What’s Vulnerable › Vulnerabilities
CVE-2024-5953: 389-ds-base: malformed userpassword hash may cause denial of service
- Severity: medium (CVSS 5.7 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.6% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2024-06-18 · updated 2026-06-17
- Weakness: CWE-1288
Description
A denial of service vulnerability was found in the 389-ds-base LDAP server. This issue may allow an authenticated user to cause a server denial of service while attempting to log in with a user with a malformed hash in their password.
Affected products
- Red Hat Directory Server 11.5 E4S for RHEL 8: all versions — fixed in 8060020250210084424.0ca98e7e
- Red Hat Directory Server 11.7 for RHEL 8: all versions — fixed in 8080020240909040333.f969626e
- Red Hat Directory Server 11.9 for RHEL 8: all versions — fixed in 8100020240902112955.37ed7c03
- Red Hat Directory Server 12.2 EUS for RHEL 9: all versions — fixed in 9020020240916150035.1674d574
- Red Hat Directory Server 12.4 for RHEL 9: all versions — fixed in 9040020240723122852.1674d574
- Red Hat Enterprise Linux 7 Extended Lifecycle Support: all versions — fixed in 0:1.3.11.1-6.el7_9
- Red Hat Enterprise Linux 8: all versions — fixed in 8100020240910065753.25e700aa
- Red Hat Enterprise Linux 8.8 Extended Update Support: all versions — fixed in 8080020240807050952.6dbb3803
- Red Hat Enterprise Linux 9: all versions — fixed in 0:2.4.5-9.el9_4
- Red Hat Enterprise Linux 9.2 Extended Update Support: all versions — fixed in 0:2.2.4-9.el9_2
How to fix
Upgrade to a fixed version: Red Hat Directory Server 11.5 E4S for RHEL 8 8060020250210084424.0ca98e7e; Red Hat Directory Server 11.7 for RHEL 8 8080020240909040333.f969626e; Red Hat Directory Server 11.9 for RHEL 8 8100020240902112955.37ed7c03; Red Hat Directory Server 12.2 EUS for RHEL 9 9020020240916150035.1674d574; Red Hat Directory Server 12.4 for RHEL 9 9040020240723122852.1674d574; Red Hat Enterprise Linux 7 Extended Lifecycle Support 0:1.3.11.1-6.el7_9; Red Hat Enterprise Linux 8 8100020240910065753.25e700aa; Red Hat Enterprise Linux 8.8 Extended Update Support 8080020240807050952.6dbb3803; Red Hat Enterprise Linux 9 0:2.4.5-9.el9_4; Red Hat Enterprise Linux 9.2 Extended Update Support 0:2.2.4-9.el9_2. Check the vendor advisory for mitigations.
References
- https://access.redhat.com/errata/RHSA-2024:4633
- https://access.redhat.com/errata/RHSA-2024:4997
- https://access.redhat.com/errata/RHSA-2024:5192
- https://access.redhat.com/errata/RHSA-2024:5690
- https://access.redhat.com/errata/RHSA-2024:6153
- https://access.redhat.com/errata/RHSA-2024:6568
- https://access.redhat.com/errata/RHSA-2024:6569
- https://access.redhat.com/errata/RHSA-2024:6576
- https://access.redhat.com/errata/RHSA-2024:7458
- https://access.redhat.com/errata/RHSA-2025:1632
- https://access.redhat.com/security/cve/CVE-2024-5953
- https://bugzilla.redhat.com/show_bug.cgi?id=2292104
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