Denial of service in 389-ds-base



Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2024-3657
CWE-ID CWE-20
Exploitation vector 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 medium risk vulnerability.

1) Input validation error

EUVDB-ID: #VU93312

Risk: Medium

CVSSv4.0: 4.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2024-3657

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows a remote user to perform a denial of service (DoS) attack.

The vulnerability exists due to insufficient validation of user-supplied input when parsing Kerberos AS-REQ packets. A remote user can send specially crafted query to the LDAP server and perform a denial of service (DoS) attack.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

389-ds-base: 2.0.0 - 2.4.5

CPE2.3 External links

https://access.redhat.com/security/cve/CVE-2024-3657
https://bugzilla.redhat.com/show_bug.cgi?id=2274401
https://access.redhat.com/errata/RHSA-2024:3591
https://access.redhat.com/errata/RHSA-2024:3837


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

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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