microcode keying CSME Installer prior 2328.5.5.0 default permission

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.7$0-$5k0.00

Summaryinfo

A vulnerability has been found in microcode keying CSME Installer and classified as critical. Affected by this vulnerability is an unknown functionality. This manipulation causes default permission. This vulnerability is handled as CVE-2023-28389. It is possible to launch the attack on the local host. There is not any exploit available. The affected component should be upgraded.

Detailsinfo

A vulnerability classified as critical was found in microcode keying CSME Installer. Affected by this vulnerability is an unknown part. 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. The summary by CVE is:

Incorrect default permissions in some Intel(R) CSME installer software before version 2328.5.5.0 may allow an authenticated user to potentially enable escalation of privilege via local access.

The advisory is shared at intel.com. This vulnerability is known as CVE-2023-28389 since 05/11/2023. The exploitation appears to be difficult. An attack has to be approached locally. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1222 for this issue.

Upgrading to version 2328.5.5.0 eliminates this vulnerability.

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

Productinfo

Vendor

Name

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.9
VulDB Meta Temp Score: 6.7

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

CNA Base Score: 6.7
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: 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: CSME Installer 2328.5.5.0

Timelineinfo

05/11/2023 🔍
03/14/2024 +308 days 🔍
03/14/2024 +0 days 🔍
03/14/2024 +0 days 🔍

Sourcesinfo

Advisory: intel-sa-00923
Status: Confirmed

CVE: CVE-2023-28389 (🔍)
GCVE (CVE): GCVE-0-2023-28389
GCVE (VulDB): GCVE-100-256861

Entryinfo

Created: 03/14/2024 21:10
Changes: 03/14/2024 21:10 (49)
Complete: 🔍
Cache ID: 216::103

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