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Red Hat Security Advisory 2018-0414-01

Red Hat Security Advisory 2018-0414-01
Posted Mar 6, 2018
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2018-0414-01 - 389 Directory Server is an LDAP version 3 compliant server. The base packages include the Lightweight Directory Access Protocol server and command-line utilities for server administration. Security Fix: 389-ds-base: remote Denial of Service via search filters in SetUnicodeStringFromUTF_8 in collate.c 389-ds-base: Authentication bypass due to lack of size check in slapi_ct_memcmp function in ch_malloc.c.

tags | advisory, remote, denial of service, protocol
systems | linux, redhat
advisories | CVE-2017-15135, CVE-2018-1054
MD5 | 6911139227365a53604641748be0ba4f

Red Hat Security Advisory 2018-0414-01

Change Mirror Download
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=====================================================================
Red Hat Security Advisory

Synopsis: Important: 389-ds-base security and bug fix update
Advisory ID: RHSA-2018:0414-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2018:0414
Issue date: 2018-03-06
CVE Names: CVE-2017-15135 CVE-2018-1054
=====================================================================

1. Summary:

An update for 389-ds-base is now available for Red Hat Enterprise Linux 7.

Red Hat Product Security has rated this update as having a security impact
of Important. A Common Vulnerability Scoring System (CVSS) base score,
which gives a detailed severity rating, is available for each vulnerability
from the CVE link(s) in the References section.

2. Relevant releases/architectures:

Red Hat Enterprise Linux Client Optional (v. 7) - x86_64
Red Hat Enterprise Linux ComputeNode Optional (v. 7) - x86_64
Red Hat Enterprise Linux Server (v. 7) - ppc64le, x86_64
Red Hat Enterprise Linux Server Optional (v. 7) - ppc64, ppc64le, s390x, x86_64
Red Hat Enterprise Linux Workstation (v. 7) - x86_64
Red Hat Enterprise Linux Workstation Optional (v. 7) - x86_64
Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server (v. 7) - aarch64, ppc64le
Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server Optional (v. 7) - aarch64, ppc64le

3. Description:

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: remote Denial of Service (DoS) via search filters in
SetUnicodeStringFromUTF_8 in collate.c (CVE-2018-1054)

* 389-ds-base: Authentication bypass due to lack of size check in
slapi_ct_memcmp function in ch_malloc.c (CVE-2017-15135)

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-2017-15135 issue was discovered by Martin Poole (Red Hat).

Bug Fix(es):

* Previously, if an administrator configured an index for an attribute with
a specific matching rule in the "nsMatchingRule" parameter, Directory
Server did not use the retrieved indexer. As a consequence, Directory
Server did not index the values of this attribute with the specified
matching rules, and searches with extended filters were unindexed. With
this update, Directory Server uses the retrieved indexer that processes the
specified matching rule. As a result, searches using extended filters with
a specified matching rule are now indexed. (BZ#1536343)

4. Solution:

For details on how to apply this update, which includes the changes
described in this advisory, refer to:

https://access.redhat.com/articles/11258

After installing this update, the 389 server service will be restarted
automatically.

5. Bugs fixed (https://bugzilla.redhat.com/):

1525628 - CVE-2017-15135 389-ds-base: Authentication bypass due to lack of size check in slapi_ct_memcmp function in ch_malloc.c
1536343 - Indexing of internationalized matching rules is failing [rhel-7.4.z]
1537314 - CVE-2018-1054 389-ds-base: remote Denial of Service (DoS) via search filters in SetUnicodeStringFromUTF_8 in collate.c

6. Package List:

Red Hat Enterprise Linux Client Optional (v. 7):

Source:
389-ds-base-1.3.6.1-28.el7_4.src.rpm

x86_64:
389-ds-base-1.3.6.1-28.el7_4.x86_64.rpm
389-ds-base-debuginfo-1.3.6.1-28.el7_4.x86_64.rpm
389-ds-base-devel-1.3.6.1-28.el7_4.x86_64.rpm
389-ds-base-libs-1.3.6.1-28.el7_4.x86_64.rpm
389-ds-base-snmp-1.3.6.1-28.el7_4.x86_64.rpm

Red Hat Enterprise Linux ComputeNode Optional (v. 7):

Source:
389-ds-base-1.3.6.1-28.el7_4.src.rpm

x86_64:
389-ds-base-1.3.6.1-28.el7_4.x86_64.rpm
389-ds-base-debuginfo-1.3.6.1-28.el7_4.x86_64.rpm
389-ds-base-devel-1.3.6.1-28.el7_4.x86_64.rpm
389-ds-base-libs-1.3.6.1-28.el7_4.x86_64.rpm
389-ds-base-snmp-1.3.6.1-28.el7_4.x86_64.rpm

Red Hat Enterprise Linux Server (v. 7):

