Dnial of service in 389-ds-base



Published: 2022-06-16
Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2022-1949
CWE-ID CWE-863
Exploitation vector Network
Public exploit N/A
Vulnerable software
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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) Incorrect authorization

EUVDB-ID: #VU64440

Risk: Medium

CVSSv3.1: 5.2 [CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-1949

CWE-ID: CWE-863 - Incorrect Authorization

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform a denial of service attack.

The vulnerability exists due to incorrect authorization in the 389-ds-base package where some LDAP queries can cause performance issues. A remote attacker can send a non-optimal search that causes serious performance issues within the directory server.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

389-ds-base: 1.3.0 - 1.4.5.0

External links

http://bugzilla.redhat.com/show_bug.cgi?id=2091781


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker 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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