CVE-2017-7651 Information

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.

CVSS Vector

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

Reference

https://bugs.eclipse.org/bugs/show_bug.cgi?id=529754 https://lists.debian.org/debian-lts-announce/2018/03/msg00037.html https://lists.debian.org/debian-lts-announce/2018/06/msg00016.html https://mosquitto.org/blog/2018/02/security-advisory-cve-2017-7651-cve-2017-7652/ https://www.debian.org/security/2018/dsa-4325

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

NONE

Base Score

HIGH

Base Severity

7.5