Netgate pfSense Plus/pfSense CE WebGUI diag_packet_capture.php count/length os command injection

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.
7.4$0-$5k0.00

Summaryinfo

A vulnerability was found in Netgate pfSense Plus and pfSense CE. It has been rated as critical. Affected by this vulnerability is an unknown functionality of the file src/usr/local/www/diag_packet_capture.php of the component WebGUI. This manipulation of the argument count/length causes os command injection. This vulnerability appears as CVE-2023-48123. The attack may be initiated remotely. There is no available exploit. Applying a patch is the recommended action to fix this issue.

Detailsinfo

A vulnerability was found in Netgate pfSense Plus and pfSense CE (Firewall Software) (version unknown). It has been declared as critical. Affected by this vulnerability is an unknown function of the file src/usr/local/www/diag_packet_capture.php of the component WebGUI. The manipulation of the argument count/length with an unknown input leads to a os command injection vulnerability. The CWE definition for the vulnerability is CWE-78. The product constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

An issue in Netgate pfSense Plus v.23.05.1 and before and pfSense CE v.2.7.0 allows a remote attacker to execute arbitrary code via a crafted request to the packet_capture.php file.

The weakness was presented 12/07/2023 as 14809. The advisory is shared at redmine.pfsense.org. This vulnerability is known as CVE-2023-48123 since 11/13/2023. Technical details are known, but no exploit is available. MITRE ATT&CK project uses the attack technique T1202 for this issue.

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

Applying the patch f72618c4abb61ea6346938d0c93df9078736b775 is able to eliminate this problem. The bugfix is ready for download at github.com.

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Type

Vendor

Name

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.6
VulDB Meta Temp Score: 7.4

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.8
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock

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

Exploitinginfo

Class: Os command injection
CWE: CWE-78 / CWE-77 / CWE-74
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined
Google Hack: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍

Patch: f72618c4abb61ea6346938d0c93df9078736b775

Timelineinfo

11/13/2023 🔍
12/07/2023 +24 days 🔍
12/07/2023 +0 days 🔍
12/30/2023 +23 days 🔍

Sourcesinfo

Advisory: 14809
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2023-48123 (🔍)
GCVE (CVE): GCVE-0-2023-48123
GCVE (VulDB): GCVE-100-247093

Entryinfo

Created: 12/07/2023 01:59
Updated: 12/30/2023 09:54
Changes: 12/07/2023 01:59 (45), 12/30/2023 09:54 (11)
Complete: 🔍
Cache ID: 216::103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Discussion

No comments yet. Languages: en.

Please log in to comment.

◂ PreviousOverviewNext ▸

Want to know what is going to be exploited?

We predict KEV entries!