==========================================================================
Ubuntu Security Notice USN-4354-1
May 11, 2020
mailman vulnerability
==========================================================================
A security issue affects these releases of Ubuntu and its derivatives:
– Ubuntu 18.04 LTS
– Ubuntu 16.04 LTS
Summary:
Mailman could be made to inject arbitrary content in the login page
if it received a specially crafted input.
Software Description:
– mailman: Web-based mailing list manager (legacy branch)
Details:
It was discovered that Mailman incorrectly handled certain inputs.
An attacker could possibly use this issue to inject arbitrary content
in the login page.
Update instructions:
The problem can be corrected by updating your system to the following
package versions:
Ubuntu 18.04 LTS:
mailman 1:2.1.26-1ubuntu0.2
Ubuntu 16.04 LTS:
mailman 1:2.1.20-1ubuntu0.5
In general, a standard system update will make all the necessary changes.
References:
https://usn.ubuntu.com/4354-1
CVE-2020-12108
Package Information:
https://launchpad.net/ubuntu/+source/mailman/1:2.1.26-1ubuntu0.2
https://launchpad.net/ubuntu/+source/mailman/1:2.1.20-1ubuntu0.5
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