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Sicherheit: Ausführen beliebiger Kommandos in Puppet
Aktuelle Meldungen Distributionen
Name: Ausführen beliebiger Kommandos in Puppet
ID: SUSE-SU-2017:2113-1
Distribution: SUSE
Plattformen: SUSE Linux Enterprise Desktop 12-SP2, SUSE Linux Enterprise Desktop 12-SP3, SUSE Linux Enterprise Module for Advanced Systems Management 12
Datum: Mi, 9. August 2017, 15:56
Referenzen: http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-2295

Originalnachricht

   SUSE Security Update: Security update for puppet
______________________________________________________________________________

Announcement ID: SUSE-SU-2017:2113-1
Rating: important
References: #1040151
Cross-References: CVE-2017-2295
Affected Products:
SUSE Linux Enterprise Module for Advanced Systems
Management 12
SUSE Linux Enterprise Desktop 12-SP3
SUSE Linux Enterprise Desktop 12-SP2
______________________________________________________________________________

An update that fixes one vulnerability is now available.

Description:

This update for puppet fixes the following issues:

Security issue fixed:
- CVE-2017-2295: Possible code execution vulnerability where an attacker
could force YAML deserialization in an unsafe manner. In default, this
update breaks a backwards compatibility with Puppet agents older than
3.2.2 as the SLE12 master doesn't support other fact formats than pson
in default anymore. In order to allow users to continue using their
SLE12 master/SLE11 agents setup and fix CVE-2017-2295 for the others, a
new puppet master boolean option "dangerous_fact_formats" was
added.
When it's set to true it enables using dangerous fact formats (e.g.
YAML). When it's set to false, only PSON fact format is accepted.
(bsc#1040151)


Patch Instructions:

To install this SUSE Security Update use YaST online_update.
Alternatively you can run the command listed for your product:

- SUSE Linux Enterprise Module for Advanced Systems Management 12:

zypper in -t patch SUSE-SLE-Module-Adv-Systems-Management-12-2017-1310=1

- SUSE Linux Enterprise Desktop 12-SP3:

zypper in -t patch SUSE-SLE-DESKTOP-12-SP3-2017-1310=1

- SUSE Linux Enterprise Desktop 12-SP2:

zypper in -t patch SUSE-SLE-DESKTOP-12-SP2-2017-1310=1

To bring your system up-to-date, use "zypper patch".


Package List:

- SUSE Linux Enterprise Module for Advanced Systems Management 12 (ppc64le
s390x x86_64):

puppet-3.8.5-15.3.3
puppet-server-3.8.5-15.3.3

- SUSE Linux Enterprise Desktop 12-SP3 (x86_64):

puppet-3.8.5-15.3.3

- SUSE Linux Enterprise Desktop 12-SP2 (x86_64):

puppet-3.8.5-15.3.3


References:

https://www.suse.com/security/cve/CVE-2017-2295.html
https://bugzilla.suse.com/1040151

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