Input validation error in desktop - CVE-2021-22879
Published: April 13, 2021
Vulnerability identifier: #VU52063
CSH Severity: High
CVSS v4: 8.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2021-22879
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to compromise the affected system.
The vulnerability exists due to insufficient validation of user-supplied input passed via URL. A malicious server can pass specially crafted URL to the client application and execute arbitrary code on the system.
Affected software
desktop
Gentoo Linux
Fedora
nextcloud-client
Gentoo Linux
Fedora
nextcloud-client
How to mitigate CVE-2021-22879
Install updates from vendor's website.
desktop - update to 3.1.3
nextcloud-client - addressed in versions 3.1.3-1.el8, 3.1.3-1.fc33
nextcloud-client - addressed in versions 3.1.3-1.el8, 3.1.3-1.fc33