CRLF injection in Nextcloud Server - CVE-2022-24888
Published: April 27, 2022
Vulnerability identifier: #VU62646
CSH Severity: Low
CVSS v4: 5.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2022-24888
CWE-ID: CWE-93
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to inject arbitrary data in server response.
The vulnerability exists due to insufficient validation of attacker-supplied data. A remote user can pass specially crafted data to the application containing CR-LF characters and modify application behavior.
Affected software
Nextcloud Server
How to mitigate CVE-2022-24888
Install updates from vendor's website.
Nextcloud Server - addressed in versions 20.0.14.4, 21.0.8, 22.2.4, 23.0.1