RHSA-2024:4209 - Security Advisory

Topic

An update for the redhat-ds:11 module is now available for Red Hat Directory Server 11.2 for RHEL 8.

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

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 Fix(s):

• 389-ds-base: Potential denial of service via specially crafted kerberos AS-REQ request (CVE-2024-3657) (BZ#2274401)
• 389-ds-base: Authenticated user can cause a server failure while modifying `userPassword` using malformed input (CVE-2024-2199) (BZ#2267976)
• 389-ds-base: Denial of service when writing a value larger than 256 chars in log_entry_attr (CVE-2024-1062) (BZ#2261879)

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):

• Directory Server now flushes the entry cache less frequently (BZ#2268177)
• The `ns-slapd` binary is now linked with the thread-safe `libldap_r` library, no longer causing segmentation fault (BZ#2264534)

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 Directory Server 11.8 x86_64

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 - 2268183 - Long etime and error "Retry cound exceeded' on BIND/ADD/DEL/MOD from revert_cache [11.8.z]
• BZ - 2274367 - RHDS LDAP server Segmentation fault, apparent heap corruption, crashes in OpenSSL after SSL_do_handshake [11.8.z]
• BZ - 2274401 - CVE-2024-3657 389-ds-base: potential denial of service via specially crafted kerberos AS-REQ request

CVEs

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

References

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