Intel HDMI Firmware Update Tool for NUC prior 1.79.1.1 default permission

CVSS Meta Temp Score
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CTI Interest Score
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7.1$0-$5k0.00

Summaryinfo

A vulnerability categorized as critical has been discovered in Intel HDMI Firmware Update Tool for NUC. This issue affects some unknown processing. Executing a manipulation can lead to default permission. This vulnerability appears as CVE-2022-40971. The attack requires local access. There is no available exploit. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability classified as critical was found in Intel HDMI Firmware Update Tool for NUC (Firmware Software). This vulnerability affects an unknown functionality. The manipulation with an unknown input leads to a default permission vulnerability. The CWE definition for the vulnerability is CWE-276. During installation, installed file permissions are set to allow anyone to modify those files. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

Incorrect default permissions for the Intel(R) HDMI Firmware Update Tool for NUC before version 1.79.1.1 may allow an authenticated user to potentially enable escalation of privilege via local access.

The weakness was presented 05/10/2023 as intel-sa-00833. The advisory is shared for download at intel.com. This vulnerability was named CVE-2022-40971 since 09/27/2022. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1222.

Upgrading to version 1.79.1.1 eliminates this vulnerability.

Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

Vendor

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License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.2
VulDB Meta Temp Score: 7.1

VulDB Base Score: 7.0
VulDB Temp Score: 6.7
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.8
NVD Vector: 🔍

CNA Base Score: 6.7
CNA Vector (Intel Corporation): 🔍

CVSSv2info

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

Exploitinginfo

Class: Default permission
CWE: CWE-276 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Partially

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: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: HDMI Firmware Update Tool for NUC 1.79.1.1

Timelineinfo

09/27/2022 🔍
05/10/2023 +225 days 🔍
05/10/2023 +0 days 🔍
06/02/2023 +23 days 🔍

Sourcesinfo

Vendor: intel.com

Advisory: intel-sa-00833
Status: Confirmed

CVE: CVE-2022-40971 (🔍)
GCVE (CVE): GCVE-0-2022-40971
GCVE (VulDB): GCVE-100-228628

Entryinfo

Created: 05/10/2023 19:22
Updated: 06/02/2023 14:09
Changes: 05/10/2023 19:22 (49), 06/02/2023 14:09 (12)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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