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Test ID:1.3.6.1.4.1.25623.1.0.882954
Category:CentOS Local Security Checks
Title:CentOS Update for 389-ds-base CESA-2018:2757 centos7
Summary:Check the version of 389-ds-base
Description:Summary:
Check the version of 389-ds-base

Vulnerability Insight:
389 Directory Server is an LDAP version 3
(LDAPv3) compliant server. The base packages include the Lightweight Directory
Access Protocol (LDAP) server and command-line utilities for server administration.

Security Fix(es):

* 389-ds-base: race condition on reference counter leads to DoS using
persistent search (CVE-2018-10850)

* 389-ds-base: ldapsearch with server side sort allows users to cause a
crash (CVE-2018-10935)

* 389-ds-base: Server crash through modify command with large DN
(CVE-2018-14624)

* 389-ds-base: Crash in delete_passwdPolicy when persistent search
connections are terminated unexpectedly (CVE-2018-14638)

For more details about the security issue(s), including the impact, a CVSS
score, and other related information, refer to the CVE page(s) listed in
the References section.

The CVE-2018-10850 issue was discovered by Thierry Bordaz (Red Hat) and the
CVE-2018-14638 issue was discovered by Viktor Ashirov (Red Hat).

Bug Fix(es):

* Previously, the nucn-stans framework was enabled by default in Directory
Server, but the framework is not stable. As a consequence, deadlocks and
file descriptor leaks could occur. This update changes the default value of
the nsslapd-enable-nunc-stans parameter to 'off'. As a result, Directory
Server is now stable. (BZ#1614836)

* When a search evaluates the 'shadowAccount' entry, Directory Server adds
the shadow attributes to the entry. If the fine-grained password policy is
enabled, the 'shadowAccount' entry can contain its own 'pwdpolicysubentry'
policy attribute. Previously, to retrieve this attribute, the server
started an internal search for each 'shadowAccount' entry, which was
unnecessary because the entry was already known to the server. With this
update, Directory Server only starts internal searches if the entry is not
known. As a result, the performance of searches, such as response time and
throughput, is improved. (BZ#1615924)


Affected Software/OS:
389-ds-base on CentOS 7

Solution:
Please install the updated packages.

CVSS Score:
7.1

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

Cross-Ref: Common Vulnerability Exposure (CVE) ID: CVE-2018-10850
Common Vulnerability Exposure (CVE) ID: CVE-2018-10935
Common Vulnerability Exposure (CVE) ID: CVE-2018-14624
Common Vulnerability Exposure (CVE) ID: CVE-2018-14638
CopyrightCopyright (C) 2018 Greenbone Networks GmbH

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