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CVE-2024-6237

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

6.5 MediumFix available

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.

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
Low
Privileges needed
Low
User interaction
None

What an attacker can affect

Confidentiality
None
Integrity
None
Availability
High

Exploit likelihood

0.92%Up 0.9 points since Jul 10, 2024
90%50%10%1%

What each source reports

CVE List Score used 6.5

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

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.

Record
CVE-2024-6237
CVSS 3.1
6.5 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Weakness
CWE-230
Updated
2026-11-06
EUVDEUVD-2024-47979 6.5

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.

Record
EUVD-2024-47979
CVSS 3.1
6.5 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Updated
2026-11-06
GitHub AdvisoriesGHSA-2fpj-qhmc-jpvc 5.3

A flaw was found in the 389 Directory Server. This flaw allows an unauthenticated user to cause a...

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.

Record
GHSA-2fpj-qhmc-jpvc
CVSS 3.1
5.3 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Weakness
CWE-230
Updated
2026-11-02
NVD 6.5

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.

Record
CVE-2024-6237
CVSS 3.1
6.5 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Weakness
CWE-230
Updated
2026-11-07
OSV 6.5

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

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.

Record
CVE-2024-6237
CVSS 3.1
6.5 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Weakness
CWE-230
Updated
2026-11-07
OSVDEBIAN-CVE-2024-6237 6.5

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.

Record
DEBIAN-CVE-2024-6237
CVSS 3.1
6.5 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Updated
2026-11-07
Show 7 moreShow less
OSVOESA-2024-2166 6.5

three-eight-nine-ds-base security update

389-ds-base is an LDAPv3 compliant server which includes the LDAP server and command line utilities for server administration.

Security Fix(es):

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.(CVE-2024-5953)

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.(CVE-2024-6237)

Record
OESA-2024-2166
CVSS 3.1
6.5 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Updated
2026-11-02
OSVRHSA-2024:4997 6.5

Red Hat Security Advisory: redhat-ds:12 security and bug fix update

Record
RHSA-2024:4997
CVSS 3.1
6.5 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Updated
2026-11-02
OSVRHSA-2024:5192 6.5

Red Hat Security Advisory: 389-ds-base security update

Record
RHSA-2024:5192
CVSS 3.1
6.5 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Updated
2026-11-02
OSVUBUNTU-CVE-2024-6237 6.5

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.

Record
UBUNTU-CVE-2024-6237
CVSS 3.1
6.5 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Updated
2026-11-02
OSVALSA-2024:5192 No score

Moderate: 389-ds-base security update

389 Directory Server is an LDAP version 3 (LDAPv3) compliant server. The base packages include the Lightweight Directory Access Protocol (LDAP) server and command-line utilities for server administration.

Security Fix(es):

  • 389-ds-base: Malformed userPassword hash may cause Denial of Service (CVE-2024-5953)
  • 389-ds-base: unauthenticated user can trigger a DoS by sending a specific extended search request (CVE-2024-6237)

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.

Record
ALSA-2024:5192
Updated
2026-11-02
OSVopenSUSE-SU-2024:14227-1 No score

389-ds-3.1.1~git0.aef1668-1.1 on GA media

These are all security issues fixed in the 389-ds-3.1.1~git0.aef1668-1.1 package on the GA media of openSUSE Tumbleweed.

Record
openSUSE-SU-2024:14227-1
Updated
2026-11-02
OSVRLSA-2024:5192 No score

Moderate: 389-ds-base security update

389 Directory Server is an LDAP version 3 (LDAPv3) compliant server. The base packages include the Lightweight Directory Access Protocol (LDAP) server and command-line utilities for server administration.

Security Fix(es):

  • 389-ds-base: Malformed userPassword hash may cause Denial of Service (CVE-2024-5953)

  • 389-ds-base: unauthenticated user can trigger a DoS by sending a specific extended search request (CVE-2024-6237)

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.

