Prototype Pollution in grunt-util-property package for npm



Risk Medium
Patch available NO
Number of vulnerabilities 1
CVE-ID CVE-2020-7641
CWE-ID CWE-400
Exploitation vector Network
Public exploit Public exploit code for vulnerability #1 is available.
Vulnerable software
 grunt-util-property
Web applications / Modules and components for CMS

Vendor Mikael Karon

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Prototype Pollution

EUVDB-ID: #VU26999

Risk: Medium

CVSSv4.0: 5.5 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/U:Green]

CVE-ID: CVE-2020-7641

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 "call" function. A remote attacker can send a specially crafted request and add or modify properties of Object.prototype.

Mitigation

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

Vulnerable software versions

grunt-util-property: 0.0.1 - 0.0.2

CPE2.3 External links

https://snyk.io/vuln/SNYK-JS-GRUNTUTILPROPERTY-565088
https://github.com/mikaelkaron/grunt-util-property/blob/master/main.js#L41


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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