Intel NUC prior KY0045 BIOS 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.
3.7	$0-$5k	0.00

Summaryinfo

A vulnerability categorized as critical has been discovered in Intel NUC. This issue affects some unknown processing of the component BIOS. Executing a manipulation can lead to access control. This vulnerability appears as CVE-2017-5685. The physical device can be targeted for the attack. There is no available exploit. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability was found in Intel NUC. It has been declared as problematic. This vulnerability affects an unknown functionality of the component BIOS. The manipulation with an unknown input leads to a access control vulnerability. The CWE definition for the vulnerability is CWE-284. The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

The BIOS in Intel NUC systems based on 6th Gen Intel Core processors prior to version KY0045 may allow may allow an attacker with physical access to the system to gain access to personal information.

The bug was discovered 04/03/2017. The weakness was presented 04/03/2017 with Positive Technologies (Website). The advisory is shared for download at security-center.intel.com. This vulnerability was named CVE-2017-5685 since 02/01/2017. The attack needs to be approached locally. No form of authentication is required for a successful exploitation. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1068.

Upgrading to version KY0045 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at SecurityFocus (BID 97408†). See VDB-99267 and VDB-99269 for similar entries. Once again VulDB remains the best source for vulnerability data.

Productinfo

Vendor

• Intel

Name

• NUC

License

• commercial

Website

• Vendor: https://www.intel.com/

CPE 2.3info

• 🔍

CPE 2.2info

• 🔍

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 3.8
VulDB Meta Temp Score: 3.7

VulDB Base Score: 3.7
VulDB Temp Score: 3.6
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 3.9
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-284 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Physical: Yes
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: 🔍

Upgrade: NUC KY0045

Timelineinfo

02/01/2017 🔍
04/03/2017 +61 days 🔍
04/03/2017 +0 days 🔍
04/03/2017 +0 days 🔍
04/03/2017 +0 days 🔍
04/04/2017 +1 days 🔍
08/25/2020 +1239 days 🔍

Sourcesinfo

Vendor: intel.com

Advisory: security-center.intel.com
Organization: Positive Technologies
Status: Not defined
Confirmation: 🔍

CVE: CVE-2017-5685 (🔍)
GCVE (CVE): GCVE-0-2017-5685
GCVE (VulDB): GCVE-100-99268
SecurityFocus: 97408 - Intel NUC and Compute Stick DCI Multiple Local Information Disclosure Vulnerabilities
OSVDB: - CVE-2017-5685 - Intel - NUC - Information Disclosure Issue

See also: 🔍

Entryinfo

Created: 04/04/2017 08:51
Updated: 08/25/2020 16:07
Changes: 04/04/2017 08:51 (59), 08/25/2020 16:07 (6)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

Discussion

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