CVE-2017-7650

NameCVE-2017-7650
DescriptionIn 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.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub code/issues, web search, more)
ReferencesDLA-961-1, DSA-3865-1
NVD severitymedium

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
mosquitto (PTS)stretch1.4.10-3+deb9u4fixed
stretch (security)1.4.10-3+deb9u5fixed
buster, buster (security)1.5.7-1+deb10u1fixed
bookworm, bullseye, sid2.0.11-1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
mosquittosourcewheezy0.15-2+deb7u1DLA-961-1
mosquittosourcejessie1.3.4-2+deb8u1DSA-3865-1
mosquittosource(unstable)1.4.10-3

Notes

http://mosquitto.org/2017/05/security-advisory-cve-2017-7650/
Patches: https://mosquitto.org/files/cve/2017-7650/

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