Intel Core Ultra Processor Stream Cache improper isolation of shared resources on system-on-a-chip (soc)

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.
7.4$5k-$25k0.00

Summaryinfo

A vulnerability, which was classified as critical, was found in Intel Core Ultra Processor. Affected is an unknown function of the component Stream Cache. Executing a manipulation can lead to improper isolation of shared resources on system-on-a-chip (soc). This vulnerability is registered as CVE-2023-42667. The attack needs to be launched locally. No exploit is available.

Detailsinfo

A vulnerability was found in Intel Core Ultra Processor (affected version not known). It has been declared as critical. This vulnerability affects some unknown functionality of the component Stream Cache. The manipulation with an unknown input leads to a improper isolation of shared resources on system-on-a-chip (soc) vulnerability. The CWE definition for the vulnerability is CWE-1189. The System-On-a-Chip (SoC) does not properly isolate shared resources between trusted and untrusted agents. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

Improper isolation in the Intel(R) Core(TM) Ultra Processor stream cache mechanism may allow an authenticated user to potentially enable escalation of privilege via local access.

The advisory is available at intel.com. This vulnerability was named CVE-2023-42667 since 10/25/2023. The exploitation appears to be difficult. Local access is required to approach this attack. 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 11/19/2024).

The vulnerability scanner Nessus provides a plugin with the ID 211574 (Oracle Linux 9 : microcode_ctl (ELSA-2024-9401)), which helps to determine the existence of the flaw in a target environment.

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

The vulnerability is also documented in the vulnerability database at Tenable (211574). If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔍
CNA CVSS-BT Score: 🔍
CNA Vector: 🔍

CVSSv3info

VulDB Meta Base Score: 7.4
VulDB Meta Temp Score: 7.4

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

CNA Base Score: 7.8
CNA Vector (intel): 🔍

CVSSv2info

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock

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

Exploitinginfo

Class: Improper isolation of shared resources on system-on-a-chip (soc)
CWE: CWE-1189
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Nessus ID: 211574
Nessus Name: Oracle Linux 9 : microcode_ctl (ELSA-2024-9401)

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

10/25/2023 🔍
08/14/2024 +294 days 🔍
08/14/2024 +0 days 🔍
11/19/2024 +97 days 🔍

Sourcesinfo

Vendor: intel.com

Advisory: intel-sa-01038
Status: Confirmed

CVE: CVE-2023-42667 (🔍)
GCVE (CVE): GCVE-0-2023-42667
GCVE (VulDB): GCVE-100-274570

Entryinfo

Created: 08/14/2024 16:20
Updated: 11/19/2024 12:05
Changes: 08/14/2024 16:20 (73), 11/19/2024 12:05 (2)
Complete: 🔍
Cache ID: 216::103

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

Discussion

No comments yet. Languages: en.

Please log in to comment.

◂ PreviousOverviewNext ▸

Do you need the next level of professionalism?

Upgrade your account now!