CVE-2020-7774

CVE Details

Release Date:	2020-11-17
Impact:	None	What is this?

Description

This affects the package y18n before 3.2.2, 4.0.1 and 5.0.5. PoC by po6ix: const y18n = require('y18n')(); y18n.setLocale('__proto__'); y18n.updateLocale({polluted: true}); console.log(polluted); // true

See more information about CVE-2020-7774 from MITRE CVE dictionary and NIST NVD

NOTE: The following CVSS metrics and score provided are preliminary and subject to review.

CVSS v3 metrics

Base Score:	7.3
Vector String:	CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
Version:	3.0
Attack Vector:	Network
Attack Complexity:	Low
Privileges Required:	None
User Interaction:	None
Scope:	Unchanged
Confidentiality Impact:	Low
Integrity Impact:	Low
Availability Impact:	Low

Errata information

Platform	Errata	Release Date
Oracle Linux version 8 (nodejs)	ELSA-2020-5499	2020-12-17
Oracle Linux version 8 (nodejs)	ELSA-2021-0548	2021-02-20
Oracle Linux version 8 (nodejs)	ELSA-2021-0551	2021-02-20
Oracle Linux version 8 (nodejs-nodemon)	ELSA-2020-5499	2020-12-17
Oracle Linux version 8 (nodejs-nodemon)	ELSA-2021-0548	2021-02-20
Oracle Linux version 8 (nodejs-nodemon)	ELSA-2021-0551	2021-02-20
Oracle Linux version 8 (nodejs-packaging)	ELSA-2021-0548	2021-02-20
Oracle Linux version 8 (nodejs-packaging)	ELSA-2021-0551	2021-02-20