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CVE-2021-23470— Prototype Pollution

Quick assessment

Affected
n/a putil-merge
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.

putil-merge是一个开源的用于合并两个或多个对象的解决方案。它支持深度合并、克隆属性、复制描述符和过滤。 putil-merge 3.8.0之前版本存在安全漏洞，该漏洞源于merge()函数不检查传入参数的值。攻击者可利用该漏洞可以通过调整值来包含构造函数属性来提供恶意的值。

CVSS 8.2 · High EPSS 1.27% · P69

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2021-23470

Vulnerability Information
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Vulnerability Title
Prototype Pollution
Source: CVE Program / CVE List V5
Vulnerability Description
This affects the package putil-merge before 3.8.0. The merge() function does not check the values passed into the argument. An attacker can supply a malicious value by adjusting the value to include the constructor property. Note: This vulnerability derives from an incomplete fix in https://security.snyk.io/vuln/SNYK-JS-PUTILMERGE-1317077
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
putil-merge 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
putil-merge是一个开源的用于合并两个或多个对象的解决方案。它支持深度合并、克隆属性、复制描述符和过滤。 putil-merge 3.8.0之前版本存在安全漏洞，该漏洞源于merge()函数不检查传入参数的值。攻击者可利用该漏洞可以通过调整值来包含构造函数属性来提供恶意的值。
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
- putil-merge unspecified ~ 3.8.0 -

II. Public POCs for CVE-2021-23470

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III. Intelligence Information for CVE-2021-23470

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Patches & Fixes for CVE-2021-23470 (1)

Vendor Advisories for CVE-2021-23470 (1)

Same Patch Batch · n/a · 2022-02-04 · 140 CVEs total

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CVE-2021-44899 Micro Star International Center 安全漏洞
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Showing top 20 of 140 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: putil-merge
Same vendor: n/a

V. Comments for CVE-2021-23470

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