Code Injection in utils-extend package for NPM

1) Code Injection

EUVDB-ID: #VU28104

Risk: Medium

CVSSv3.1: 9 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:U/RC:C]

CVE-ID: N/A

CWE-ID: CWE-94 - Improper Control of Generation of Code ('Code Injection')

Exploit availability: No

Description

The disclosed vulnerability allows a remote attacker to execute arbitrary JavaScript code.

The vulnerability exists due to insufficient sanitization of user-supplied data. The extend function does not restrict the modification of an Object's prototype, which may allow an attacker to add or modify an existing property that will exist on all objects. A remote attacker can inject and execute arbitrary script code.

Mitigation

Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

Vulnerable software versions

utils-extend: 1.0.0 - 1.0.8

External links

http://www.npmjs.com/advisories/1502

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.