Source:
389-ds-base-1.3.6.1-28.el7_4.src.rpm

ppc64le:
389-ds-base-1.3.6.1-28.el7_4.ppc64le.rpm
389-ds-base-debuginfo-1.3.6.1-28.el7_4.ppc64le.rpm
389-ds-base-libs-1.3.6.1-28.el7_4.ppc64le.rpm

x86_64:
389-ds-base-1.3.6.1-28.el7_4.x86_64.rpm
389-ds-base-debuginfo-1.3.6.1-28.el7_4.x86_64.rpm
389-ds-base-libs-1.3.6.1-28.el7_4.x86_64.rpm

Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server (v. 7):

Source:
389-ds-base-1.3.6.1-28.el7_4.src.rpm

aarch64:
389-ds-base-1.3.6.1-28.el7_4.aarch64.rpm
389-ds-base-debuginfo-1.3.6.1-28.el7_4.aarch64.rpm
389-ds-base-libs-1.3.6.1-28.el7_4.aarch64.rpm

ppc64le:
389-ds-base-1.3.6.1-28.el7_4.ppc64le.rpm
389-ds-base-debuginfo-1.3.6.1-28.el7_4.ppc64le.rpm
389-ds-base-libs-1.3.6.1-28.el7_4.ppc64le.rpm

Red Hat Enterprise Linux Server Optional (v. 7):

Source:
389-ds-base-1.3.6.1-28.el7_4.src.rpm

ppc64:
389-ds-base-1.3.6.1-28.el7_4.ppc64.rpm
389-ds-base-debuginfo-1.3.6.1-28.el7_4.ppc64.rpm
389-ds-base-devel-1.3.6.1-28.el7_4.ppc64.rpm
389-ds-base-libs-1.3.6.1-28.el7_4.ppc64.rpm
389-ds-base-snmp-1.3.6.1-28.el7_4.ppc64.rpm

ppc64le:
389-ds-base-debuginfo-1.3.6.1-28.el7_4.ppc64le.rpm
389-ds-base-devel-1.3.6.1-28.el7_4.ppc64le.rpm
389-ds-base-snmp-1.3.6.1-28.el7_4.ppc64le.rpm

s390x:
389-ds-base-1.3.6.1-28.el7_4.s390x.rpm
389-ds-base-debuginfo-1.3.6.1-28.el7_4.s390x.rpm
389-ds-base-devel-1.3.6.1-28.el7_4.s390x.rpm
389-ds-base-libs-1.3.6.1-28.el7_4.s390x.rpm
389-ds-base-snmp-1.3.6.1-28.el7_4.s390x.rpm

x86_64:
389-ds-base-debuginfo-1.3.6.1-28.el7_4.x86_64.rpm
389-ds-base-devel-1.3.6.1-28.el7_4.x86_64.rpm
389-ds-base-snmp-1.3.6.1-28.el7_4.x86_64.rpm

Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server Optional (v. 7):

Source:
389-ds-base-1.3.6.1-28.el7_4.src.rpm

aarch64:
389-ds-base-debuginfo-1.3.6.1-28.el7_4.aarch64.rpm
389-ds-base-devel-1.3.6.1-28.el7_4.aarch64.rpm
389-ds-base-snmp-1.3.6.1-28.el7_4.aarch64.rpm

ppc64le:
389-ds-base-debuginfo-1.3.6.1-28.el7_4.ppc64le.rpm
389-ds-base-devel-1.3.6.1-28.el7_4.ppc64le.rpm
389-ds-base-snmp-1.3.6.1-28.el7_4.ppc64le.rpm

Red Hat Enterprise Linux Workstation (v. 7):

Source:
389-ds-base-1.3.6.1-28.el7_4.src.rpm

x86_64:
389-ds-base-1.3.6.1-28.el7_4.x86_64.rpm
389-ds-base-debuginfo-1.3.6.1-28.el7_4.x86_64.rpm
389-ds-base-libs-1.3.6.1-28.el7_4.x86_64.rpm

Red Hat Enterprise Linux Workstation Optional (v. 7):

x86_64:
389-ds-base-debuginfo-1.3.6.1-28.el7_4.x86_64.rpm
389-ds-base-devel-1.3.6.1-28.el7_4.x86_64.rpm
389-ds-base-snmp-1.3.6.1-28.el7_4.x86_64.rpm

These packages are GPG signed by Red Hat for security. Our key and
details on how to verify the signature are available from
https://access.redhat.com/security/team/key/

7. References:

https://access.redhat.com/security/cve/CVE-2017-15135
https://access.redhat.com/security/cve/CVE-2018-1054
https://access.redhat.com/security/updates/classification/#important

8. Contact:

The Red Hat security contact is <secalert@redhat.com>. More contact
details at https://access.redhat.com/security/team/contact/

Copyright 2018 Red Hat, Inc.
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