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, Mageia, GitHub code/issues, web search, more)
ReferencesDLA-961-1, DSA-3865-1
NVD severitymedium (attack range: remote)

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
mosquitto (PTS)wheezy0.15-2vulnerable
wheezy (security)0.15-2+deb7u1fixed
jessie (security), jessie1.3.4-2+deb8u1fixed
buster, sid, stretch1.4.10-3fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
mosquittosource(unstable)1.4.10-3medium
mosquittosourcejessie1.3.4-2+deb8u1mediumDSA-3865-1
mosquittosourcewheezy0.15-2+deb7u1mediumDLA-961-1

Notes

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

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