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Test ID:1.3.6.1.4.1.25623.1.0.881580
Category:CentOS Local Security Checks
Title:CentOS Update for ipa-admintools CESA-2013:0188 centos6
Summary:The remote host is missing an update for the 'ipa-admintools'; package(s) announced via the referenced advisory.
Description:Summary:
The remote host is missing an update for the 'ipa-admintools'
package(s) announced via the referenced advisory.

Vulnerability Insight:
Red Hat Identity Management is a centralized authentication, identity
management and authorization solution for both traditional and cloud-based
enterprise environments.

A weakness was found in the way IPA clients communicated with IPA servers
when initially attempting to join IPA domains. As there was no secure way
to provide the IPA server's Certificate Authority (CA) certificate to the
client during a join, the IPA client enrollment process was susceptible to
man-in-the-middle attacks. This flaw could allow an attacker to obtain
access to the IPA server using the credentials provided by an IPA client,
including administrative access to the entire domain if the join was
performed using an administrator's credentials. (CVE-2012-5484)

Note: This weakness was only exposed during the initial client join to the
realm, because the IPA client did not yet have the CA certificate of the
server. Once an IPA client has joined the realm and has obtained the CA
certificate of the IPA server, all further communication is secure. If a
client were using the OTP (one-time password) method to join to the realm,
an attacker could only obtain unprivileged access to the server (enough to
only join the realm).

Red Hat would like to thank Petr Menk for reporting this issue.

This update must be installed on both the IPA client and IPA server. When
this update has been applied to the client but not the server,
ipa-client-install, in unattended mode, will fail if you do not have the
correct CA certificate locally, noting that you must use the '--force'
option to insecurely obtain the certificate. In interactive mode, the
certificate will try to be obtained securely from LDAP. If this fails, you
will be prompted to insecurely download the certificate via HTTP. In the
same situation when using OTP, LDAP will not be queried and you will be
prompted to insecurely download the certificate via HTTP.

Users of ipa are advised to upgrade to these updated packages, which
correct this issue. After installing the update, changes in LDAP are
handled by ipa-ldap-updater automatically and are effective immediately.

Affected Software/OS:
ipa-admintools on CentOS 6

Solution:
Please install the updated packages.

CVSS Score:
7.9

CVSS Vector:
AV:A/AC:M/Au:N/C:C/I:C/A:C

Cross-Ref: Common Vulnerability Exposure (CVE) ID: CVE-2012-5484
RHSA-2013:0188
http://rhn.redhat.com/errata/RHSA-2013-0188.html
RHSA-2013:0189
http://rhn.redhat.com/errata/RHSA-2013-0189.html
http://git.fedorahosted.org/cgit/freeipa.git/commit/?id=18eea90ebb24a9c22248f0b7e18646cc6e3e3e0f
http://git.fedorahosted.org/cgit/freeipa.git/commit/?id=31e41eea6c2322689826e6065ceba82551c565aa
http://git.fedorahosted.org/cgit/freeipa.git/commit/?id=91f4af7e6af53e1c6bf17ed36cb2161863eddae4
http://git.fedorahosted.org/cgit/freeipa.git/commit/?id=a1991aeac19c3fec1fdd0d184c6760c90c9f9fc9
http://git.fedorahosted.org/cgit/freeipa.git/commit/?id=a40285c5a0288669b72f9d991508d4405885bffc
http://www.freeipa.org/page/CVE-2012-5484
http://www.freeipa.org/page/Releases/3.1.2
CopyrightCopyright (C) 2013 Greenbone AG

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