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CVE-2020-7765— Prototype Pollution

Quick assessment

Affected
n/a @firebase/util
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.

Google Firebase Js Sdk是美国谷歌（Google）公司的一个用于连接Firebase后端服务的客户端代码库。 firebase/util 0.3.4之前版本存在安全漏洞，该漏洞源于DeepCopy.ts中的deepExtend函数。攻击者可利用该漏洞可以覆盖和污染程序的对象原型。

CVSS 5.6 · Medium EPSS 0.57% · P48

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2020-7765

Vulnerability Information
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Vulnerability Title
Prototype Pollution
Source: CVE Program / CVE List V5
Vulnerability Description
This affects the package @firebase/util before 0.3.4. This vulnerability relates to the deepExtend function within the DeepCopy.ts file. Depending on if user input is provided, an attacker can overwrite and pollute the object prototype of a program.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
Google Firebase Js Sdk 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Google Firebase Js Sdk是美国谷歌（Google）公司的一个用于连接Firebase后端服务的客户端代码库。 firebase/util 0.3.4之前版本存在安全漏洞，该漏洞源于DeepCopy.ts中的deepExtend函数。攻击者可利用该漏洞可以覆盖和污染程序的对象原型。
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
- @firebase/util unspecified ~ 0.3.4 -

II. Public POCs for CVE-2020-7765

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III. Intelligence Information for CVE-2020-7765

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Patches & Fixes for CVE-2020-7765 (2)

Vendor Advisories for CVE-2020-7765 (1)

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Showing top 20 of 54 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same vendor: n/a