RHSA-2021:3906 - Security Advisory

Topic

An update for the 389-ds:1.4 module is now available for Red Hat Enterprise Linux 8.2 Extended Update Support.

Red Hat Product Security has rated this update as having a security impact of Low. 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.

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: CRYPT password hash with asterisk allows any bind attempt to succeed (CVE-2021-3652)

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):

• A replication connection can be erroneously flagged as a non-replication connection causing the evaluation of the access control rules (BZ#1993267).
• If a persistent search encounters an error entries were previously still being returned. This has been fixed (BZ#1993266).
• Indexes added by plugins are not enabled, and cause some plugins to perform unexpected internal unindexed searches. Now indexes added by plugins are enabled immediately (BZ#1993263).

Solution

Before applying this update, make sure all previously released errata
relevant to your system have been applied.

For details on how to apply this update, refer to:

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

Affected Products

• Red Hat Enterprise Linux for x86_64 - Extended Update Support 8.2 x86_64
• Red Hat Enterprise Linux Server - AUS 8.2 x86_64
• Red Hat Enterprise Linux for IBM z Systems - Extended Update Support 8.2 s390x
• Red Hat Enterprise Linux for Power, little endian - Extended Update Support 8.2 ppc64le
• Red Hat Enterprise Linux Server - TUS 8.2 x86_64
• Red Hat Enterprise Linux for ARM 64 - Extended Update Support 8.2 aarch64
• Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions 8.2 ppc64le
• Red Hat Enterprise Linux for x86_64 - Update Services for SAP Solutions 8.2 x86_64

Fixes

• BZ - 1982782 - CVE-2021-3652 389-ds-base: CRYPT password hash with asterisk allows any bind attempt to succeed
• BZ - 1993266 - persistent search returns entries even when an error is returned by content-sync-plugin [rhel-8.2.0.z]
• BZ - 1993267 - A connection can be erroneously flagged as replication conn during evaluation of an aci with ip bind rule [rhel-8.2.0.z]
• BZ - 1995778 - ACIs are being evaluated against the Replication Manager account in a replication context. [rhel-8.2.0.z]

CVEs

• CVE-2021-3652

References

• https://access.redhat.com/security/updates/classification/#low