VDB-229850 · Submit #156135 · CVE-2023-2871

FabulaTech USB for Remote Desktop 6.1.0.0 IoControlCode 0x220448/0x220420/0x22040c/0x220408 null pointer dereference

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.
3.9	$0-$5k	0.00

Summaryinfo

A vulnerability described as problematic has been identified in FabulaTech USB for Remote Desktop 6.1.0.0. Impacted is the function 0x220448/0x220420/0x22040c/0x220408 of the component IoControlCode Handler. Such manipulation leads to null pointer dereference. This vulnerability is referenced as CVE-2023-2871. The attack can only be performed from a local environment. Furthermore, an exploit is available. The vendor was contacted early about this disclosure but did not respond in any way.

Detailsinfo

A vulnerability was found in FabulaTech USB for Remote Desktop 6.1.0.0. It has been rated as problematic. Affected by this issue is the function 0x220448/0x220420/0x22040c/0x220408 of the component IoControlCode Handler. The manipulation with an unknown input leads to a null pointer dereference vulnerability. Using CWE to declare the problem leads to CWE-476. A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit. Impacted is availability.

The weakness was published 05/24/2023. The advisory is available at github.com. This vulnerability is handled as CVE-2023-2871. Technical details as well as a public exploit are known.

The exploit is available at drive.google.com. It is declared as proof-of-concept. The vendor was contacted early about this disclosure but did not respond in any way.

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

If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Vendor

FabulaTech

Name

USB for Remote Desktop

Version

6.1.0.0

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.0
VulDB Meta Temp Score: 3.9

VulDB Base Score: 3.3
VulDB Temp Score: 3.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.5
NVD Vector: 🔍

CNA Base Score: 3.3
CNA Vector (VulDB): 🔍

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: Null pointer dereference
CWE: CWE-476 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍

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

05/24/2023 🔍
05/24/2023 +0 days 🔍
05/24/2023 +0 days 🔍
06/17/2023 +24 days 🔍

Sourcesinfo

Advisory: github.com
Status: Not defined

CVE: CVE-2023-2871 (🔍)
GCVE (CVE): GCVE-0-2023-2871
GCVE (VulDB): GCVE-100-229850
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 05/24/2023 19:13
Updated: 06/17/2023 09:26
Changes: 05/24/2023 19:13 (42), 05/25/2023 07:27 (1), 06/17/2023 09:23 (2), 06/17/2023 09:26 (28)
Complete: 🔍
Submitter: Zeze7w
Committer: Zeze7w
Cache ID: 216::103

Submitinfo

Accepted

Submit #156135: USB for Remote Desktop, ftusbbus2.sys, DoS (edit: download URL) (by Zeze7w)

Duplicate

Submit #XXXXXX: Xxx Xxx Xxxxxx Xxxxxxx, Xxxxxxxxx.xxx, Xxx (by Zeze7w)