CVE-2017-7651
mosquitto - security update
7.5
HIGH
CVSS 3.1
EPSS 23.1%
Description
In Eclipse Mosquitto 1.4.14, a user can shutdown the Mosquitto server simply by filling the RAM memory with a lot of connections with large payload. This can be done without authentications if occur in connection phase of MQTT protocol.
How to fix CVE-2017-7651
To remediate CVE-2017-7651, upgrade the affected package to a fixed version below.
- Alpine/mosquitto—upgrade to 1.4.15-r0 or later
- —upgrade to 1.4.15-1 or later
- —upgrade to 0.15-2+deb7u3 or later
- —upgrade to 1.3.4-2+deb8u2 or later
- —upgrade to 1.4.10-3+deb9u2 or later
Is CVE-2017-7651 being exploited?
Moderate — EPSS is 23.1%. Track this CVE but it's not at the top of the prioritisation list.
Affected packages (5)
- from 0, < 1.4.15-r0
- from 0, < 1.4.15-1
- from 0, < 0.15-2+deb7u3
- from 0, < 1.3.4-2+deb8u2
- from 0, < 1.4.10-3+deb9u2
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.5 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |