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: 1 [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]
CVE-ID: CVE-2023-23944
CWE-ID: CWE-256
Exploitation vector: Local access
Exploit availability: No public exploit available

Vulnerability details

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.


Affected software

Nextcloud Mail

How to mitigate CVE-2023-23944

Install updates from vendor's website.

Nextcloud Mail - update to 2.2.2

External References

Related Security Bulletins