Denial of service in Elasticsearch

1) Uncaught exception

EUVDB-ID: #VU91266

Risk: Low

CVSSv3.1: 3.8 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2024-23449

CWE-ID: CWE-248 - Uncaught Exception

Exploit availability: No

Description

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

The vulnerability exists due to an uncaught exception when an encrypted PDF is passed to an attachment processor through the REST API. A remote user can supply a specially crafted PDF file to the application and perform a denial of service (DoS) attack.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Elasticsearch: 8.4.0 - 8.11.0

CPE2.3

• cpe:2.3:a:elastic_stack:elasticsearch:8.4.0:*:*:*:*:*:*:
• cpe:2.3:a:elastic_stack:elasticsearch:8.4.1:*:*:*:*:*:*:
• cpe:2.3:a:elastic_stack:elasticsearch:8.4.2:*:*:*:*:*:*:
• cpe:2.3:a:elastic_stack:elasticsearch:8.4.3:*:*:*:*:*:*:
• cpe:2.3:a:elastic_stack:elasticsearch:8.5.0:*:*:*:*:*:*:
• cpe:2.3:a:elastic_stack:elasticsearch:8.5.1:*:*:*:*:*:*:
• cpe:2.3:a:elastic_stack:elasticsearch:8.5.2:*:*:*:*:*:*:
• cpe:2.3:a:elastic_stack:elasticsearch:8.5.3:*:*:*:*:*:*:
• cpe:2.3:a:elastic_stack:elasticsearch:8.6.0:*:*:*:*:*:*:
• cpe:2.3:a:elastic_stack:elasticsearch:8.6.1:*:*:*:*:*:*:

External links

http://discuss.elastic.co/t/elasticsearch-8-11-1-security-update-esa-2024-05/356458

Q & A

Can this vulnerability be exploited remotely?

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

Is there known malware, which exploits this vulnerability?

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