Unprotected storage of credentials in Nextcloud Mail - CVE-2023-23944

 

Unprotected storage of credentials in Nextcloud Mail - CVE-2023-23944

Published: February 6, 2023


Vulnerability identifier: #VU71815
CSH Severity: Low
CVSS v4.0: 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
Vendor: Nextcloud
Affected software:
Nextcloud Mail

Detailed vulnerability 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.


How to mitigate CVE-2023-23944

Install updates from vendor's website.

Sources