#VU94664 Input validation error in Discourse - CVE-2024-38360

Vulnerability identifier: #VU94664

Vulnerability risk: Low

CVSSv4.0: 4.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2024-38360

CWE-ID: CWE-20

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Discourse
Web applications / Forum & blogging software

Vendor: Civilized Discourse Construction Kit, Inc.

Description

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

The vulnerability exists due to insufficient validation of user-supplied input within Watched Words. A remote administrator can pass specially crafted input to the application and perform a denial of service (DoS) attack.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Discourse: 3.2.0 beta1 - 3.3.0 beta2

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External links
https://github.com/discourse/discourse/security/advisories/GHSA-68pm-hm8x-pq2p
https://github.com/discourse/discourse/commit/7b53e610c17e38be982dffefa4e5b5a709a3b990

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Q & A

Can this vulnerability be exploited remotely?

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

Is there known malware, which exploits this vulnerability?

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