RHSA-2021:3807 - Security Advisory

Topic

An update for 389-ds-base is now available for Red Hat Enterprise Linux 7.

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 plugin can create an index. Even if the index can be used immediately (for

searches) the index remains offline until further reindex (BZ#2005399)

• In some rare case, a replication connection may be treated as a regular connection and ACIs evaluated even if they should not. (BZ#2005434)
• A regular connection can be erroneously flagged replication connection (BZ#2005435)

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

After installing this update, the 389 server service will be restarted automatically.

Affected Products

• Red Hat Enterprise Linux Server 7 x86_64
• Red Hat Enterprise Linux Workstation 7 x86_64
• Red Hat Enterprise Linux Desktop 7 x86_64
• Red Hat Enterprise Linux for IBM z Systems 7 s390x
• Red Hat Enterprise Linux for Power, big endian 7 ppc64
• Red Hat Enterprise Linux for Scientific Computing 7 x86_64
• Red Hat Enterprise Linux for Power, little endian 7 ppc64le

Fixes

• BZ - 1982782 - CVE-2021-3652 389-ds-base: CRYPT password hash with asterisk allows any bind attempt to succeed
• BZ - 2005399 - Internal unindexed searches in syncrepl
• BZ - 2005434 - ACIs are being evaluated against the Replication Manager account in a replication context.
• BZ - 2005435 - A connection can be erroneously flagged as replication conn during evaluation of an aci with ip bind rule

CVEs

• CVE-2021-3652

References

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