#VU16059 Resource exhaustion in 389-ds-base - CVE-2018-14648

Vulnerability identifier: #VU16059

Vulnerability risk: Low

CVSSv4.0: 6.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2018-14648

CWE-ID: CWE-400

Exploitation vector: Network

Exploit availability: No

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

Vendor: 389 Directory Server Project

Description

The vulnerability allows a remote attacker to cause DoS condition.

The vulnerability exists due to excessive CPU consumption in the do_search() function. A remote attacker can supply specially crafted search queries to trigger resource exhaustion and denial of service.

Mitigation
Update to version 1.3.8.4.

Vulnerable software versions

389-ds-base: before 1.3.8.4, 1.3.8.4

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External links
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-14648

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Q & A

Can this vulnerability be exploited remotely?

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

Is there known malware, which exploits this vulnerability?

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