VDB-136442 · CVE-2018-12147 · GCVE-0-2018-12147

Intel CSME HECI Subsystem access control

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.
5.2	$0-$5k	0.00

Summaryinfo

A vulnerability described as critical has been identified in Intel CSME, Server Platform Services and Trusted Execution Engine Firmware. This impacts an unknown function of the component HECI Subsystem. Such manipulation leads to access control. This vulnerability is uniquely identified as CVE-2018-12147. Local access is required to approach this attack. No exploit exists. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Intel CSME, Server Platform Services and Trusted Execution Engine Firmware (Firmware Software) (unknown version). Affected by this issue is an unknown code block of the component HECI Subsystem. The manipulation with an unknown input leads to a access control vulnerability. Using CWE to declare the problem leads to CWE-264. Impacted is confidentiality, integrity, and availability. CVE summarizes:

Insufficient input validation in HECI subsystem in Intel(R) CSME before version 11.21.55, Intel? Server Platform Services before version 4.0 and Intel? Trusted Execution Engine Firmware before version 3.1.55 may allow a privileged user to potentially enable escalation of privileges via local access.

The weakness was disclosed 06/13/2019. This vulnerability is handled as CVE-2018-12147 since 06/11/2018. Local access is required to approach this attack. No form of authentication is required for exploitation. The technical details are unknown and an exploit is not available. This vulnerability is assigned to T1068 by the MITRE ATT&CK project.

Upgrading eliminates this vulnerability.

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

Productinfo

Type

Firmware Software

Vendor

Intel

Name

License

commercial

Website

Vendor: https://www.intel.com/

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.4
VulDB Meta Temp Score: 5.3

VulDB Base Score: 4.2
VulDB Temp Score: 4.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.7
NVD Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

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

NVD Base Score: 🔍

Exploitinginfo

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

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

06/11/2018 🔍
06/13/2019 +367 days 🔍
06/14/2019 +1 days 🔍
06/23/2020 +375 days 🔍

Sourcesinfo

Vendor: intel.com

Status: Not defined
Confirmation: 🔍

CVE: CVE-2018-12147 (🔍)
GCVE (CVE): GCVE-0-2018-12147
GCVE (VulDB): GCVE-100-136442

Entryinfo

Created: 06/14/2019 07:15
Updated: 06/23/2020 18:09
Changes: 06/14/2019 07:15 (53), 06/23/2020 18:09 (1)
Complete: 🔍
Cache ID: 216::103