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.

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch 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.
    (CVE-2024-6237)

Note that Nessus relies on the presence of the package as reported by the vendor.

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2024:4997 advisory.

    Red Hat Directory Server is an LDAPv3-compliant directory server. The suite of packages includes the     Lightweight Directory Access Protocol (LDAP) server, as well as command-line utilities and Web UI packages     for server administration.

    Security Fixes:

    * 389-ds-base: Unauthenticated user can trigger a DoS by sending a specific extended search request     (CVE-2024-6237) (2294858)

    * 389-ds-base: Malformed userPassword hash may cause Denial of Service (CVE-2024-5953) (DIRSRV-137)

    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.

    Users of Red Hat Directory Server 12 are advised to install these updated packages.

Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The remote Rocky Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RLSA-2024:5192 advisory.

    * 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)

Tenable has extracted the preceding description block directly from the Rocky Linux security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The remote AlmaLinux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the ALSA-2024:5192 advisory.

    * 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)

Tenable has extracted the preceding description block directly from the AlmaLinux security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The remote Oracle Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2024-5192 advisory.

    [2.4.5-9]
    - Bump version to 2.4.5-9
    - Resolves: RHEL-44323 - unauthenticated user can trigger a DoS by sending a specific extended search     request
    - Resolves: RHEL-40945 - Malformed userPassword hash may cause Denial of Service
    - Resolves: RHEL-49457 - perf search result investigation for many large static groups and members
    - Resolves: RHEL-49459 - subsuffix are not returned in one level scoped search

Tenable has extracted the preceding description block directly from the Oracle Linux security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2024:5192 advisory.

    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.

Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

ID	Name	Product	Family	Severity
231579	Linux Distros Unpatched Vulnerability : CVE-2024-6237	Nessus	Misc.	medium
210486	RHEL 9 : redhat-ds:12 (RHSA-2024:4997)	Nessus	Red Hat Local Security Checks	medium
206046	Rocky Linux 9 : 389-ds-base (RLSA-2024:5192)	Nessus	Rocky Linux Local Security Checks	medium
205474	AlmaLinux 9 : 389-ds-base (ALSA-2024:5192)	Nessus	Alma Linux Local Security Checks	medium
205385	Oracle Linux 9 : 389-ds-base (ELSA-2024-5192)	Nessus	Oracle Linux Local Security Checks	medium
205381	RHEL 9 : 389-ds-base (RHSA-2024:5192)	Nessus	Red Hat Local Security Checks	medium

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CVE-2024-6237

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