Intel Xeon E3/Xeon Scalable/Xeon D DCI access control

CVSS Meta Temp Score
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Current Exploit Price (≈)
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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.
5.9$0-$5k0.00

Summaryinfo

A vulnerability classified as critical has been found in Intel Xeon E3, Xeon Scalable and Xeon D. Affected is an unknown function of the component DCI. Performing a manipulation results in access control. This vulnerability is reported as CVE-2018-3652. The attack may be carried out on the physical device. No exploit exists.

Detailsinfo

A vulnerability, which was classified as critical, was found in Intel Xeon E3, Xeon Scalable and Xeon D (Chip Software) (version now known). This affects some unknown processing of the component DCI. The manipulation with an unknown input leads to a access control vulnerability. CWE is classifying the issue as CWE-264. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

Existing UEFI setting restrictions for DCI (Direct Connect Interface) in 5th and 6th generation Intel Xeon Processor E3 Family, Intel Xeon Scalable processors, and Intel Xeon Processor D Family allows a limited physical presence attacker to potentially access platform secrets via debug interfaces.

The bug was discovered 07/09/2018. The weakness was disclosed 07/10/2018 (Website). The advisory is shared at intel.com. This vulnerability is uniquely identified as CVE-2018-3652 since 12/28/2017. An attack has to be approached locally. No form of authentication is needed for exploitation. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1068 for this issue.

The vulnerability was handled as a non-public zero-day exploit for at least 1 days. During that time the estimated underground price was around $0-$5k.

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

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

Productinfo

Type

Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.9
VulDB Meta Temp Score: 5.9

VulDB Base Score: 4.3
VulDB Temp Score: 4.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.6
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Access control
CWE: CWE-264
CAPEC: 🔍
ATT&CK: 🔍

Physical: Yes
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

12/28/2017 🔍
07/09/2018 +193 days 🔍
07/10/2018 +0 days 🔍
07/10/2018 +0 days 🔍
07/11/2018 +1 days 🔍
03/02/2020 +600 days 🔍

Sourcesinfo

Vendor: intel.com

Advisory: intel.com
Status: Not defined
Confirmation: 🔍

CVE: CVE-2018-3652 (🔍)
GCVE (CVE): GCVE-0-2018-3652
GCVE (VulDB): GCVE-100-121197

Entryinfo

Created: 07/11/2018 11:17
Updated: 03/02/2020 11:05
Changes: 07/11/2018 11:17 (56), 03/02/2020 11:05 (2)
Complete: 🔍
Cache ID: 216::103

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