AMD Ryzen/EPYC information exposure

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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2.6$0-$5k0.00

Summaryinfo

A vulnerability marked as problematic has been reported in AMD Ryzen and EPYC. The impacted element is an unknown function. Performing a manipulation results in information exposure. This vulnerability is cataloged as CVE-2023-20583. There is no exploit available.

Detailsinfo

A vulnerability was found in AMD Ryzen and EPYC (the affected version is unknown). It has been classified as problematic. This affects an unknown code. The manipulation with an unknown input leads to a information exposure vulnerability. CWE is classifying the issue as CWE-203. The product behaves differently or sends different responses under different circumstances in a way that is observable to an unauthorized actor, which exposes security-relevant information about the state of the product, such as whether a particular operation was successful or not. This is going to have an impact on confidentiality. The summary by CVE is:

A potential power side-channel vulnerability in AMD processors may allow an authenticated attacker to monitor the CPU power consumption as the data in a cache line changes over time potentially resulting in a leak of sensitive information.

The weakness was shared 08/01/2023. The advisory is shared at amd.com. This vulnerability is uniquely identified as CVE-2023-20583 since 10/27/2022. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1592 for this issue.

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: 2.6
VulDB Meta Temp Score: 2.6

VulDB Base Score: 2.6
VulDB Temp Score: 2.6
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

Exploitinginfo

Class: Information exposure
CWE: CWE-203 / CWE-200 / CWE-284
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Partially

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 🔍
08/01/2023 +278 days 🔍
08/01/2023 +0 days 🔍
08/01/2023 +0 days 🔍

Sourcesinfo

Advisory: amd.com
Status: Confirmed

CVE: CVE-2023-20583 (🔍)
GCVE (CVE): GCVE-0-2023-20583
GCVE (VulDB): GCVE-100-235869

Entryinfo

Created: 08/01/2023 21:44
Changes: 08/01/2023 21:44 (36)
Complete: 🔍
Cache ID: 216::103

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