RHSA-2024:4633 - Security Advisory

Topic

An update for 389-ds-base is now available for Red Hat Enterprise Linux 9.2 Extended Update Support.

Red Hat Product Security has rated this update as having a security impact of Important. 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: a heap overflow leading to denail-of-servce while writing a value larger than 256 chars (in log_entry_attr) (CVE-2024-1062)
• 389-ds-base: Malformed userPassword may cause crash at do_modify in slapd/modify.c (CVE-2024-2199)
• 389-ds-base: potential denial of service via specially crafted kerberos AS-REQ request (CVE-2024-3657)
• 389-ds-base: Malformed userPassword hash may cause Denial of Service (CVE-2024-5953)

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

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 9.2 x86_64
• Red Hat Enterprise Linux Server - AUS 9.2 x86_64
• Red Hat Enterprise Linux for IBM z Systems - Extended Update Support 9.2 s390x
• Red Hat Enterprise Linux for Power, little endian - Extended Update Support 9.2 ppc64le
• Red Hat Enterprise Linux for ARM 64 - Extended Update Support 9.2 aarch64
• Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions 9.2 ppc64le
• Red Hat Enterprise Linux for x86_64 - Update Services for SAP Solutions 9.2 x86_64
• Red Hat Enterprise Linux for ARM 64 - 4 years of updates 9.2 aarch64
• Red Hat Enterprise Linux for IBM z Systems - 4 years of updates 9.2 s390x

Fixes

• BZ - 2261879 - CVE-2024-1062 389-ds-base: a heap overflow leading to denail-of-servce while writing a value larger than 256 chars (in log_entry_attr)
• BZ - 2267976 - CVE-2024-2199 389-ds-base: Malformed userPassword may cause crash at do_modify in slapd/modify.c
• BZ - 2274401 - CVE-2024-3657 389-ds-base: potential denial of service via specially crafted kerberos AS-REQ request
• BZ - 2292104 - CVE-2024-5953 389-ds-base: Malformed userPassword hash may cause Denial of Service

CVEs

• CVE-2024-1062
• CVE-2024-2199
• CVE-2024-3657
• CVE-2024-5953

References

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