USN-4348-1: Mailman vulnerabilities

29 April 2020

Several security issues were fixed in Mailman.

Releases

Packages

  • mailman - Powerful, web-based mailing list manager
  • mailman - Web-based mailing list manager (legacy branch)

Details

It was discovered that Mailman incorrectly handled certain inputs.
An attacker could possibly use this to issue execute arbitrary scripts
or HTML. (CVE-2018-0618)

It was discovered that Mailman incorrectly handled certain inputs.
An attacker could possibly use this issue to display arbitrary text
on a web page. (CVE-2018-13796)

It was discovered that Mailman incorrectly handled certain files.
An attacker could possibly use this issue to execute arbitrary code.
(CVE-2020-12137)

Update instructions

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

Ubuntu 18.04
Ubuntu 16.04

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