VDB-191681 · CVE-2022-23993 · GCVE-0-2022-23993

pfSense up to 2.5.2 /usr/local/www/pkg.php echo $_REQUEST['pkg_filter'] privilege escalation

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.
5.3	$0-$5k	0.00

Summaryinfo

A vulnerability was found in pfSense up to 2.5.2. It has been rated as problematic. The affected element is the function echo of the file /usr/local/www/pkg.php. The manipulation of the argument $_REQUEST['pkg_filter'] leads to an unknown weakness. This vulnerability is documented as CVE-2022-23993. There is not any exploit available. It is suggested to install a patch to address this issue.

Detailsinfo

A vulnerability was found in pfSense up to 2.5.2 (Firewall Software). It has been rated as problematic. This issue affects the function echo of the file /usr/local/www/pkg.php. The manipulation of the argument $_REQUEST['pkg_filter'] with an unknown input leads to a unknown weakness. Impacted is confidentiality, integrity, and availability.

The weakness was released 01/26/2022 as 5d82cce0d615a76b738798577a28a15803e59aeb. The advisory is shared at github.com. The identification of this vulnerability is CVE-2022-23993 since 01/26/2022. Technical details are known, but no exploit is available.

By approaching the search of inurl:usr/local/www/pkg.php it is possible to find vulnerable targets with Google Hacking.

Applying the patch 5d82cce0d615a76b738798577a28a15803e59aeb is able to eliminate this problem. The bugfix is ready for download at github.com.

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

Firewall Software

Name

pfSense

Version

License

open-source

Website

Product: https://github.com/pfsense/pfsense/

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.5
VulDB Meta Temp Score: 5.3

VulDB Base Score: 5.5
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Privilege escalation
CWE: Unknown
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Partially

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: Patch
Status: 🔍

0-Day Time: 🔍

Patch: 5d82cce0d615a76b738798577a28a15803e59aeb

Timelineinfo

01/26/2022 🔍
01/26/2022 +0 days 🔍
01/26/2022 +0 days 🔍
01/29/2022 +3 days 🔍

Sourcesinfo

Product: github.com

Advisory: 5d82cce0d615a76b738798577a28a15803e59aeb
Status: Confirmed

CVE: CVE-2022-23993 (🔍)
GCVE (CVE): GCVE-0-2022-23993
GCVE (VulDB): GCVE-100-191681

Entryinfo

Created: 01/26/2022 22:48
Updated: 01/29/2022 09:37
Changes: 01/26/2022 22:48 (41), 01/29/2022 09:35 (1), 01/29/2022 09:37 (1)
Complete: 🔍
Cache ID: 216::103