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Fencer Vulns
medium 6.5

CVE-2024-6237 json

389-ds-base: unauthenticated user can trigger a dos by sending a specific extended search request

published 2024-07-09 2 y ago modified 2026-11-06 2 d ago also EUVD-2024-47979

cvss
6.5
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.9%
EPSS 0.9% chance of exploitation in 30 days, percentile 60%
public exploits
0
none known

Summary

A flaw was found in the 389 Directory Server. This flaw allows an unauthenticated user to cause a systematic server crash while sending a specific extended search request, leading to a denial of service.

Patch / fix

  • Red Hat Red Hat Directory Server 12.4 for RHEL 9 9040020240723122852.1674d574
  • Red Hat Red Hat Enterprise Linux 9 0:2.4.5-9.el9_4
  • 389-ds-base Debian 13 2.4.5+dfsg1-1

debian advisories DEBIAN-CVE-2024-6237

  • 389-ds-base RHEL 9 2.4.5-9.el9_4
  • python3-lib389 RHEL 9 2.4.5-9.el9_4
  • 389-ds-base-libs RHEL 9 2.4.5-9.el9_4
  • 389-ds-base directory server 12.4 2.4.5-7.module+el9dsrv+22137+7a1133f7
  • cockpit-389-ds directory server 12.4 2.4.5-7.module+el9dsrv+22137+7a1133f7
  • python3-lib389 directory server 12.4 2.4.5-7.module+el9dsrv+22137+7a1133f7
  • 389-ds-base-libs directory server 12.4 2.4.5-7.module+el9dsrv+22137+7a1133f7
  • 389-ds-base-snmp directory server 12.4 2.4.5-7.module+el9dsrv+22137+7a1133f7

red hat advisories RHSA-2024:5192RHSA-2024:4997

  • 389-ds openSUSE Tumbleweed 3.1.1~git0.aef1668-1.1

opensuse advisories openSUSE-SU-2024:14227-1

  • 389-ds-base AlmaLinux 9 2.4.5-9.el9_4
  • python3-lib389 AlmaLinux 9 2.4.5-9.el9_4
  • 389-ds-base-libs AlmaLinux 9 2.4.5-9.el9_4

almalinux advisories ALSA-2024:5192

  • 389-ds-base Rocky Linux 9 2.4.5-9.el9_4

rocky linux advisories RLSA-2024:5192

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2024-6237 updated cvss 6.5

389-ds-base: unauthenticated user can trigger a DoS by sending a specific extended search request

  • Red Hat Directory Server 12.4 for RHEL 9 389-ds-base 2.4.5-7.module+el9dsrv+22137+7a1133f7, cockpit-389-ds 2.4.5-7.module+el9dsrv+22137+7a1133f7, python3-lib389 2.4.5-7.module+el9dsrv+22137+7a1133f7, 389-ds-base-libs 2.4.5-7.module+el9dsrv+22137+7a1133f7, 389-ds-base-snmp 2.4.5-7.module+el9dsrv+22137+7a1133f7
    fixed: vendor fix RHSA-2024:4997
  • Red Hat Enterprise Linux AppStream (v. 9) 389-ds-base 2.4.5-9.el9_4, python3-lib389 2.4.5-9.el9_4, 389-ds-base-libs 2.4.5-9.el9_4 Red Hat Enterprise Linux CRB (v. 9) 389-ds-base-devel 2.4.5-9.el9_4, 389-ds-base-debuginfo 2.4.5-9.el9_4, 389-ds-base-debugsource 2.4.5-9.el9_4, 389-ds-base-libs-debuginfo 2.4.5-9.el9_4, 389-ds-base-snmp-debuginfo 2.4.5-9.el9_4
    fixed: vendor fix RHSA-2024:5192
  • Red Hat Directory Server 11 389-ds-base Red Hat Enterprise Linux 6 389-ds-base, 389-ds-base-libs Red Hat Enterprise Linux 7 389-ds-base, 389-ds-base-libs, 389-ds-base-snmp Red Hat Enterprise Linux 8 389-ds-base, cockpit-389-ds, python3-lib389, 389-ds-base-libs, 389-ds-base-snmp, 389-ds-base-legacy-tools Red Hat Enterprise Linux 10 389-ds-base
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

CISA SSVC

Exploitation
none
Automatable
yes
Technical impact
partial
Assessed
2 y ago

Exploit prediction

0.92% chance of exploitation in the next 30 days, higher than 60% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 6.5 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
NVD 3.1 6.5 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Affected products

  • Red Hat Red Hat Directory Server 12.4 for RHEL 9
  • Red Hat Red Hat Enterprise Linux 9
  • Red Hat Red Hat Directory Server 11
  • Red Hat Red Hat Enterprise Linux 10
  • Red Hat Red Hat Enterprise Linux 6
  • Red Hat Red Hat Enterprise Linux 7
  • Red Hat Red Hat Enterprise Linux 8

Classification

Weakness
  • CWE-230 Improper Handling of Missing Values

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.