Intel CPU Cleanup information disclosure

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CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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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.

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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: 🔒

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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: 🔒

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Threat Intelligenceinfoedit

Threat: 🔍
Adversaries: 🔍
Geopolitics: 🔍
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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: 🔍

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