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.
{
"binaries": [
{
"binary_version": "1:2.1.29-1ubuntu3.1+esm2",
"binary_name": "mailman"
}
],
"availability": "Available with Ubuntu Pro: https://ubuntu.com/pro"
}
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8067-1.json"
{
"cves": [
{
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
"type": "CVSS_V3"
},
{
"score": "medium",
"type": "Ubuntu"
}
],
"id": "CVE-2021-44227"
}
],
"ecosystem": "Ubuntu:Pro:20.04:LTS"
}