CVE-2017-7650
medium
CVSS v3
6.5
CVSS v2
4.0
VIR risk
6.5
Description
In Mosquitto before 1.4.12, pattern based ACLs can be bypassed by clients that set their username/client id to '#' or '+'. This allows locally or remotely connected clients to access MQTT topics that they do have the rights to. The same issue may be present in third party authentication/access control plugins for Mosquitto.
Predictions
Exploit likelihood
75%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2017-7650
Vendor advisory: emo@eclipse.org — http://mosquitto.org/2017/05/security-advisory-cve-2017-7650/
OS impact
| OS | Version | Status | Fixed in |
|---|---|---|---|
| debian | bookworm | fixed | 1.4.10-3 |
| debian | bullseye | fixed | 1.4.10-3 |
| debian | forky | fixed | 1.4.10-3 |
| debian | sid | fixed | 1.4.10-3 |
| debian | trixie | fixed | 1.4.10-3 |
| debian | 8.0 | affected | |
Application impact
| Vendor | Product | Versions | Fixed |
|---|---|---|---|
| eclipse | mosquitto | {"endExcluding":"1.4.12"} | 1.4.12 |
References
CWEs
CWE-287
Verify integrity in audit chain (admin only). AS-IS.