CVE-2017-7652

NameCVE-2017-7652
DescriptionIn Eclipse Mosquitto 1.4.14, if a Mosquitto instance is set running with a configuration file, then sending a HUP signal to server triggers the configuration to be reloaded from disk. If there are lots of clients connected so that there are no more file descriptors/sockets available (default limit typically 1024 file descriptors on Linux), then opening the configuration file will fail.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
ReferencesDLA-1334-1, DLA-1409-1, DSA-4325-1

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
mosquitto (PTS)bullseye (security), bullseye2.0.11-1+deb11u1fixed
bookworm, bookworm (security)2.0.11-1.2+deb12u1fixed
sid, trixie2.0.20-1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
mosquittosourcewheezy0.15-2+deb7u3DLA-1334-1
mosquittosourcejessie1.3.4-2+deb8u2DLA-1409-1
mosquittosourcestretch1.4.10-3+deb9u2DSA-4325-1
mosquittosource(unstable)1.4.15-1

Notes

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