Vulnerability identifier: #VU87905

Vulnerability risk: Medium

CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2024-23450

CWE-ID: CWE-399

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Elasticsearch
Web applications / Other software

Vendor: Elastic Stack

Description

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

The vulnerability exists due to improper management of internal resources within the application when processing a document in a deeply nested pipeline on an ingest node. A remote attacker can pass specially crafted data to the application and perform a denial of service (DoS) attack.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Elasticsearch: 8.12.0 - 8.12.2, 8.11.0 - 8.11.4, 8.1.0 - 8.10.4, 8.3.0 - 8.3.3, 8.2.0 - 8.2.3, 8.0.0 - 8.0.1, 7.17.0 - 7.17.18, 7.16.0 - 7.16.3, 7.15.0 - 7.15.2, 7.14.0 - 7.14.2, 7.13.0 - 7.13.4, 7.12.0 - 7.12.1, 7.11.0 - 7.11.2, 7.10.0 - 7.10.2, 7.9.0 - 7.9.3, 7.8.0 - 7.8.1, 7.7.0 - 7.7.1, 7.6.0 - 7.6.2, 7.5.0 - 7.5.2, 7.4.0 - 7.4.2, 7.3.0 - 7.3.2, 7.2.0 - 7.2.1, 7.0.0 - 7.0.1, 7.1.0 - 7.1.1

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External links
http://discuss.elastic.co/t/elasticsearch-8-13-0-7-17-19-security-update-esa-2024-06/356314
http://www.elastic.co/community/security#ESA-2024-06

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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.