Intel Xeon on-chip debug and test interface with improper access control

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.5$0-$5k0.00

Summaryinfo

A vulnerability was found in Intel Xeon. It has been rated as problematic. This issue affects some unknown processing. The manipulation leads to on-chip debug and test interface with improper access control. This vulnerability is referenced as CVE-2023-32666. The attack can only be performed from a local environment. No exploit is available.

Detailsinfo

A vulnerability was found in Intel Xeon (version unknown) and classified as problematic. This issue affects an unknown function. The manipulation with an unknown input leads to a on-chip debug and test interface with improper access control vulnerability. Using CWE to declare the problem leads to CWE-1191. The chip does not implement or does not correctly perform access control to check whether users are authorized to access internal registers and test modes through the physical debug/test interface. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

On-chip debug and test interface with improper access control in some 4th Generation Intel(R) Xeon(R) Processors when using Intel(R) SGX or Intel(R) TDX may allow a privileged user to potentially enable escalation of privilege via local access.

The advisory is shared at intel.com. The identification of this vulnerability is CVE-2023-32666 since 08/04/2023. The exploitation is known to be difficult. An attack has to be approached locally. The exploitation requires an enhanced level of successful authentication. Neither technical details nor an exploit are publicly available.

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

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

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Vendor

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.5
VulDB Meta Temp Score: 5.5

VulDB Base Score: 3.9
VulDB Temp Score: 3.9
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 7.2
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: On-chip debug and test interface with improper access control
CWE: CWE-1191
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

08/04/2023 🔍
03/14/2024 +223 days 🔍
03/14/2024 +0 days 🔍
03/14/2024 +0 days 🔍

Sourcesinfo

Vendor: intel.com

Advisory: intel-sa-00986
Status: Confirmed

CNA: Intel Corporation
CVE: CVE-2023-32666 (🔍)

GCVE (CVE): GCVE-0-2023-32666
GCVE (VulDB): GCVE-100-256865

Entryinfo

Created: 03/14/2024 21:13
Changes: 03/14/2024 21:13 (47)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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