Back Linuxsecurity Ubuntu 20.04 Mailman Notable CSRF Bypass Flaw USN-8067
A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 20.04 LTS - Ubuntu 16.04 LTS 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.
A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 20.04 LTS - Ubuntu 16.04 LTS 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.
The problem can be corrected by updating your system to the following package versions: Ubuntu 20.04 LTS mailman 1:2.1.29-1ubuntu3.1+esm2 Available with Ubuntu Pro Ubuntu 16.04 LTS mailman 1:2.1.20-1ubuntu0.6+esm3 Available with Ubuntu Pro In general, a standard system update will make all the necessary changes.
The problem can be corrected by updating your system to the following package versions: Ubuntu 20.04 LTS mailman 1:2.1.29-1ubuntu3.1+esm2 Available with Ubuntu Pro Ubuntu 16.04 LTS mailman 1:2.1.20-1ubuntu0.6+esm3 Available with Ubuntu Pro In general, a standard system update will make all the necessary changes.
The full story
This article is one source in a clustered incident — the cluster page carries the summary, timeline and every other outlet covering it.
