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Red Hat Security Advisory 2021-1243-01

Red Hat Security Advisory 2021-1243-01
Posted Apr 19, 2021
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2021-1243-01 - Red Hat Directory Server is an LDAPv3-compliant directory server. The suite of packages includes the Lightweight Directory Access Protocol server, as well as command-line utilities and Web UI packages for server administration. Issues addressed include an information leakage vulnerability.

tags | advisory, web, protocol
systems | linux, redhat
advisories | CVE-2020-35518
MD5 | e17342b2fe3c63dcb20a9f705cf85d43

Red Hat Security Advisory 2021-1243-01

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=====================================================================
Red Hat Security Advisory

Synopsis: Moderate: redhat-ds:11 security and bug fix update
Advisory ID: RHSA-2021:1243-01
Product: Red Hat Directory Server
Advisory URL: https://access.redhat.com/errata/RHSA-2021:1243
Issue date: 2021-04-19
CVE Names: CVE-2020-35518
=====================================================================

1. Summary:

An update for the redhat-ds:11 module is now available for Red Hat
Directory Server 11.2 for RHEL 8.

Red Hat Product Security has rated this update as having a security impact
of Moderate. 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 Directory Server 11.2 for RHEL 8 - noarch, x86_64

3. Description:

Red Hat Directory Server is an LDAPv3-compliant directory server. The suite
of packages includes the Lightweight Directory Access Protocol (LDAP)
server, as well as command-line utilities and Web UI packages for server
administration.

Security Fix(es):

* 389-ds-base: information disclosure during the binding of a DN
(CVE-2020-35518) (BZ#1905565)

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

Bug Fix(es):

* The UI become unresponsive when an error occured (BZ#1751082)

* The python-lib389 class Accounts displayed an error during delete
operations (BZ#1859215)

* The server version number has been added to the UI (BZ#1859288)

* Searches by an unauthorized client can no longer determine if an entry
exists or not by the result code (BZ#1925537)

* Changes made on the Server Tuning page in the web console are now
correctly reflected (BZ#1927051)

* Adding new schema using dsconf no longer displayes a "values has to be a
tuple" error (BZ#1937036)

Users of Red Hat Directory Server 11 are advised to install these updated
packages.

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

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

1751082 - Red Hat Directory Server page gets into an unresponsive loading state forever
1859215 - lib389 Issue: With Accounts/Account module delete fuction is not working
1859288 - add version information for 389-ds-base and RHDS to cli and cockpit
1905565 - CVE-2020-35518 389-ds-base: information disclosure during the binding of a DN
1925537 - RHDS11: “write” permission of ACI changes ns-slapd’s behavior on search operation
1927051 - Changes in the "Tuning & Limits" are saved in LDAP but the Console shows the previous value.
1930272 - CVE-2020-35518 389-ds-base: information disclosure during the binding of a DN [directory_server_11]
1937036 - Error "values has to be a tuple" when creating schema using dsconf [RHDS 11.2]

6. Package List:

Red Hat Directory Server 11.2 for RHEL 8:

Source:
389-ds-base-1.4.3.21-3.module+el8dsrv+10401+3d549418.src.rpm

noarch:
cockpit-389-ds-1.4.3.21-3.module+el8dsrv+10401+3d549418.noarch.rpm
python3-lib389-1.4.3.21-3.module+el8dsrv+10401+3d549418.noarch.rpm

x86_64:
389-ds-base-1.4.3.21-3.module+el8dsrv+10401+3d549418.x86_64.rpm
389-ds-base-debuginfo-1.4.3.21-3.module+el8dsrv+10401+3d549418.x86_64.rpm
389-ds-base-debugsource-1.4.3.21-3.module+el8dsrv+10401+3d549418.x86_64.rpm
389-ds-base-devel-1.4.3.21-3.module+el8dsrv+10401+3d549418.x86_64.rpm
389-ds-base-legacy-tools-1.4.3.21-3.module+el8dsrv+10401+3d549418.x86_64.rpm
389-ds-base-legacy-tools-debuginfo-1.4.3.21-3.module+el8dsrv+10401+3d549418.x86_64.rpm
389-ds-base-libs-1.4.3.21-3.module+el8dsrv+10401+3d549418.x86_64.rpm
389-ds-base-libs-debuginfo-1.4.3.21-3.module+el8dsrv+10401+3d549418.x86_64.rpm
389-ds-base-snmp-1.4.3.21-3.module+el8dsrv+10401+3d549418.x86_64.rpm
389-ds-base-snmp-debuginfo-1.4.3.21-3.module+el8dsrv+10401+3d549418.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-2020-35518
https://access.redhat.com/security/updates/classification/#moderate

8. Contact:

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

Copyright 2021 Red Hat, Inc.
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