NVIDIA DGX H100 BMC Host KVM Daemon timing discrepancy

CVSS Meta Temp Score
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CTI Interest Score
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6.4$0-$5k0.00

Summaryinfo

A vulnerability identified as problematic has been detected in NVIDIA DGX H100 BMC. Affected is an unknown function of the component Host KVM Daemon. Performing a manipulation results in timing discrepancy. This vulnerability is reported as CVE-2023-25529. The attacker must have access to the local network to execute the attack. No exploit exists.

Detailsinfo

A vulnerability, which was classified as problematic, was found in NVIDIA DGX H100 BMC (affected version not known). This affects some unknown functionality of the component Host KVM Daemon. The manipulation with an unknown input leads to a timing discrepancy vulnerability. CWE is classifying the issue as CWE-208. Two separate operations in a product require different amounts of time to complete, in a way that is observable to an actor and reveals 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:

NVIDIA DGX H100 BMC contains a vulnerability in the host KVM daemon, where an unauthenticated attacker may cause a leak of another user’s session token by observing timing discrepancies between server responses. A successful exploit of this vulnerability may lead to information disclosure, escalation of privileges, and data tampering.

The weakness was disclosed 09/20/2023. The advisory is shared at nvidia.custhelp.com. This vulnerability is uniquely identified as CVE-2023-25529 since 02/07/2023. 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

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.4
VulDB Meta Temp Score: 6.4

VulDB Base Score: 3.1
VulDB Temp Score: 3.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.1
NVD Vector: 🔍

CNA Base Score: 8.0
CNA Vector (NVIDIA Corporation): 🔍

CVSSv2info

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

Exploitinginfo

Class: Timing discrepancy
CWE: CWE-208 / CWE-203 / CWE-200
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
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

02/07/2023 🔍
09/20/2023 +224 days 🔍
09/20/2023 +0 days 🔍
10/13/2023 +23 days 🔍

Sourcesinfo

Vendor: nvidia.com

Advisory: nvidia.custhelp.com
Status: Confirmed

CVE: CVE-2023-25529 (🔍)
GCVE (CVE): GCVE-0-2023-25529
GCVE (VulDB): GCVE-100-239997

Entryinfo

Created: 09/20/2023 07:03
Updated: 10/13/2023 09:36
Changes: 09/20/2023 07:03 (46), 10/13/2023 09:36 (11)
Complete: 🔍
Cache ID: 216::103

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