NVIDIA BMC libwebsocket buffer overflow

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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8.6$0-$5k0.00

Summaryinfo

A vulnerability has been found in NVIDIA BMC and classified as critical. This impacts an unknown function of the component libwebsocket. The manipulation leads to buffer overflow. This vulnerability is traded as CVE-2022-42273. It is possible to initiate the attack remotely. There is no exploit available.

Detailsinfo

A vulnerability was found in NVIDIA BMC (the affected version unknown). It has been rated as critical. This issue affects an unknown part of the component libwebsocket. 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 summary by CVE is:

NVIDIA BMC contains a vulnerability in libwebsocket, where an authorized attacker can cause a buffer overflow and cause a denial of service or gain code execution.

The weakness was shared 01/13/2023. The advisory is shared at nvidia.custhelp.com. The identification of this vulnerability is CVE-2022-42273 since 10/03/2022. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 02/05/2023).

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

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

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License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.6
VulDB Meta Temp Score: 8.6

VulDB Base Score: 8.8
VulDB Temp Score: 8.8
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.8
NVD Vector: 🔍

CNA Base Score: 8.1
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: Buffer overflow
CWE: CWE-120 / CWE-119
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

10/03/2022 🔍
01/13/2023 +102 days 🔍
01/13/2023 +0 days 🔍
02/05/2023 +23 days 🔍

Sourcesinfo

Vendor: nvidia.com

Advisory: nvidia.custhelp.com
Status: Confirmed

CVE: CVE-2022-42273 (🔍)
GCVE (CVE): GCVE-0-2022-42273
GCVE (VulDB): GCVE-100-218249

Entryinfo

Created: 01/13/2023 10:03
Updated: 02/05/2023 15:41
Changes: 01/13/2023 10:03 (47), 02/05/2023 15:41 (11)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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