RHSA-2021:1258 - 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 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: information disclosure during the binding of a DN (CVE-2020-35518)

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):

• Replication now resolves entry conflicts during a modrdn operation (BZ#1946631)
• Searches by an unauthorized client can no longer determine if an entry exists or not by the result code (BZ#1946634)

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

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 8.2 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 - 1905565 - CVE-2020-35518 389-ds-base: information disclosure during the binding of a DN
• BZ - 1946631 - Entries conflict not resolved by replication [rhel-8.2.0.z]
• BZ - 1946632 - CVE-2020-35518 389-ds:1.4/389-ds-base: information disclosure during the binding of a DN [rhel-8] [rhel-8.2.0.z]
• BZ - 1946634 - RHDS11: “write” permission of ACI changes ns-slapd’s behavior on search operation [rhel-8.2.0.z]

CVEs

• CVE-2020-35518

References

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