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Red Hat 7: RHSA-2021-4913-04 Important Mailman CSRF Update

red hat
Calendar Grey December 2, 2021
Dist Redhat Esm H88
Crucial newsletter notification for Red Hat addresses vital XSS vulnerabilities to bolster system integrity and user safety.
An update for mailman is now available for Red Hat Enterprise Linux 7

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

Summary

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.

Topics%20covered

Topics Covered

security advisory Red Hat security impact mailman important update CSRF issue

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

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


Severity
important
Lowest
Low
Medium
High
Critical

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

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 impactof Important. A Common Vulnerability Scoring System (CVSS) base score,which gives a detailed severity rating, is available for each vulnerabilityfrom the CVE link(s) in the References section.

Topics%20covered

Topics Covered

security advisory Red Hat security impact mailman important update CSRF issue

Relevant Releases Architectures

Red Hat Enterprise Linux Server (v. 7) - ppc64, ppc64le, s390x, x86_64

Red Hat Enterprise Linux Workstation (v. 7) - x86_64

Bugs Fixed

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

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