Vulnerability CVE-2019-16667

Vulnerability CVE-2019-16667

Published: 2019-09-26

Description:

diag_command.php in pfSense 2.4.4-p3 allows CSRF via the txtCommand or txtRecallBuffer field, as demonstrated by executing OS commands. This occurs because csrf_callback() produces a "CSRF token expired" error and a Try Again button when a CSRF token is missing.

See advisories in our WLB2 database:

	Topic	Author	Date
Low	pfSense 2.4.4-p3 Cross Site Request Forgery	ghost_fh	30.07.2020

Type:

CWE-352

(Cross-Site Request Forgery (CSRF))

CVSS2 => (AV:N/AC:M/Au:N/C:P/I:P/A:P)

CVSS Base Score	Impact Subscore	Exploitability Subscore
6.8/10	6.4/10	8.6/10

Exploit range	Attack complexity	Authentication
Remote	Medium	No required
Confidentiality impact	Integrity impact	Availability impact
Partial	Partial	Partial

Affected software
Netgate -> Pfsense

References:

https://pastebin.com/TEJdu9LN

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