Vulnerability identifier: #VU80623

Vulnerability risk: Low

CVSSv3.1: 4.6 [CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-31417

CWE-ID: CWE-532

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Elasticsearch
Web applications / Other software

Vendor: Elastic Stack

Description

The vulnerability allows a remote user to gain access to sensitive information.

The vulnerability exists due to software can include sensitive information into audit logs log files when using certain deprecated URIs for APIs. A local user with access to the application's log can obtain potentially sensitive information, such as passwords and tokens in clear text.

Note that audit logging is disabled by default and needs to be explicitly enabled.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Elasticsearch: 8.3.0 - 8.3.3, 8.2.0 - 8.2.3, 8.1.0 - 8.1.3, 8.0.0 - 8.0.1, 7.17.0 - 7.17.12, 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

---

External links
http://www.elastic.co/community/security#ESA-2023-12

---

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.