CVE-2017-7651

Name	CVE-2017-7651
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.
Source	CVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub advisories/code/issues, web search, more)
References	DLA-1334-1, DLA-1409-1, DSA-4325-1

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
mosquitto (PTS)	buster, buster (security)	1.5.7-1+deb10u1	fixed
	bullseye	2.0.11-1	fixed
	bookworm, sid	2.0.11-1.2	fixed

The information below is based on the following data on fixed versions.

Package	Type	Release	Fixed Version	Origin
mosquitto	source	wheezy	0.15-2+deb7u3	DLA-1334-1
mosquitto	source	jessie	1.3.4-2+deb8u2	DLA-1409-1
mosquitto	source	stretch	1.4.10-3+deb9u2	DSA-4325-1
mosquitto	source	(unstable)	1.4.15-1

Patches: https://mosquitto.org/files/cve/2017-7651
http://mosquitto.org/blog/2018/02/security-advisory-cve-2017-7651-cve-2017-7652/