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CVE-2022-42273

Quick assessment

Affected
NVIDIA NVIDIA DGX servers
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

NVIDIA BMC是美国英伟达（NVIDIA）公司的一个OpenBMC 开放软件框架。 NVIDIA BMC存在安全漏洞，该漏洞源于在libwebsocket中授权的攻击者可以造成缓冲区溢出，从而可能导致拒绝服务或代码执行。

CVSS 8.1 · High EPSS 0.85% · P55

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2022-42273

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
未进行输入大小检查的缓冲区拷贝(传统缓冲区溢出)
Source: CVE Program / CVE List V5
Vulnerability Title
NVIDIA BMC 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
NVIDIA BMC是美国英伟达（NVIDIA）公司的一个OpenBMC 开放软件框架。 NVIDIA BMC存在安全漏洞，该漏洞源于在libwebsocket中授权的攻击者可以造成缓冲区溢出，从而可能导致拒绝服务或代码执行。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
NVIDIA NVIDIA DGX servers All BMC firmware versions prior to 00.19.07 -

II. Public POCs for CVE-2022-42273

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III. Intelligence Information for CVE-2022-42273

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Other References for CVE-2022-42273 (1)

Same Patch Batch · NVIDIA · 2023-01-12 · 3 CVEs total

CVE-2022-42272 8.1 HIGH NVIDIA BMC 安全漏洞
CVE-2022-42268 7.8 HIGH NVIDIA Omniverse Kit 代码注入漏洞

IV. Related Vulnerabilities

Same product: NVIDIA DGX servers
Same vendor: NVIDIA
Same weakness: CWE-120

V. Comments for CVE-2022-42273

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