CVE-2019-16667

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.

CVSS v3 8.8 HIGH
CVSS v2.0 6.8 MEDIUM

8.8^/10

CVSS v3 : HIGH

Vector :

Exploitability : 2.8 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

6.8^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:M/Au:N/C:P/I:P/A:P

Exploitability : 8.6 / Impact : 6.4

Access Vector NETWORK

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
http://packetstormsecurity.com/files/158614/pfSense-2.4.4-p3-Cross-Site-Request-Forgery.html
https://pastebin.com/TEJdu9LN	Exploit Third Party Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:netgate:pfsense:2.4.4:p3:*:*:*:*:*:*

History

No history.

Information

Published : 2019-09-26 19:15

Updated : 2023-12-10 13:13

NVD link : CVE-2019-16667

Mitre link : CVE-2019-16667

CVE.ORG link : CVE-2019-16667

JSON object : View

Products Affected

netgate

pfsense

CWE

CWE-352

Cross-Site Request Forgery (CSRF)

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