Denial of service in 389-ds-base LDAP server



| Updated: 2024-08-08
Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2024-5953
CWE-ID CWE-20
Exploitation vector Local network
Public exploit N/A
Vulnerable software
 389-ds-base
Server applications / Directory software, identity management

Vendor 389 Directory Server Project

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Input validation error

EUVDB-ID: #VU94615

Risk: Low

CVSSv4.0: 0.6 [CVSS:4.0/AV:A/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2024-5953

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

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: 1.3.7.2 - 2.5.1

CPE2.3 External links

https://access.redhat.com/security/cve/CVE-2024-5953
https://bugzilla.redhat.com/show_bug.cgi?id=2292104
https://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).

How the attacker can exploit this vulnerability?

The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

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



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