It was discovered that RabbitMQ incorrectly handled MQTT (MQ Telemetry Transport) authentication. A remote attacker could use this issue to authenticate successfully with an existing username by omitting the password.
{
"availability": "No subscription required",
"binaries": [
{
"binary_version": "3.2.4-1ubuntu0.1",
"binary_name": "rabbitmq-server"
}
]
}
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-3374-1.json"
{
"cves": [
{
"severity": [
{
"score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
"type": "CVSS_V3"
},
{
"score": "high",
"type": "Ubuntu"
}
],
"id": "CVE-2016-9877"
}
],
"ecosystem": "Ubuntu:14.04:LTS"
}
{
"availability": "No subscription required",
"binaries": [
{
"binary_version": "3.5.7-1ubuntu0.16.04.2",
"binary_name": "rabbitmq-server"
}
]
}
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-3374-1.json"
{
"cves": [
{
"severity": [
{
"score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
"type": "CVSS_V3"
},
{
"score": "high",
"type": "Ubuntu"
}
],
"id": "CVE-2016-9877"
}
],
"ecosystem": "Ubuntu:16.04:LTS"
}