Intel CPU BIOS buffer overflow

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.7$0-$5k0.00

Summaryinfo

A vulnerability was found in Intel CPU and classified as critical. The impacted element is an unknown function of the component BIOS. Such manipulation leads to buffer overflow. This vulnerability is listed as CVE-2020-0593. The attack must be carried out locally. There is no available exploit. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability was found in Intel CPU (Chip Software) (the affected version is unknown). It has been rated as critical. Affected by this issue is an unknown code of the component BIOS. The manipulation with an unknown input leads to a buffer overflow vulnerability. Using CWE to declare the problem leads to CWE-120. The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow. Impacted is confidentiality, integrity, and availability.

The weakness was presented 11/12/2020 as intel-sa-00358. The advisory is available at intel.com. This vulnerability is handled as CVE-2020-0593. The exploitation is known to be easy. Local access is required to approach this attack. The technical details are unknown and an exploit is not available.

Upgrading eliminates this vulnerability.

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Productinfo

Type

Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.0
VulDB Meta Temp Score: 5.9

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.7
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Buffer overflow
CWE: CWE-120 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

10/28/2019 🔍
11/12/2020 +381 days 🔍
11/12/2020 +0 days 🔍
12/06/2020 +24 days 🔍

Sourcesinfo

Vendor: intel.com

Advisory: intel-sa-00358
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2020-0593 (🔍)
GCVE (CVE): GCVE-0-2020-0593
GCVE (VulDB): GCVE-100-164798

Entryinfo

Created: 11/12/2020 21:09
Updated: 12/06/2020 07:20
Changes: 11/12/2020 21:09 (38), 12/06/2020 07:17 (3), 12/06/2020 07:20 (18)
Complete: 🔍
Cache ID: 216::103

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