Input validation error in Discourse - CVE-2022-41921

 

Input validation error in Discourse - CVE-2022-41921

Published: November 29, 2022


Vulnerability identifier: #VU69694
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2022-41921
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Civilized Discourse Construction Kit, Inc.
Affected software:
Discourse

Detailed vulnerability description

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

The vulnerability exists due to missing limits on the amount of text published by application users. A remote user post a chat message of an unlimited lengt and perform a denial of service (DoS) attack.


How to mitigate CVE-2022-41921

Install updates from vendor's website.

Sources