Vulnerability identifier: #VU18083

Vulnerability risk: High

CVSSv3.1: 8.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2019-7610

CWE-ID: CWE-94

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Kibana
Web applications / Other software

Vendor: Elastic Stack

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to improper input validation in the security audit logger, if the setting xpack.security.audit.enabled set to true. A remote attacker can send a specially crafted request and execute arbitrary javascript code on the target system with privileges of the Kibana process on the host system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Kibana: 5.6.0 - 5.6.14, 6.6.0

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External links
http://discuss.elastic.co/t/elastic-stack-6-6-1-and-5-6-15-security-update/169077
http://www.elastic.co/community/security

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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.