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AUSCERT Security Bulletin
ASB-2014.0026
CVE-2013-4966 (Master external node classification script vulnerable to
console impersonation) and CVE-2013-4971 (Unauthenticated
access to node endpoints could cause data leakage)
13 March 2014
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AusCERT Security Bulletin Summary
---------------------------------
Product: Puppet
Operating System: UNIX variants (UNIX, Linux, OSX)
Impact/Access: Access Confidential Data -- Remote/Unauthenticated
Modify Arbitrary Files -- Remote/Unauthenticated
Resolution: Patch/Upgrade
CVE Names: CVE-2013-4971 CVE-2013-4966
Member content until: Friday, April 11 2014
OVERVIEW
Multiple vulnerabilities have been identified in Puppet Enterprise
prior to version 3.2.0 [1 - 2]
IMPACT
The vendor has provided the following details regarding two
vulnerabilities:
"CVE-2013-4966 (Master external node classification script vulnerable
to console impersonation)
* Posted March 4, 2014
* Assessed Risk Level: Medium
The script that the PE master used to contact the PE console for node
classification did not verify the identity of the console. This
introduced a vulnerability in which an attacker could impersonate the
console and submit malicious classification to the master." [1]
"CVE-2013-4971 (Unauthenticated access to node endpoints could cause
data leakage)
* Posted March 4, 2014
* Assessed Risk Level: Medium
Unauthenticated read access to the node endpoint in the console could
result in information leakage in PE versions earlier than 3.2." [2]
MITIGATION
The vendor recommends updating to the latest versions of Puppet
Enterprise to correct these issues. [1, 2]
REFERENCES
[1] CVE-2013-4966
http://puppetlabs.com/security/cve/cve-2013-4966
[2] CVE-2013-4971
http://puppetlabs.com/security/cve/cve-2013-4971
AusCERT has made every effort to ensure that the information contained
in this document is accurate. However, the decision to use the information
described is the responsibility of each user or organisation. 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.
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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
which are GMT+10:00 (AEST).
On call after hours for member emergencies only.
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