Intel CPU Cleanup information disclosure

entryeditHistoryDiffjsonxmlCTI
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.
4.4$0-$5k0.00

A vulnerability, which was classified as problematic, has been found in Intel CPU (Chip Software) (unknown version). This issue affects an unknown part of the component Cleanup. The manipulation with an unknown input leads to a information disclosure vulnerability. Using CWE to declare the problem leads to CWE-200. Impacted is confidentiality. The summary by CVE is:

Incomplete cleanup from specific special register read operations in some Intel(R) Processors may allow an authenticated user to potentially enable information disclosure via local access.

The weakness was shared 06/15/2020 (Website). It is possible to read the advisory at intel.com. The identification of this vulnerability is CVE-2020-0543 since 10/28/2019. Attacking locally is a requirement. A simple authentication is necessary for exploitation. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 10/24/2020).

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

us-cert.cisa.gov is providing further details.

Productinfoedit

Type

Vendor

Name

CPE 2.3infoedit

CPE 2.2infoedit

CVSSv3infoedit

VulDB Meta Base Score: 4.4
VulDB Meta Temp Score: 4.4

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

NVD Base Score: 5.5
NVD Vector: 🔒

CVSSv2infoedit

AVACAuCIA
🔍🔍🔍🔍🔍🔍
🔍🔍🔍🔍🔍🔍
🔍🔍🔍🔍🔍🔍
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
unlockunlockunlockunlockunlockunlock
unlockunlockunlockunlockunlockunlock
unlockunlockunlockunlockunlockunlock

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

NVD Base Score: 🔒

Exploitinginfoedit

Class: Information disclosure
CWE: CWE-200
ATT&CK: Unknown

Local: Yes
Remote: No

Availability: 🔒
Status: Not defined

Price Prediction: 🔍
Current Price Estimation: 🔒

0-Dayunlockunlockunlockunlock
Todayunlockunlockunlockunlock

Threat Intelligenceinfoedit

Threat: 🔍
Adversaries: 🔍
Geopolitics: 🔍
Economy: 🔍
Predictions: 🔍
Remediation: 🔍

Countermeasuresinfoedit

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfoedit

10/28/2019 CVE assigned
06/15/2020 +231 days Advisory disclosed
06/16/2020 +1 days VulDB entry created
10/24/2020 +130 days VulDB last update

Sourcesinfoedit

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

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

CVE: CVE-2020-0543 (🔒)
Misc.: 🔒

Entryinfoedit

Created: 06/16/2020 08:31 AM
Updated: 10/24/2020 04:02 PM
Changes: (1) advisory_confirm_url
Complete: 🔍

Comments

No comments yet. Please log in to comment.

Do you know our Splunk app?

Download it now for free!