CVE-2018-12550
Published: 27 March 2019
When Eclipse Mosquitto version 1.0 to 1.5.5 (inclusive) is configured to use an ACL file, and that ACL file is empty, or contains only comments or blank lines, then Mosquitto will treat this as though no ACL file has been defined and use a default allow policy. The new behaviour is to have an empty ACL file mean that all access is denied, which is not a useful configuration but is not unexpected.
Notes
| Author | Note |
|---|---|
| ebarretto | mosquitto's version on Trusty is EOL. |
Priority
Status
| Package | Release | Status |
|---|---|---|
|
mosquitto Launchpad, Ubuntu, Debian |
bionic |
Released
(1.4.15-2ubuntu0.18.04.1)
|
| cosmic |
Released
(1.4.15-2ubuntu0.18.10.1)
|
|
| disco |
Not vulnerable
(1.5.6-1)
|
|
| eoan |
Not vulnerable
(1.5.6-1)
|
|
| focal |
Not vulnerable
(1.5.6-1)
|
|
| groovy |
Not vulnerable
(1.5.6-1)
|
|
| hirsute |
Not vulnerable
(1.5.6-1)
|
|
| impish |
Not vulnerable
(1.5.6-1)
|
|
| jammy |
Not vulnerable
(1.5.6-1)
|
|
| kinetic |
Not vulnerable
(1.5.6-1)
|
|
| lunar |
Not vulnerable
(1.5.6-1)
|
|
| mantic |
Not vulnerable
(1.5.6-1)
|
|
| trusty |
Needed
|
|
| upstream |
Released
(1.5.6)
|
|
| xenial |
Released
(1.4.8-1ubuntu0.16.04.5)
|
|
|
Patches: upstream: https://mosquitto.org/files/cve/2018-12550/ |
||
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 8.1 |
| Attack vector | Network |
| Attack complexity | High |
| Privileges required | None |
| User interaction | None |
| Scope | Unchanged |
| Confidentiality | High |
| Integrity impact | High |
| Availability impact | High |
| Vector | CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H |