CVE-2017-7651

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.

Affected

The Eclipse Foundation · Eclipse Mosquitto

CVSS v3.0 NVD

7.5 HIGHCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CVSS v2.0 NVD

5.0 MEDIUMAV:N/AC:L/Au:N/C:N/I:N/A:P

EPSS

5.12% chance of exploitation in the next 30 days, 92nd percentile

Published

2018-04-24

Updated

2024-08-05

Proof-of-concept exploits (3)

• https://bugs.eclipse.org/bugs/show_bug.cgi?id=529754
• St3v3nsS/CVE-2017-76511★ · 2022-02-21
• mukkul007/MqttAttack0★ · 2021-09-24

Security advisories

• https://mosquitto.org/blog/2018/02/security-advisory-cve-2017-7651-cve-2017-7652
• https://lists.debian.org/debian-lts-announce/2018/03/msg00037.html
• https://lists.debian.org/debian-lts-announce/2018/06/msg00016.html
• https://www.debian.org/security/2018/dsa-4325

References

• CVE Record
• NVD entry