Low: 389-ds:1.4 security and bug fix update

Topic

An update for the 389-ds:1.4 module is now available for Red Hat Enterprise Linux 8.4 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: double free of the virtual attribute context in persistent search (CVE-2021-4091)

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):

• DB corruption "_entryrdn_insert_key - Same DN (dn: nsuniqueid=ffffffff-ffffffff-ffffffff-ffffffff,<SUFFIX>) is already in the entryrdn file" (BZ#2066800)
• IPA server (389ds) is very slow in execution of some searches (`&(memberOf=...)(objectClass=ipaHost)` in particular) (BZ#2066801)
• monitor displays wrong date for connection (BZ#2066848)

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 - 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 - Extended Update Support 8.4 s390x
• 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 - 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 - 2030307 - CVE-2021-4091 389-ds-base: double free of the virtual attribute context in persistent search
• BZ - 2066800 - DB corruption "_entryrdn_insert_key - Same DN (dn: nsuniqueid=ffffffff-ffffffff-ffffffff-ffffffff,<SUFFIX>) is already in the entryrdn file"
• BZ - 2066801 - IPA server (389ds) is very slow in execution of some searches (`&(memberOf=...)(objectClass=ipaHost)` in particular)
• BZ - 2066848 - monitor displays wrong date for connection

CVEs

• CVE-2021-4091

References

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