AMD 3rd Gen EPYC Processors/4th Gen EPYC Processors ASP memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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6.1$0-$5k0.00

Summaryinfo

A vulnerability labeled as critical has been found in AMD 3rd Gen EPYC Processors and 4th Gen EPYC Processors. The affected element is an unknown function of the component ASP Handler. The manipulation results in memory corruption. This vulnerability is reported as CVE-2023-20566. No exploit exists.

Detailsinfo

A vulnerability, which was classified as critical, was found in AMD 3rd Gen EPYC Processors and 4th Gen EPYC Processors (the affected version unknown). Affected is an unknown part of the component ASP Handler. The manipulation with an unknown input leads to a memory corruption vulnerability. CWE is classifying the issue as CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

Improper address validation in ASP with SNP enabled may potentially allow an attacker to compromise guest memory integrity.

The weakness was disclosed 11/14/2023. The advisory is available at amd.com. This vulnerability is traded as CVE-2023-20566 since 10/27/2022. The technical details are unknown and an exploit is not available.

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

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Productinfo

Vendor

Name

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.1
VulDB Meta Temp Score: 6.1

VulDB Base Score: 5.5
VulDB Temp Score: 5.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CNA Base Score: 5.3
CNA Vector: 🔍

CVSSv2info

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

Exploitinginfo

Class: Memory corruption
CWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Yes

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: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

10/27/2022 🔍
11/14/2023 +383 days 🔍
11/14/2023 +0 days 🔍
06/19/2024 +218 days 🔍

Sourcesinfo

Advisory: amd.com
Status: Confirmed

CVE: CVE-2023-20566 (🔍)
GCVE (CVE): GCVE-0-2023-20566
GCVE (VulDB): GCVE-100-245262

Entryinfo

Created: 11/14/2023 20:09
Updated: 06/19/2024 03:36
Changes: 11/14/2023 20:09 (37), 12/09/2023 09:36 (11), 06/19/2024 03:36 (26)
Complete: 🔍
Cache ID: 216::103

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