CVE-2017-7653

NameCVE-2017-7653
DescriptionThe Eclipse Mosquitto broker up to version 1.4.15 does not reject strings that are not valid UTF-8. A malicious client could cause other clients that do reject invalid UTF-8 strings to disconnect themselves from the broker by sending a topic string which is not valid UTF-8, and so cause a denial of service for the clients.
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-1525-1
NVD severitylow (attack range: remote)
Debian Bugs911266

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
mosquitto (PTS)jessie1.3.4-2+deb8u1vulnerable
jessie (security)1.3.4-2+deb8u3fixed
stretch1.4.10-3+deb9u1vulnerable
buster, sid1.4.15-2vulnerable

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
mosquittosource(unstable)(unfixed)low911266
mosquittosourcejessie1.3.4-2+deb8u3lowDLA-1525-1

Notes

https://bugs.eclipse.org/bugs/show_bug.cgi?id=532113
https://github.com/eclipse/mosquitto/commit/729a09310a7a56fbe5933b70b4588049da1a42b4

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