[USN-4406-1] Mailman vulnerability
Leonidas S. Barbosa
leo.barbosa at canonical.com
Mon Jun 29 14:50:13 UTC 2020
Ubuntu Security Notice USN-4406-1
June 29, 2020
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 18.04 LTS
- Ubuntu 16.04 LTS
Mailman could be made to inject arbitrary content in the login page if it
received a specially crafted input.
- mailman: Web-based mailing list manager (legacy branch)
It was discovered that Mailman incorrectly handled certain inputs.
An attacker could possibly use this issue to inject arbitrary content
in the login page.
The problem can be corrected by updating your system to the following
Ubuntu 18.04 LTS:
Ubuntu 16.04 LTS:
In general, a standard system update will make all the necessary changes.
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