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Test ID:1.3.6.1.4.1.25623.1.0.840783
Category:Ubuntu Local Security Checks
Title:Ubuntu: Security Advisory (USN-1238-1)
Summary:The remote host is missing an update for the 'puppet' package(s) announced via the USN-1238-1 advisory.
Description:Summary:
The remote host is missing an update for the 'puppet' package(s) announced via the USN-1238-1 advisory.

Vulnerability Insight:
It was discovered that Puppet incorrectly handled the non-default
'certdnsnames' option when generating certificates. If this setting was
added to puppet.conf, the puppet primary server's DNS alt names were added
to the X.509 Subject Alternative Name field of all certificates, not just
the puppet primary server's certificate. An attacker that has an incorrect
agent certificate in his possession can use it to impersonate the puppet
primary server in a machine-in-the-middle attack.

Affected Software/OS:
'puppet' package(s) on Ubuntu 10.04, Ubuntu 10.10, Ubuntu 11.04, Ubuntu 11.10.

Solution:
Please install the updated package(s).

CVSS Score:
2.6

CVSS Vector:
AV:N/AC:H/Au:N/C:N/I:P/A:N

Cross-Ref: Common Vulnerability Exposure (CVE) ID: CVE-2011-3872
BugTraq ID: 50356
http://www.securityfocus.com/bid/50356
http://secunia.com/advisories/46550
http://secunia.com/advisories/46578
http://secunia.com/advisories/46934
http://secunia.com/advisories/46964
http://www.ubuntu.com/usn/USN-1238-1
http://www.ubuntu.com/usn/USN-1238-2
XForce ISS Database: puppet-x509-spoofing(70970)
https://exchange.xforce.ibmcloud.com/vulnerabilities/70970
CopyrightCopyright (C) 2011 Greenbone AG

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