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

                               ESB-2017.1340
                          puppet security update
                                26 May 2017

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

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

Product:           puppet
Publisher:         Debian
Operating System:  Debian GNU/Linux 8
                   Linux variants
Impact/Access:     Execute Arbitrary Code/Commands -- Remote/Unauthenticated
                   Denial of Service               -- Remote/Unauthenticated
Resolution:        Patch/Upgrade
CVE Names:         CVE-2017-2295  

Original Bulletin: 
   http://www.debian.org/security/2017/dsa-3862

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

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Debian Security Advisory DSA-3862-1                   security@debian.org
https://www.debian.org/security/                       Moritz Muehlenhoff
May 25, 2017                          https://www.debian.org/security/faq
- - -------------------------------------------------------------------------

Package        : puppet
CVE ID         : CVE-2017-2295

It was discovered that unrestricted YAML deserialisation of data sent
from agents to the server in the Puppet configuration management system
could result in the execution of arbitrary code.

Note that this fix breaks backward compability with Puppet agents older
than 3.2.2 and there is no safe way to restore it. This affects puppet
agents running on Debian wheezy; we recommend to update the the
puppet version shipped in wheezy-backports.

For the stable distribution (jessie), this problem has been fixed in
version 3.7.2-4+deb8u1.

For the unstable distribution (sid), this problem has been fixed in
version 4.8.2-5.

We recommend that you upgrade your puppet packages.

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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NOTE: Third Party Rights
This security bulletin is provided as a service to AusCERT's members.  As
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NOTE: This is only the original release of the security bulletin.  It may
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===========================================================================
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
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===========================================================================
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