CentOS Update for libipa_hbac CESA-2013:0663 centos6

Published: 2013-03-22 05:10:33
CVE Author: NIST National Vulnerability Database

CVSS Base Vector:

The remote host is missing an update for the 'libipa_hbac' Linux Distribution Package(s) announced via the referenced advisory.

Affected Versions:
libipa_hbac on CentOS 6

Please install the updated Linux Distribution Packages.

Technical Details:
SSSD (System Security Services Daemon) provides a set of daemons to manage access to remote directories and authentication mechanisms. It provides NSS (Name Service Switch) and PAM (Pluggable Authentication Modules) interfaces toward the system and a pluggable back end system to connect to multiple different account sources. When SSSD was configured as a Microsoft Active Directory client by using the new Active Directory provider (introduced in RHSA-2013:0508), the Simple Access Provider ('access_provider = simple in /etc/sssd/sssd.conf') did not handle access control correctly. If any groups were specified with the simple_deny_groups option (in sssd.conf), all users were permitted access. (CVE-2013-0287) The CVE-2013-0287 issue was discovered by Kaushik Banerjee of Red Hat. This update also fixes the following bugs: * If a group contained a member whose Distinguished Name (DN) pointed out of any of the configured search bases, the search request that was processing this particular group never ran to completion. To the user, this bug manifested as a long timeout between requesting the group data and receiving the result. A patch has been provided to address this bug and SSSD now processes group search requests without delays. (BZ#907362) * The pwd_expiration_warning should have been set for seven days, but instead it was set to zero for Kerberos. This incorrect zero setting returned the 'always display warning if the server sends one' error message and users experienced problems in environments like IPA or Active Directory. Currently, the value setting for Kerberos is modified and this issue no longer occurs. (BZ#914671) All users of sssd are advised to upgrade to these updated Linux Distribution Packages, which contain backported patches to correct these issues.

Detection Type:
Linux Distribution Package

Solution Type:
Vendor Patch

NIST (National Institute of Standards and Technology) NVD (National Vulnerability Database)




CVSS Score
CentOS Local Security Checks

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