Cyber Resilience

CVE-2024-6237

Redhat Directory Server 12.0

Published
09 July 2024
Modified
21 November 2024
Patch / advisory
View advisory
CVSS Score v3.1 6.5
Click a component to see what it means
Raw vectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
EPSS Score 0.0092 57th percentile
Risk Priority 52 floored blend · peak EPSS

Summary

CVE-2024-6237 is a medium-severity Improper Handling of Missing Values (CWE-230) vulnerability in Redhat Directory Server. Its CVSS base score is 6.5 (Medium).

Operationally, exploitation aligns with the MITRE ATT&CK technique Exploit Public-Facing Application (T1190); ranked in the top 43% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.

The strongest mitigations our analysis identified map to SI-10 (Information Input Validation) — see the control section below for these in your framework.

EU & UK References

Vulnerability Data

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.

CWE(s)
CWE-230NVD-CWE-noinfo

Related Threats

MITRE ATT&CK Enterprise Techniques

T1190 Exploit Public-Facing Application Initial Access
Adversaries may attempt to exploit a weakness in an Internet-facing host or system to initially access a network.
attack.mitre.org →
Derived from this CVE’s CWE(s) via the direct CWE→ATT&CK cross-walk.

CVEs Like This One

CVE-2026-11770Same product: Redhat 389 Directory Server
CVE-2026-14940Same product: Redhat 389 Directory Server
CVE-2026-11785Same product: Redhat 389 Directory Server
CVE-2026-15722Same product: Redhat 389 Directory Server
CVE-2026-11789Same product: Redhat 389 Directory Server
CVE-2026-11791Same product: Redhat 389 Directory Server
CVE-2026-11786Same product: Redhat 389 Directory Server
CVE-2026-12528Same product: Redhat 389 Directory Server
CVE-2026-15041Same product: Redhat 389 Directory Server
CVE-2026-9064Same product: Redhat 389 Directory Server

Affected Assets

redhat
directory server
12.0
redhat
389 directory server
all versions
redhat
enterprise linux
9.0

Mitigating Controls

Control response

Prevent
Stop it (NIST 800-53)

—

Detect
Catch it (NIST detect / respond)

—

Harden
Shrink the surface (DISA STIG)
  • 7 hardening rules · 3 OS baselines
Validate
Prove the fix (OWASP ASVS)

—

Mitigating Controls (NIST 800-53 r5) AI

SI-10 Information Input Validation good match

Input validation directly requires checking that supplied parameters/fields have valid (non-missing) values before they are used.

Mitigating Controls (NIST CSF 2.0) AI

Derived directly from the weakness types (CWEs) cited in the NVD entry via our AI-authored CWE→CSF cross-walk (authority under review) — links open the control.

PR.PS-06 mostly match
prevents

Secure SDLC practices directly require input validation and null/missing-value handling during coding and review.

Mitigating Controls (ISO/IEC 27001:2022 Annex A) AI

Derived directly from the weakness types (CWEs) cited in the NVD entry via our AI-authored CWE→ISO cross-walk (authority under review) — links open the control.

A.8.29 Security testing in development and acceptance mostly match
finds

Security testing can detect missing-value flaws but does not itself prevent them.

A.8.26 Application security requirements partial match
prevents

Application security requirements can mandate explicit handling of missing parameter values.

A.8.28 Secure coding partial match
prevents

Secure coding standards can require validation that every supplied parameter has a non-null value.

Hardening callouts derived

Configuration rules from DISA STIG baselines that bear on weaknesses of the type cited by this CVE. Each rule is shown with the relationship its mapping actually records, against the CWE it was authored against. Derived via CVE→CWE over `controls_xwalks` (authoritative rows only; rows rated `none` are excluded).

Oracle Linux 8 (4 rules)
  • V-248714 OL 8 must not allow accounts configured with blank or null passwords. prevents CWE-230
  • V-248715 OL 8 must not allow blank or null passwords in the system-auth file. prevents CWE-230
  • V-248716 OL 8 must not allow blank or null passwords in the password-auth file. prevents CWE-230
RHEL 7 (1 rule)
  • V-204424 The Red Hat Enterprise Linux operating system must not allow accounts configured with blank or null passwords. prevents CWE-230
Ubuntu 24.04 (1 rule)
  • V-270714 Ubuntu 24.04 LTS must not allow accounts configured in Pluggable Authentication Modules (PAM) with blank or null passwords. prevents CWE-230

References