RHSA-2018:3507 - Security Advisory

Topic

An update for 389-ds-base is now available for Red Hat Enterprise Linux 7.5 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: Mishandled search requests in servers/slapd/search.c:do_search() allows for denial of service (CVE-2018-14648)

For more details about the security issue(s), including the impact, a CVSS score, and other related information, refer to the CVE page(s) listed in the References section.

Bug Fix(es):

• Previously, the *Pass-through* plug-in in Directory Server did not support encrypted connections if the encryption was started using the *STARTTLS* command. The problem has been fixed, and the *Pass-through* plug-in now supports connections that use the *STARTTLS* command. (BZ#1635138)

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 for x86_64 - Extended Update Support 7.5 x86_64
• Red Hat Enterprise Linux for IBM z Systems - Extended Update Support 7.5 s390x
• Red Hat Enterprise Linux for Power, big endian - Extended Update Support 7.5 ppc64
• Red Hat Enterprise Linux for Power, little endian - Extended Update Support 7.5 ppc64le
• Red Hat Enterprise Linux EUS Compute Node 7.5 x86_64

Fixes

• BZ - 1630668 - CVE-2018-14648 389-ds-base: Mishandled search requests in servers/slapd/search.c:do_search() allows for denial of service
• BZ - 1635138 - passthrough plugin configured to do starttls does not work. [rhel-7.5.z]

CVEs

• CVE-2018-14648

References

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