Intel NUC 8 Compute Element BIOS input validation

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.
7.2$5k-$25k0.00

Summaryinfo

A vulnerability was found in Intel NUC 8 Compute Element BIOS and classified as critical. The impacted element is an unknown function. Such manipulation leads to input validation. This vulnerability is traded as CVE-2023-42766. An attack has to be approached locally. There is no exploit available.

Detailsinfo

A vulnerability was found in Intel NUC 8 Compute Element BIOS (the affected version is unknown) and classified as critical. Affected by this issue is an unknown code. The manipulation with an unknown input leads to a input validation vulnerability. Using CWE to declare the problem leads to CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. Impacted is confidentiality, integrity, and availability. CVE summarizes:

Improper input validation in some Intel NUC 8 Compute Element BIOS firmware may allow a privileged user to potentially enable escalation of privilege via local access.

The weakness was shared 01/20/2024 as intel-sa-01028. The advisory is available at intel.com. This vulnerability is handled as CVE-2023-42766 since 09/22/2023. The technical details are unknown and an exploit is not available. The structure of the vulnerability defines a possible price range of USD $5k-$25k at the moment (estimation calculated on 02/15/2024).

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

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Productinfo

Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.2
VulDB Meta Temp Score: 7.2

VulDB Base Score: 6.4
VulDB Temp Score: 6.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.8
NVD Vector: 🔍

CNA Base Score: 7.5
CNA Vector (Intel Corporation): 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Input validation
CWE: CWE-20
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

09/22/2023 🔍
01/20/2024 +120 days 🔍
01/20/2024 +0 days 🔍
02/15/2024 +26 days 🔍

Sourcesinfo

Vendor: intel.com

Advisory: intel-sa-01028
Status: Confirmed

CVE: CVE-2023-42766 (🔍)
GCVE (CVE): GCVE-0-2023-42766
GCVE (VulDB): GCVE-100-251654

Entryinfo

Created: 01/20/2024 08:13
Updated: 02/15/2024 20:41
Changes: 01/20/2024 08:13 (46), 02/15/2024 20:41 (11)
Complete: 🔍
Cache ID: 216::103

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