Input validation error in Discourse - CVE-2022-41921
Published: November 29, 2022
Vulnerability identifier: #VU69694
CSH Severity: Low
CVSS v4: 2.3 [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]
CVE-ID: CVE-2022-41921
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
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.
Affected software
Discourse
How to mitigate CVE-2022-41921
Install updates from vendor's website.
Discourse - update to 2.9.0 beta13