hat Enterprise Linux for Power, big endian 7 ppc64
  • Red Hat Enterprise Linux for Power, little endian 7 ppc64le

Fixes

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

CVEs

  • CVE-2016-6893
  • CVE-2021-42097
  • 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 Server 7

SRPM
mailman-2.1.15-30.el7_9.2.src.rpm SHA-256: 500f72e567f6ced454bb5e7d7450aaaa180fda3d2fb4179f418d1ab9c0b9764f
x86_64
mailman-2.1.15-30.el7_9.2.x86_64.rpm SHA-256: f9fdf05e9d25a170e0b1623240359d06c1d10ef850d23164c713d2ecdad02233
mailman-debuginfo-2.1.15-30.el7_9.2.x86_64.rpm SHA-256: 82e9051d8b423b617c1392ccb0e05601fc5e8ef4664303d363126781d22558a0

Red Hat Enterprise Linux Workstation 7

SRPM
mailman-2.1.15-30.el7_9.2.src.rpm SHA-256: 500f72e567f6ced454bb5e7d7450aaaa180fda3d2fb4179f418d1ab9c0b9764f
x86_64
mailman-2.1.15-30.el7_9.2.x86_64.rpm SHA-256: f9fdf05e9d25a170e0b1623240359d06c1d10ef850d23164c713d2ecdad02233
mailman-debuginfo-2.1.15-30.el7_9.2.x86_64.rpm SHA-256: 82e9051d8b423b617c1392ccb0e05601fc5e8ef4664303d363126781d22558a0

Red Hat Enterprise Linux for IBM z Systems 7

SRPM
mailman-2.1.15-30.el7_9.2.src.rpm SHA-256: 500f72e567f6ced454bb5e7d7450aaaa180fda3d2fb4179f418d1ab9c0b9764f
s390x
mailman-2.1.15-30.el7_9.2.s390x.rpm SHA-256: b9f50af77d31fcfdaaedc431edd15370eaa884aafcf48382fa13541f7fc196a0
mailman-debuginfo-2.1.15-30.el7_9.2.s390x.rpm SHA-256: 2b9dcf300142fc9a69b9d6966f0796bebb38de37562e4a667578faeef8e81939

Red Hat Enterprise Linux for Power, big endian 7

SRPM
mailman-2.1.15-30.el7_9.2.src.rpm SHA-256: 500f72e567f6ced454bb5e7d7450aaaa180fda3d2fb4179f418d1ab9c0b9764f
ppc64
mailman-2.1.15-30.el7_9.2.ppc64.rpm SHA-256: b252aeb63854fcfcf0ec53c65f8203b2a0898917d9d455071ae5018970268c34
mailman-debuginfo-2.1.15-30.el7_9.2.ppc64.rpm SHA-256: 697cf4bc9256231f19fbd20f02e167a82709bad574ad1bd1c2b27fa832ff19c8

Red Hat Enterprise Linux for Power, little endian 7

SRPM
mailman-2.1.15-30.el7_9.2.src.rpm SHA-256: 500f72e567f6ced454bb5e7d7450aaaa180fda3d2fb4179f418d1ab9c0b9764f
ppc64le
mailman-2.1.15-30.el7_9.2.ppc64le.rpm SHA-256: 01e01c5bcec2f909be38d65cc0d6f51103c208784231a2ec984b57d91dd64cc9
mailman-debuginfo-2.1.15-30.el7_9.2.ppc64le.rpm SHA-256: 203c1ade615b8e21b9f75823920c3d4cfa4f30e3a99b3b9b5bd5d6e771669d39

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

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