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Red Hat: RHSA-2021-4826 Critical: Mailman CSRF Security Patch Update

red hat
Calendar Grey November 23, 2021
Dist Redhat Esm H88
Canonical has issued a vital security patch for Ubuntu:20.04, tackling severe RCE vulnerabilities. Critical for developers!
An update for the mailman:2.1 module is now available for Red Hat Enterprise Linux 8

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 derived from admin password allows offline brute-force attack (CVE-2021-42096)
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 security update Red Hat security issues important fix mailman CSRF

References

https://access.redhat.com/security/cve/CVE-2021-42096 https://access.redhat.com/security/cve/CVE-2021-42097 https://access.redhat.com/security/updates/classification#important

Package List

Red Hat Enterprise Linux AppStream (v. 8):
Source: mailman-2.1.29-12.module+el8.5.0+13211+e8845b76.1.src.rpm
aarch64: mailman-2.1.29-12.module+el8.5.0+13211+e8845b76.1.aarch64.rpm mailman-debuginfo-2.1.29-12.module+el8.5.0+13211+e8845b76.1.aarch64.rpm mailman-debugsource-2.1.29-12.module+el8.5.0+13211+e8845b76.1.aarch64.rpm
ppc64le: mailman-2.1.29-12.module+el8.5.0+13211+e8845b76.1.ppc64le.rpm mailman-debuginfo-2.1.29-12.module+el8.5.0+13211+e8845b76.1.ppc64le.rpm mailman-debugsource-2.1.29-12.module+el8.5.0+13211+e8845b76.1.ppc64le.rpm
s390x: mailman-2.1.29-12.module+el8.5.0+13211+e8845b76.1.s390x.rpm mailman-debuginfo-2.1.29-12.module+el8.5.0+13211+e8845b76.1.s390x.rpm mailman-debugsource-2.1.29-12.module+el8.5.0+13211+e8845b76.1.s390x.rpm
x86_64: mailman-2.1.29-12.module+el8.5.0+13211+e8845b76.1.x86_64.rpm mailman-debuginfo-2.1.29-12.module+el8.5.0+13211+e8845b76.1.x86_64.rpm mailman-debugsource-2.1.29-12.module+el8.5.0+13211+e8845b76.1.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-2021:4826-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2021:4826
Issue date: 2021-11-23

Topic

An update for the mailman:2.1 module is now available for Red HatEnterprise Linux 8.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 security update Red Hat security issues important fix mailman CSRF

Relevant Releases Architectures

Red Hat Enterprise Linux AppStream (v. 8) - aarch64, ppc64le, s390x, x86_64

Bugs Fixed

2020568 - CVE-2021-42097 mailman: CSRF token bypass allows to perform CSRF attacks and account takeover

2020575 - CVE-2021-42096 mailman: CSRF token derived from admin password allows offline brute-force attack

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