cve/2020/CVE-2020-7765.md

### [CVE-2020-7765](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-7765)
![](https://img.shields.io/static/v1?label=Product&message=%40firebase%2Futil&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=%3C%200.3.4%20&color=brighgreen)
![](https://img.shields.io/static/v1?label=Vulnerability&message=Prototype%20Pollution&color=brighgreen)

### 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.

### POC

#### Reference
- https://snyk.io/vuln/SNYK-JS-FIREBASEUTIL-1038324
- https://snyk.io/vuln/SNYK-JS-FIREBASEUTIL-1038324

#### Github
No PoCs found on GitHub currently.
Update Sat May 25 21:48:12 CEST 2024 2024-05-25 21:48:12 +02:00			`### [CVE-2020-7765](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-7765)`
			`![](https://img.shields.io/static/v1?label=Product&message=%40firebase%2Futil&color=blue)`
			`![](https://img.shields.io/static/v1?label=Version&message=%3C%200.3.4%20&color=brighgreen)`
			`![](https://img.shields.io/static/v1?label=Vulnerability&message=Prototype%20Pollution&color=brighgreen)`

			`### 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.`

			`### POC`

			`#### Reference`
			`- https://snyk.io/vuln/SNYK-JS-FIREBASEUTIL-1038324`
Update CVE sources 2024-06-09 00:33 2024-06-09 00:33:16 +00:00			`- https://snyk.io/vuln/SNYK-JS-FIREBASEUTIL-1038324`
Update Sat May 25 21:48:12 CEST 2024 2024-05-25 21:48:12 +02:00
			`#### Github`
			`No PoCs found on GitHub currently.`