Record
RLSA-2024:5192
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
389-ds-base
AlmaLinux:9
From an advisory covering 2 CVEs
 before 2.4.5-9.el9_4
2.4.5-9.el9_4
389-ds-base-devel
AlmaLinux:9
From an advisory covering 2 CVEs
 before 2.4.5-9.el9_4
2.4.5-9.el9_4
389-ds-base-libs
AlmaLinux:9
From an advisory covering 2 CVEs
 before 2.4.5-9.el9_4
2.4.5-9.el9_4
python3-lib389
AlmaLinux:9
From an advisory covering 2 CVEs
 before 2.4.5-9.el9_4
2.4.5-9.el9_4
389-ds-base
Debian:12
 All versions, plus listed versions
2.3.1+dfsg1-12.3.1+dfsg1-1+deb12u12.3.4+dfsg1-12.3.4+dfsg1-1.12.4.4+dfsg1-1
Show 13 moreShow less
2.4.4+dfsg1-32.4.5+dfsg1-13.0.2+dfsg1-13.1.1+dfsg1-13.1.1+dfsg1-23.1.1+dfsg1-33.1.2+dfsg1-13.1.2+vendor1-13.1.2+vendor1-23.3.0-13.3.0-23.3.1-13.3.1-3
 None known
389-ds-base
Debian:13
 before 2.4.5+dfsg1-1
2.4.5+dfsg1-1
three-eight-nine-ds-base
openEuler:24.03-LTS
From an advisory covering 2 CVEs
 before 389-ds-base-3.1.1-1.oe2403
389-ds-base-3.1.1-1.oe2403
389-ds-base
Red Hat:directory_server:12.4::el9
From an advisory covering 2 CVEs
 before 0:2.4.5-7.module+el9dsrv+22137+7a1133f7
0:2.4.5-7.module+el9dsrv+22137+7a1133f7
389-ds-base-debuginfo
Red Hat:directory_server:12.4::el9
From an advisory covering 2 CVEs
 before 0:2.4.5-7.module+el9dsrv+22137+7a1133f7
0:2.4.5-7.module+el9dsrv+22137+7a1133f7
389-ds-base-debugsource
Red Hat:directory_server:12.4::el9
From an advisory covering 2 CVEs
 before 0:2.4.5-7.module+el9dsrv+22137+7a1133f7
0:2.4.5-7.module+el9dsrv+22137+7a1133f7
Show 26 moreShow less
Affected packages
PackageAffectedFixed
389-ds-base-devel
Red Hat:directory_server:12.4::el9
From an advisory covering 2 CVEs
 before 0:2.4.5-7.module+el9dsrv+22137+7a1133f7
0:2.4.5-7.module+el9dsrv+22137+7a1133f7
389-ds-base-libs
Red Hat:directory_server:12.4::el9
From an advisory covering 2 CVEs
 before 0:2.4.5-7.module+el9dsrv+22137+7a1133f7
0:2.4.5-7.module+el9dsrv+22137+7a1133f7
389-ds-base-libs-debuginfo
Red Hat:directory_server:12.4::el9
From an advisory covering 2 CVEs
 before 0:2.4.5-7.module+el9dsrv+22137+7a1133f7
0:2.4.5-7.module+el9dsrv+22137+7a1133f7
389-ds-base-snmp
Red Hat:directory_server:12.4::el9
From an advisory covering 2 CVEs
 before 0:2.4.5-7.module+el9dsrv+22137+7a1133f7
0:2.4.5-7.module+el9dsrv+22137+7a1133f7
389-ds-base-snmp-debuginfo
Red Hat:directory_server:12.4::el9
From an advisory covering 2 CVEs
 before 0:2.4.5-7.module+el9dsrv+22137+7a1133f7
0:2.4.5-7.module+el9dsrv+22137+7a1133f7
cockpit-389-ds
Red Hat:directory_server:12.4::el9
From an advisory covering 2 CVEs
 before 0:2.4.5-7.module+el9dsrv+22137+7a1133f7
0:2.4.5-7.module+el9dsrv+22137+7a1133f7
python3-lib389
Red Hat:directory_server:12.4::el9
From an advisory covering 2 CVEs
 before 0:2.4.5-7.module+el9dsrv+22137+7a1133f7
0:2.4.5-7.module+el9dsrv+22137+7a1133f7
389-ds-base
Red Hat:enterprise_linux:9::appstream
From an advisory covering 2 CVEs
 before 0:2.4.5-9.el9_4
0:2.4.5-9.el9_4
389-ds-base-debuginfo
