VDB-248878 · CVE-2023-43088 · dsa-2023-377

Dell CPG BIOS prior 1.5.0 DMA config

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.
6.6	$0-$5k	0.00

Summaryinfo

A vulnerability classified as critical was found in Dell CPG BIOS. This vulnerability affects unknown code of the component DMA. Executing a manipulation can lead to config. This vulnerability appears as CVE-2023-43088. The physical device can be targeted for the attack. There is no available exploit. Upgrading the affected component is advised.

Detailsinfo

A vulnerability classified as critical was found in Dell CPG BIOS. This vulnerability affects an unknown function of the component DMA. The manipulation with an unknown input leads to a config vulnerability. The CWE definition for the vulnerability is CWE-16. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

Dell Client BIOS contains a pre-boot direct memory access (DMA) vulnerability. An authenticated attacker with physical access to the system may potentially exploit this vulnerability in order to execute arbitrary code on the device.

The weakness was presented 12/22/2023 as dsa-2023-377. The advisory is available at dell.com. This vulnerability was named CVE-2023-43088 since 09/15/2023. The technical details are unknown and an exploit is not available. This vulnerability is assigned to T1592.004 by the MITRE ATT&CK project.

Upgrading to version 1.5.0 eliminates this vulnerability.

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Productinfo

Vendor

Dell

Name

CPG BIOS

License

commercial

Website

Vendor: https://www.dell.com/

CPE 2.3info

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CPE 2.2info

🔍

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.7
VulDB Meta Temp Score: 6.6

VulDB Base Score: 6.2
VulDB Temp Score: 5.9
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.8
NVD Vector: 🔍

CNA Base Score: 7.2
CNA Vector (Dell): 🔍

CVSSv2info

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

Exploitinginfo

Class: Config
CWE: CWE-16
CAPEC: 🔍
ATT&CK: 🔍

Physical: Yes
Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

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: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: CPG BIOS 1.5.0

Timelineinfo

09/15/2023 🔍
12/22/2023 +98 days 🔍
12/22/2023 +0 days 🔍
01/18/2024 +27 days 🔍

Sourcesinfo

Vendor: dell.com

Advisory: dsa-2023-377
Status: Confirmed

CVE: CVE-2023-43088 (🔍)
GCVE (CVE): GCVE-0-2023-43088
GCVE (VulDB): GCVE-100-248878

Entryinfo

Created: 12/22/2023 19:46
Updated: 01/18/2024 10:25
Changes: 12/22/2023 19:46 (49), 01/18/2024 10:25 (10)
Complete: 🔍
Cache ID: 216::103