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Red Hat: RHSA-2021-5081 Important: Mailman CSRF Issue Exploited

red hat
Calendar Grey December 13, 2021
Dist Redhat Esm H88
Fedora Linux reveals a crucial Postfix upgrade tackling XSS vulnerabilities. Secure your servers today!
An update for the mailman:2.1 module is now available for Red Hat Enterprise Linux 8.1 Update Services for SAP Solutions

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 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.

Topics%20covered

Topics Covered

security advisory Red Hat Enterprise Linux mailman CSRF fix Important update

References

https://access.redhat.com/security/cve/CVE-2021-44227 https://access.redhat.com/security/updates/classification#important

Package List

Red Hat Enterprise Linux AppStream E4S (v. 8.1):
Source: mailman-2.1.29-5.module+el8.1.0+13542+e9b93c88.src.rpm
ppc64le: mailman-2.1.29-5.module+el8.1.0+13542+e9b93c88.ppc64le.rpm mailman-debuginfo-2.1.29-5.module+el8.1.0+13542+e9b93c88.ppc64le.rpm mailman-debugsource-2.1.29-5.module+el8.1.0+13542+e9b93c88.ppc64le.rpm
x86_64: mailman-2.1.29-5.module+el8.1.0+13542+e9b93c88.x86_64.rpm mailman-debuginfo-2.1.29-5.module+el8.1.0+13542+e9b93c88.x86_64.rpm mailman-debugsource-2.1.29-5.module+el8.1.0+13542+e9b93c88.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-2021:5081-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2021:5081
Issue date: 2021-12-13

Topic

An update for the mailman:2.1 module is now available for Red HatEnterprise Linux 8.1 Update Services for SAP Solutions.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 Enterprise Linux mailman CSRF fix Important update

Relevant Releases Architectures

Red Hat Enterprise Linux AppStream E4S (v. 8.1) - ppc64le, x86_64

Bugs Fixed

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

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