ESB-2019.0409 - [UNIX/Linux][Debian] mosquitto: Multiple vulnerabilities 2019-02-11

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             AUSCERT External Security Bulletin Redistribution

                               ESB-2019.0409
                         mosquitto security update
                             11 February 2019

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        AusCERT Security Bulletin Summary
        ---------------------------------

Product:           mosquitto
Publisher:         Debian
Operating System:  Debian GNU/Linux 9
                   UNIX variants (UNIX, Linux, OSX)
Impact/Access:     Denial of Service        -- Existing Account
                   Access Confidential Data -- Existing Account
                   Unauthorised Access      -- Existing Account
Resolution:        Patch/Upgrade
CVE Names:         CVE-2018-12551 CVE-2018-12550 CVE-2018-12546

Original Bulletin: 
   http://www.debian.org/security/2019/dsa-4388

Comment: This advisory references vulnerabilities in products which run on 
         platforms other than Debian. It is recommended that administrators 
         running mosquitto check for an updated version of the software for 
         their operating system.

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- - -------------------------------------------------------------------------
Debian Security Advisory DSA-4388-1                   security@debian.org
https://www.debian.org/security/                       Moritz Muehlenhoff
February 10, 2019                     https://www.debian.org/security/faq
- - -------------------------------------------------------------------------

Package        : mosquitto
CVE ID         : CVE-2018-12546 CVE-2018-12550 CVE-2018-12551

Three vulnerabilities were discovered in the Mosquitto MQTT broker, which
could result in authentication bypass. Please refer to
https://mosquitto.org/blog/2019/02/version-1-5-6-released/ for additional
information.

For the stable distribution (stretch), these problems have been fixed in
version 1.4.10-3+deb9u3.

We recommend that you upgrade your mosquitto packages.

For the detailed security status of mosquitto please refer to
its security tracker page at:
https://security-tracker.debian.org/tracker/mosquitto

Further information about Debian Security Advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://www.debian.org/security/

Mailing list: debian-security-announce@lists.debian.org
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