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7.5 High

CVE-2024-3657 389-ds-base: potential denial of service via specially crafted kerberos as-req request

Description

A flaw was found in 389-ds-base. A specially-crafted LDAP query can potentially cause a failure on the directory server, leading to a denial of service

CVSS 3.1 detail

Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Exploitable remotely over the network, without an account and without any user action; an attacker can seriously compromise confidentiality, integrity or availability.

Attack vector
Network
Attack complexity
Low
Privileges required
None
Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High

Affected products and versions

Product Affected versions Fixed in
Red Hat Directory Server 11.5 E4S for RHEL 8 8060020250210084424.0 earliest → < 8060020250210084424.0ca98e7e 8060020250210084424.0ca98e7e
Red Hat Directory Server 11.7 for RHEL 8 8080020240909040333 earliest → < 8080020240909040333.f969626e 8080020240909040333.f969626e
Red Hat Directory Server 11.8 for RHEL 8 8090020240606122459.91529 earliest → < 8090020240606122459.91529cd0 8090020240606122459.91529cd0
Red Hat Directory Server 11.9 for RHEL 8 8100020240604161237.37 earliest → < 8100020240604161237.37ed7c03 8100020240604161237.37ed7c03
Red Hat Directory Server 12.2 EUS for RHEL 9 9020020240916150035.1674 earliest → < 9020020240916150035.1674d574 9020020240916150035.1674d574
Red Hat Directory Server 12.4 for RHEL 9 9040020240604143706.1674 earliest → < 9040020240604143706.1674d574 9040020240604143706.1674d574
Red Hat Enterprise Linux 7 Versions not published
Red Hat Enterprise Linux 8 8100020240613122040.25 earliest → < 8100020240613122040.25e700aa 8100020240613122040.25e700aa
Red Hat Enterprise Linux 8.8 Extended Update Support 8080020240807050952.6 earliest → < 8080020240807050952.6dbb3803 8080020240807050952.6dbb3803
Show the 4 other branches
Product Affected versions Fixed in
Red Hat Enterprise Linux 9 Versions not published
Red Hat Enterprise Linux 9.2 Extended Update Support Versions not published
Red Hat Enterprise Linux 10 Versions not published
Red Hat Enterprise Linux 6 Versions not published

References

Timeline

  1. Published
  2. Last modified

Other CVEs of Red Hat Directory Server 11.5 E4S for RHEL 8

The 16 CVEs of Red Hat Directory Server 11.5 E4S for RHEL 8 →
CVE-2026-19843 389-ds-base: 389-ds-base: command injection via unescaped ldap dn in cockpit 389 console ldap editor 8.4 High CVE-2026-18922 A flaw was found in 389 Directory Server 9.8 Critical CVE-2026-18453 389-ds-base: 389-ds-base: pre-authentication null pointer dereference via paged results and use_one_backend control in op_shared_search 7.5 High CVE-2026-18355 389-ds-base: 389-ds-base: heap buffer overflow via sasl wrapped-record length lower-bound underflow in sasl_io_start_packet() 7.5 High
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