ESB-2018.1907 - [Debian] mosquitto: Denial of service - Remote/unauthenticated 2018-07-02

Printable version
PGP/GPG verifiable version

-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA256

===========================================================================
             AUSCERT External Security Bulletin Redistribution

                               ESB-2018.1907
                       mosquitto updated in Debian 8
                                2 July 2018

===========================================================================

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

Product:           mosquitto
Publisher:         Debian
Operating System:  Debian GNU/Linux 8
Impact/Access:     Denial of Service -- Remote/Unauthenticated
Resolution:        Patch/Upgrade
CVE Names:         CVE-2017-7652 CVE-2017-7651 

Reference:         ESB-2018.0949

Original Bulletin: 
   https://lists.debian.org/debian-lts-announce/2018/06/msg00016.html

- --------------------------BEGIN INCLUDED TEXT--------------------

- -----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA512

Package        : mosquitto
Version        : 1.3.4-2+deb8u2
CVE ID         : CVE-2017-7651 CVE-2017-7652


CVE-2017-7651
      fix to avoid extraordinary memory consumption by crafted
      CONNECT packet from unauthenticated client

  CVE-2017-7652
      in case all sockets/file descriptors are exhausted, this is a
      fix to avoid default config values after reloading configuration
      by SIGHUP signal


For Debian 8 "Jessie", these problems have been fixed in version
1.3.4-2+deb8u2.

We recommend that you upgrade your mosquitto packages.

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

- -----BEGIN PGP SIGNATURE-----
Version: GnuPG v1.4.12 (GNU/Linux)

iQJ8BAEBCgBmBQJbNp+jXxSAAAAAAC4AKGlzc3Vlci1mcHJAbm90YXRpb25zLm9w
ZW5wZ3AuZmlmdGhob3JzZW1hbi5uZXQ2MjAxRkJGRkRCQkRFMDc4MjJFQUJCOTY5
NkZDQUMwRDM4N0I1ODQ3AAoJEJb8rA04e1hHzssP/3GUxVZlXjnlVfUTNGQptmIr
LR9PLwUzUgntgPpBRC7Pi2pZUc/9yqkx8CMUJf3axTqx7Rt8BfnjSDPmr9ezUFPP
TzbDIf0W4npYerFLb88OVeswHtBiMtHa/vmQ4dcmbQR8ax/Cfw0F7s1nyojAZs3x
e5I12XP5a0u1TaX8TWoJ77H0EhM2Qr1S7B4kB9QvcLgOd2rVXlRJV+NZCv4Ab/Go
OtXC5XgjKpDC1jCrDxjPz4KdjNDu0QlaRfYOJUUXPn7OTZUFoOrJvNBV1F7nP9Zi
srdn0zJZ5rQ3xk5RX6uu1c33sda7b/tZDPC/LPDAGb9CtU58oRHXHkqal55ber2I
YGKXIB3qCOS6eP6e+oWlBNDxJj3Ti7SmPqsIyYCcVfdctZesja1BCXLwuFy87V5H
AwRSuRwiu1Tt4yRxv+FE3MMlvezdWyeCaI1cSIeUtNzvNyp+LKY5VLicmc/so7UQ
/X8BtHNmEJ7yM0euHbwWCQH1qhYG61dAFYbigspb5TRJznle+PlOgQ/pDfj/Q0Bp
AqLnqh6n6oIBwrerSm6VP7pAzxIPBikPHLhDM7INJKOS6ZDVHIfPU3DKGUMu2kfc
puak4aFEzQZxc2LaQr18DGbHoAGJK23GcZ20bVh5J511lfSPemfmCkr93AS1HlSK
h3nLLSJxnMN3MGc2euHF
=u5OT
- -----END PGP SIGNATURE-----

- --------------------------END INCLUDED TEXT--------------------

You have received this e-mail bulletin as a result of your organisation's
registration with AusCERT. The mailing list you are subscribed to is
maintained within your organisation, so if you do not wish to continue
receiving these bulletins you should contact your local IT manager. If
you do not know who that is, please send an email to auscert@auscert.org.au
and we will forward your request to the appropriate person.

NOTE: Third Party Rights
This security bulletin is provided as a service to AusCERT's members.  As
AusCERT did not write the document quoted above, AusCERT has had no control
over its content. The decision to follow or act on information or advice
contained in this security bulletin is the responsibility of each user or
organisation, and should be considered in accordance with your organisation's
site policies and procedures. AusCERT takes no responsibility for consequences
which may arise from following or acting on information or advice contained in
this security bulletin.

NOTE: This is only the original release of the security bulletin.  It may
not be updated when updates to the original are made.  If downloading at
a later date, it is recommended that the bulletin is retrieved directly
from the author's website to ensure that the information is still current.

Contact information for the authors of the original document is included
in the Security Bulletin above.  If you have any questions or need further
information, please contact them directly.

Previous advisories and external security bulletins can be retrieved from:

        https://www.auscert.org.au/bulletins/

===========================================================================
Australian Computer Emergency Response Team
The University of Queensland
Brisbane
Qld 4072

Internet Email: auscert@auscert.org.au
Facsimile:      (07) 3365 7031
Telephone:      (07) 3365 4417 (International: +61 7 3365 4417)
                AusCERT personnel answer during Queensland business hours
                which are GMT+10:00 (AEST).
                On call after hours for member emergencies only.
===========================================================================
-----BEGIN PGP SIGNATURE-----
Comment: http://www.auscert.org.au/render.html?it=1967
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=o9fS
-----END PGP SIGNATURE-----

« Back to bulletins