CVE-2017-7653
mosquitto - security update
5.3
MEDIUM
CVSS 3.1
EPSS 0.93%
Description
The Eclipse Mosquitto broker up to version 1.4.15 does not reject strings that are not valid UTF-8. A malicious client could cause other clients that do reject invalid UTF-8 strings to disconnect themselves from the broker by sending a topic string which is not valid UTF-8, and so cause a denial of service for the clients.
How to fix CVE-2017-7653
To remediate CVE-2017-7653, upgrade the affected package to a fixed version below.
- —upgrade to 1.5.4-1 or later
- —upgrade to 1.3.4-2+deb8u3 or later
Is CVE-2017-7653 being exploited?
Low — EPSS is 0.9%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0, < 1.5.4-1
- from 0, < 1.3.4-2+deb8u3
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM5.3 | CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H |