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CVE-2021-32736— Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution') in think-helper

Quick assessment

Affected
thinkjs think-helper
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.

ThinkJS是ThinkJS组织的一个基于Javascript并支持ES2015用于开发Node应用的代码库。 ThinkJS 的 Think-helper 中存在代码问题漏洞，该漏洞源于该组件接受上层组组建的输入进行对象的初始化以及修改时不能适当控制对象属性的修改 。以下产品及版本受到影响： think-helper 1.1.3之前版本。

CVSS 7.5 · High EPSS 1.01% · P61

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2021-32736

Vulnerability Information
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Vulnerability Title
Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution') in think-helper
Source: CVE Program / CVE List V5
Vulnerability Description
think-helper defines a set of helper functions for ThinkJS. In versions of think-helper prior to 1.1.3, the software receives input from an upstream component that specifies attributes that are to be initialized or updated in an object, but it does not properly control modifications of attributes of the object prototype. The vulnerability is patched in version 1.1.3.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
CWE-1321
Source: CVE Program / CVE List V5
Vulnerability Title
ThinkJS 代码问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
ThinkJS是ThinkJS组织的一个基于Javascript并支持ES2015用于开发Node应用的代码库。 ThinkJS 的 Think-helper 中存在代码问题漏洞，该漏洞源于该组件接受上层组组建的输入进行对象的初始化以及修改时不能适当控制对象属性的修改 。以下产品及版本受到影响： think-helper 1.1.3之前版本。
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
thinkjs think-helper < 1.1.3 -

II. Public POCs for CVE-2021-32736

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III. Intelligence Information for CVE-2021-32736

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Vendor Advisories for CVE-2021-32736 (1)

IV. Related Vulnerabilities

Same weakness: CWE-1321

V. Comments for CVE-2021-32736

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