VDB-164868 · CVE-2020-12327 · intel-sa-00422

Intel Thunderbolt DCH Driver prior 72 on Windows information disclosure

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 was found in Intel Thunderbolt DCH Driver on Windows and classified as problematic. Affected by this vulnerability is an unknown functionality. The manipulation results in information disclosure. This vulnerability was named CVE-2020-12327. The attack needs to be approached locally. There is no available exploit. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability was found in Intel Thunderbolt DCH Driver on Windows (Hardware Driver Software). It has been classified as problematic. Affected is an unknown code. The manipulation with an unknown input leads to a information disclosure vulnerability. CWE is classifying the issue as CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. This is going to have an impact on confidentiality.

The weakness was presented 11/13/2020 as intel-sa-00422. The advisory is shared for download at intel.com. This vulnerability is traded as CVE-2020-12327. The exploitability is told to be easy. The attack needs to be approached locally. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1592.

Upgrading to version 72 eliminates this vulnerability.

Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

Hardware Driver Software

Vendor

Intel

Name

Thunderbolt DCH Driver

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: 3.8

VulDB Base Score: 3.3
VulDB Temp Score: 3.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 4.4
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: Information disclosure
CWE: CWE-200 / CWE-284 / CWE-266
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: 🔍

Upgrade: Thunderbolt DCH Driver 72

Timelineinfo

04/28/2020 🔍
11/13/2020 +199 days 🔍
11/13/2020 +0 days 🔍
12/06/2020 +23 days 🔍

Sourcesinfo

Vendor: intel.com

Advisory: intel-sa-00422
Status: Confirmed

CVE: CVE-2020-12327 (🔍)
GCVE (CVE): GCVE-0-2020-12327
GCVE (VulDB): GCVE-100-164868

Entryinfo

Created: 11/13/2020 07:02
Updated: 12/06/2020 18:22
Changes: 11/13/2020 07:02 (39), 12/06/2020 18:17 (2), 12/06/2020 18:22 (18)
Complete: 🔍
Cache ID: 216::103