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.

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):

• Paged search lookthroughlimit counter doesnt take read ahead into account (BZ#2059893)
• Based on 1944494 (RFC 4530 entryUUID attribute) - plugin entryuuid failing (BZ#2060106)

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 IBM z Systems 8 s390x
• Red Hat Enterprise Linux for Power, little endian 8 ppc64le
• Red Hat Enterprise Linux for ARM 64 8 aarch64

Fixes

• BZ - 2030307 - CVE-2021-4091 389-ds-base: double free of the virtual attribute context in persistent search
• BZ - 2059893 - Paged search lookthroughlimit counter doesnt take read ahead into account [rhel-8.5.0.z]
• BZ - 2060106 - Based on 1944494 (RFC 4530 entryUUID attribute) - plugin entryuuid failing [rhel-8.5.0.z]

CVEs

• CVE-2021-4091

References

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