pfSense 2.4.4-p3 diag_command.php csrf_callback txtCommand/txtRecallBuffer cross-site request forgery

HistoryDiffrelatejsonxmlCTI

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
6.5	$0-$5k	0.00

Summaryinfo

A vulnerability was found in pfSense 2.4.4-p3. It has been rated as problematic. This issue affects the function csrf_callback of the file diag_command.php. The manipulation of the argument txtCommand/txtRecallBuffer leads to cross-site request forgery. The identification of this vulnerability is CVE-2019-16667. The attack may be initiated remotely. There is no exploit available. Once again VulDB remains the best source for vulnerability data.

Detailsinfo

A vulnerability was found in pfSense 2.4.4-p3 (Firewall Software). It has been declared as problematic. This vulnerability affects the function csrf_callback of the file diag_command.php. The manipulation of the argument txtCommand/txtRecallBuffer with an unknown input leads to a cross-site request forgery vulnerability. The CWE definition for the vulnerability is CWE-352. The web application does not, or can not, sufficiently verify whether a well-formed, valid, consistent request was intentionally provided by the user who submitted the request. As an impact it is known to affect integrity. CVE summarizes:

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.

The weakness was presented 09/26/2019. This vulnerability was named CVE-2019-16667 since 09/21/2019. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Successful exploitation requires user interaction by the victim. Technical details are known, but there is no available exploit.

By approaching the search of inurl:diag_command.php it is possible to find vulnerable targets with Google Hacking.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

See VDB-142381 and VDB-142380 for similar entries. Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

Firewall Software

Name

pfSense

Version

2.4.4-p3

License

open-source

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.5
VulDB Meta Temp Score: 6.5

VulDB Base Score: 4.3
VulDB Temp Score: 4.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.8
NVD Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
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💳	💳	💳	💳	💳	💳
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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Cross-site request forgery
CWE: CWE-352 / CWE-862 / CWE-863
CAPEC: 🔍
ATT&CK: 🔍

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined
Google Hack: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	unlock	unlock	unlock	unlock
Today	unlock	unlock	unlock	unlock

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

09/21/2019 🔍
09/26/2019 +5 days 🔍
09/27/2019 +1 days 🔍
12/28/2023 +1553 days 🔍

Sourcesinfo

Advisory: 158614
Status: Not defined

CVE: CVE-2019-16667 (🔍)
GCVE (CVE): GCVE-0-2019-16667
GCVE (VulDB): GCVE-100-142378
See also: 🔍

Entryinfo

Created: 09/27/2019 06:04 PM
Updated: 12/28/2023 02:26 PM
Changes: 09/27/2019 06:04 PM (37), 09/10/2020 08:45 PM (18), 12/28/2023 02:26 PM (4)
Complete: 🔍
Cache ID: 18:F11:40