RHSA-2021:2595 - Security Advisory

Topic

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

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: sync_repl NULL pointer dereference in sync_create_state_control() (CVE-2021-3514)

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):

• ACIs are being evaluated against the Replication Manager account in a replication context. (BZ#1968588)
• A connection can be erroneously flagged as replication conn during evaluation of an aci with ip bind rule (BZ#1970791)
• Large updates can reset the CLcache to the beginning of the changelog (BZ#1972721)
• Changelog cache can upload updates from a wrong starting point (CSN) (BZ#1972738)

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

Affected Products

• Red Hat Enterprise Linux for x86_64 8 x86_64
• Red Hat Enterprise Linux for x86_64 - Extended Update Support 8.4 x86_64
• Red Hat Enterprise Linux Server - AUS 8.4 x86_64
• Red Hat Enterprise Linux for IBM z Systems 8 s390x
• Red Hat Enterprise Linux for IBM z Systems - Extended Update Support 8.4 s390x
• Red Hat Enterprise Linux for Power, little endian 8 ppc64le
• Red Hat Enterprise Linux for Power, little endian - Extended Update Support 8.4 ppc64le
• Red Hat Enterprise Linux Server - TUS 8.4 x86_64
• Red Hat Enterprise Linux for ARM 64 8 aarch64
• Red Hat Enterprise Linux for ARM 64 - Extended Update Support 8.4 aarch64
• Red Hat Enterprise Linux Server (for IBM Power LE) - Update Services for SAP Solutions 8.4 ppc64le
• Red Hat Enterprise Linux Server - Update Services for SAP Solutions 8.4 x86_64

Fixes

• BZ - 1952907 - CVE-2021-3514 389-ds-base: sync_repl NULL pointer dereference in sync_create_state_control()
• BZ - 1960720 - CVE-2021-3514 389-ds:1.4/389-ds-base: sync_repl NULL pointer dereference in sync_create_state_control() [rhel-8] [rhel-8.4.0.z]
• BZ - 1968588 - ACIs are being evaluated against the Replication Manager account in a replication context. [rhel-8.4.0.z]
• BZ - 1970791 - A connection can be erroneously flagged as replication conn during evaluation of an aci with ip bind rule [rhel-8.4.0.z]
• BZ - 1972721 - Large updates can reset the CLcache to the beginning of the changelog [rhel-8.4.0.z]
• BZ - 1972738 - Changelog cache can upload updates from a wrong starting point (CSN) [rhel-8.4.0.z]

CVEs

• CVE-2021-3514

References

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