Vulnerability identifier: #VU94615

Vulnerability risk: Low

CVSSv3.1: 2.7 [CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2024-5953

CWE-ID: CWE-20

Exploitation vector: Local network

Exploit availability: No

Vulnerable software:
389-ds-base
Server applications / Directory software, identity management

Vendor: 389 Directory Server Project

Description

The vulnerability allows an attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to insufficient validation of password hashes. A remote attacker can crash the LDAP server when attempting to log in with a user with a malformed hash in their password.

Mitigation
Install update from vendor's website.

Vulnerable software versions

389-ds-base: 2.5.1, 2.4.5, 2.3.0 - 2.3.7, 2.2.0 - 2.2.9, 2.1.0 - 2.1.8, 2.0.0 - 2.0.17, 1.4.3.1 - 1.4.3.39, 1.4.4.0 - 1.4.4.19, 1.4.2.1 - 1.4.2.16, 1.4.1.0 - 1.4.1.19, 1.4.0 - 1.4.0.31, 1.4.5.0, 1.3.11.1, 1.3.9.1, 1.3.7.2 - 1.3.7.10

---

External links
http://access.redhat.com/security/cve/CVE-2024-5953
http://bugzilla.redhat.com/show_bug.cgi?id=2292104
http://access.redhat.com/errata/RHSA-2024:4633

---

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the local network (LAN).

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.