[USN-5180-1] Mailman vulnerability
marc.deslauriers at canonical.com
Tue Dec 7 19:23:12 UTC 2021
Ubuntu Security Notice USN-5180-1
December 07, 2021
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 18.04 LTS
A system hardening measure could be bypassed.
- mailman: Web-based mailing list manager
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
The problem can be corrected by updating your system to the following
Ubuntu 18.04 LTS:
In general, a standard system update will make all the necessary changes.
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