AMD EPYC Embedded 9003 SEV-SNP input validation

CVSS Meta Temp Score
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CTI Interest Score
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6.0$0-$5k0.00

Summaryinfo

A vulnerability classified as problematic was found in AMD 3rd Gen EPYC Processors, 4th Gen EPYC Processors, EPYC Embedded 7003 and EPYC Embedded 9003. Impacted is an unknown function of the component SEV-SNP. The manipulation results in input validation. This vulnerability is known as CVE-2024-21978. Attacking locally is a requirement. No exploit is available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability, which was classified as problematic, was found in AMD 3rd Gen EPYC Processors, 4th Gen EPYC Processors, EPYC Embedded 7003 and EPYC Embedded 9003 (version unknown). Affected is an unknown function of the component SEV-SNP. The manipulation with an unknown input leads to a input validation vulnerability. CWE is classifying the issue as CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

Improper input validation in SEV-SNP could allow a malicious hypervisor to read or overwrite guest memory potentially leading to data leakage or data corruption.

The advisory is available at amd.com. This vulnerability is traded as CVE-2024-21978 since 01/03/2024. The exploitability is told to be easy. Local access is required to approach this attack. The exploitation requires an enhanced level of successful authentication. The technical details are unknown and an exploit is not available.

Upgrading eliminates this vulnerability.

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Productinfo

Vendor

Name

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

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

VulDB Base Score: 4.2
VulDB Temp Score: 4.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.9
NVD Vector: 🔍

CNA Base Score: 6.0
CNA Vector (AMD): 🔍

CVSSv2info

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

Exploitinginfo

Class: Input validation
CWE: CWE-20
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

01/03/2024 🔍
08/05/2024 +214 days 🔍
08/05/2024 +0 days 🔍
11/27/2024 +114 days 🔍

Sourcesinfo

Advisory: amd.com
Status: Confirmed

CVE: CVE-2024-21978 (🔍)
GCVE (CVE): GCVE-0-2024-21978
GCVE (VulDB): GCVE-100-273630

Entryinfo

Created: 08/05/2024 18:53
Updated: 11/27/2024 06:25
Changes: 08/05/2024 18:53 (61), 11/27/2024 06:25 (13)
Complete: 🔍
Cache ID: 216::103

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