Unprotected storage of credentials in Nextcloud Mail - CVE-2023-23944
Published: February 6, 2023
Vulnerability identifier: #VU71815
CSH Severity: Low
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:P/PR:H/UI:A/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2023-23944
CWE-ID: CWE-256
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerable software:
Nextcloud Mail
Nextcloud Mail
Software vendor:
Nextcloud
Nextcloud
Description
The vulnerability allows a local user to gain access to other users' credentials.
The vulnerability exists due to application stored credentials in plain text in a configuration file on the system during the duration of OAuth2 setup procedure. A local administrator can view contents of the configuration file and gain access to passwords for 3rd party integration.
Remediation
Install updates from vendor's website.