Red Hat:enterprise_linux:9::appstream
From an advisory covering 2 CVEs
 before 0:2.4.5-9.el9_4
0:2.4.5-9.el9_4
389-ds-base-debugsource
Red Hat:enterprise_linux:9::appstream
From an advisory covering 2 CVEs
 before 0:2.4.5-9.el9_4
0:2.4.5-9.el9_4
389-ds-base-libs
Red Hat:enterprise_linux:9::appstream
From an advisory covering 2 CVEs
 before 0:2.4.5-9.el9_4
0:2.4.5-9.el9_4
389-ds-base-libs-debuginfo
Red Hat:enterprise_linux:9::appstream
From an advisory covering 2 CVEs
 before 0:2.4.5-9.el9_4
0:2.4.5-9.el9_4
389-ds-base-snmp-debuginfo
Red Hat:enterprise_linux:9::appstream
From an advisory covering 2 CVEs
 before 0:2.4.5-9.el9_4
0:2.4.5-9.el9_4
python3-lib389
Red Hat:enterprise_linux:9::appstream
From an advisory covering 2 CVEs
 before 0:2.4.5-9.el9_4
0:2.4.5-9.el9_4
389-ds-base-debuginfo
Red Hat:enterprise_linux:9::crb
From an advisory covering 2 CVEs
 before 0:2.4.5-9.el9_4
0:2.4.5-9.el9_4
389-ds-base-debugsource
Red Hat:enterprise_linux:9::crb
From an advisory covering 2 CVEs
 before 0:2.4.5-9.el9_4
0:2.4.5-9.el9_4
389-ds-base-devel
Red Hat:enterprise_linux:9::crb
From an advisory covering 2 CVEs
 before 0:2.4.5-9.el9_4
0:2.4.5-9.el9_4
389-ds-base-libs-debuginfo
Red Hat:enterprise_linux:9::crb
From an advisory covering 2 CVEs
 before 0:2.4.5-9.el9_4
0:2.4.5-9.el9_4
389-ds-base-snmp-debuginfo
Red Hat:enterprise_linux:9::crb
From an advisory covering 2 CVEs
 before 0:2.4.5-9.el9_4
0:2.4.5-9.el9_4
389-ds-base
Rocky Linux:9
From an advisory covering 2 CVEs
 before 0:2.4.5-9.el9_4
0:2.4.5-9.el9_4
389-ds-base
Ubuntu:Pro:16.04:LTS
 All versions, plus listed versions
1.3.3.12-1build11.3.3.13-11.3.4.5-21.3.4.8-11.3.4.8-3
Show 4 moreShow less
1.3.4.8-3ubuntu11.3.4.8-41.3.4.9-11.3.4.9-1ubuntu0.1~esm1
 None known
389-ds-base
Ubuntu:Pro:18.04:LTS
 All versions, plus listed versions
1.3.7.5-11.3.7.5-1build11.3.7.5-1build21.3.7.9-11.3.7.10-11.3.7.10-1ubuntu11.3.7.10-1ubuntu1+esm1
 None known
389-ds-base
Ubuntu:Pro:20.04:LTS
 All versions, plus listed versions
1.4.1.6-41.4.1.6-4build11.4.2.4-11.4.2.4-1build11.4.3.2-11.4.3.2-1build11.4.3.6-21.4.3.6-2ubuntu0.1~esm1
 None known
389-ds-base
Ubuntu:22.04:LTS
 All versions, plus listed versions
1.4.4.11-2build11.4.4.11-2build21.4.4.17-12.0.11-22.0.14-12.0.15-12.0.15-1ubuntu2
 None known
389-ds-base
Ubuntu:26.04:LTS
 All versions, plus listed versions
3.1.2+dfsg1-13.1.2+vendor1-2
 None known
389-ds
openSUSE:Tumbleweed
From an advisory covering 4 CVEs
 before 3.1.1~git0.aef1668-1.1
3.1.1~git0.aef1668-1.1

History

History
RecordedChangedSources
affected, facts
first indexedCVE List, EUVD, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2024-6237 is a medium vulnerability (CVSS 6.5) in Redhat 389 Directory Server, published July 9, 2024. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.92%, the 60th percentile. Fixed in 389-ds-base 2.4.5+dfsg1-1.

References

Show 24 moreShow less
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