Prototype Pollution in i18next package for npm



Published: 2020-07-28
Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID N/A
CWE-ID CWE-400
Exploitation vector Network
Public exploit Public exploit code for vulnerability #1 is available.
Vulnerable software
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Web applications / Modules and components for CMS

Vendor i18next

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Prototype Pollution

EUVDB-ID: #VU32784

Risk: Medium

CVSSv3.1: 5.9 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N/E:P/RL:O/RC:C]

CVE-ID: N/A

CWE-ID: CWE-400 - Resource exhaustion

Exploit availability: No

Description

The vulnerability allows a remote attacker to compromise the target system.

The vulnerability exists due to improper input validation in the "AddResourceBundle" API which uses the "deepExtend" function. A remote attacker can overwrite and pollute the object prototype of a program.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

i18next: 1.6.0 - 19.5.6

External links

http://snyk.io/vuln/SNYK-JS-I18NEXT-585930
http://github.com/i18next/i18next/pull/1482


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability. However, proof of concept for this vulnerability is available.



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