RHSA-2024:6576 - Security Advisory

Topic

An update for the redhat-ds:11 module is now available for Red Hat Directory Server 11.7 for RHEL 8.

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

Red Hat Directory Server is an LDAPv3-compliant directory server. The suite of packages includes the Lightweight Directory Access Protocol (LDAP) server, as well as command-line utilities and Web UI packages for server administration.

Security Fixes:

• 389-ds-base: Malformed userPassword hash may cause Denial of Service (CVE-2024-5953)
• 389-ds-base: Specially crafted kerberos AS-REQ request may cause Denial of Service (CVE-2024-3657)

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):

• Improved performance of filter component when evaluating a large value

set, such as group members (DIRSRV-153)

• The new connection timeout error no longer breaks error mapping (DIRSRV-154)

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

Solution

Before applying this update, make sure all previously released errata
relevant to your system have been applied.

For details on how to apply this update, refer to:

https://access.redhat.com/articles/11258

Affected Products

• Red Hat Directory Server 11.7 x86_64
• Red Hat Directory Server - Extended Update Support 11 x86_64

Fixes

• 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-2024-3657
• CVE-2024-5953

References

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