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Ubuntu 18.04 LTS USN-5180-1 Critical: Mailman CSRF Issue

ubuntu
Calendar Grey December 7, 2021
Dist Ubuntu Esm H88
Urgent patch issued for Mailman on Ubuntu 20.04 LTS, addressing severe risks of XSS exploits.
A system hardening measure could be bypassed.

Summary

A system hardening measure could be bypassed.

Software Description:

- mailman: Web-based mailing list manager

Details:

It was discovered that Mailman incorrectly handled CSRF tokens. A remote

list member or moderator could possibly use their own token to craft an

admin request CSRF attack and set a new admin password or make other

changes.

Topics%20covered

Topics Covered

security advisory critical Ubuntu attack system update mailman CSRF

Update Instructions

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 18.04 LTS:
  mailman                         1:2.1.26-1ubuntu0.6

In general, a standard system update will make all the necessary changes.

References

https://ubuntu.com/security/notices/USN-5180-1

CVE-2021-44227

Severity
critical
Lowest
Low
Medium
High
Critical

December 07, 2021

Topics%20covered

Topics Covered

security advisory critical Ubuntu attack system update mailman CSRF

Package Information

https://launchpad.net/ubuntu/+source/mailman/1:2.1.26-1ubuntu0.6

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