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CVE-2020-26245— Prototype Pollution leading to Command Injection in systeminformation

Quick assessment

Affected
sebhildebrandt systeminformation
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.

systeminformation是一个可以获得操作系统信息的 Npm 软件库。 npm package systeminformation 4.30.5 之前版本存在操作系统命令注入漏洞，该漏洞源于npm包系统信息很容易受到原型污染而导致命令注入。这个问题通过重写shell sanitations来解决，以避免原型机污染问题。

CVSS 8.1 · High EPSS 2.23% · P82
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I. Basic Information for CVE-2020-26245

Vulnerability Information
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Vulnerability Title
Prototype Pollution leading to Command Injection in systeminformation
Source: CVE Program / CVE List V5
Vulnerability Description
npm package systeminformation before version 4.30.5 is vulnerable to Prototype Pollution leading to Command Injection. The issue was fixed with a rewrite of shell sanitations to avoid prototyper pollution problems. The issue is fixed in version 4.30.5. If you cannot upgrade, be sure to check or sanitize service parameter strings that are passed to si.inetChecksite().
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:L/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
OS命令中使用的特殊元素转义处理不恰当(OS命令注入)
Source: CVE Program / CVE List V5
Vulnerability Title
systeminformation 操作系统命令注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
systeminformation是一个可以获得操作系统信息的 Npm 软件库。 npm package systeminformation 4.30.5 之前版本存在操作系统命令注入漏洞，该漏洞源于npm包系统信息很容易受到原型污染而导致命令注入。这个问题通过重写shell sanitations来解决，以避免原型机污染问题。
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
sebhildebrandt systeminformation < 4.30.5 -

II. Public POCs for CVE-2020-26245

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III. Intelligence Information for CVE-2020-26245

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Patches & Fixes for CVE-2020-26245 (1)

IV. Related Vulnerabilities

Same product: systeminformation
Same vendor: sebhildebrandt
Same weakness: CWE-78

V. Comments for CVE-2020-26245

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