CVE-2021-28166
Published: 7 April 2021
In Eclipse Mosquitto version 2.0.0 to 2.0.9, if an authenticated client that had connected with MQTT v5 sent a crafted CONNACK message to the broker, a NULL pointer dereference would occur.
Priority
Status
| Package | Release | Status |
|---|---|---|
|
mosquitto Launchpad, Ubuntu, Debian |
bionic |
Not vulnerable
(code not present)
|
| focal |
Not vulnerable
(code not present)
|
|
| groovy |
Ignored
(end of life)
|
|
| hirsute |
Ignored
(end of life)
|
|
| impish |
Ignored
(end of life)
|
|
| jammy |
Not vulnerable
(2.0.11-1ubuntu1)
|
|
| kinetic |
Ignored
(end of life, was needs-triage)
|
|
| lunar |
Not vulnerable
(2.0.11-1.2)
|
|
| mantic |
Not vulnerable
(2.0.18-1)
|
|
| trusty |
Not vulnerable
(code not present)
|
|
| upstream |
Released
(2.0.10)
|
|
| xenial |
Not vulnerable
(code not present)
|
|
|
Patches: upstream: https://bugs.eclipse.org/bugs/attachment.cgi?id=286040&action=diff |
||
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 6.5 |
| Attack vector | Network |
| Attack complexity | Low |
| Privileges required | Low |
| User interaction | None |
| Scope | Unchanged |
| Confidentiality | None |
| Integrity impact | None |
| Availability impact | High |
| Vector | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |