Prototype Pollution in bmoor package for npm



Published: 2020-10-07
Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2020-7736
CWE-ID CWE-400
Exploitation vector Network
Public exploit Public exploit code for vulnerability #1 is available.
Vulnerable software
Subscribe 		bmoor
Web applications / Modules and components for CMS

Vendor Brian Heilman

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Prototype Pollution

EUVDB-ID: #VU47413

Risk: Medium

CVSSv3.1: 6.6 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C]

CVE-ID: CVE-2020-7736

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 "set" 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

bmoor: 0.0.2 - 0.8.11

External links

http://github.com/b-heilman/bmoor/commit/7d4a086a1dc3ef11ed0b323824d02348734b7da5
http://snyk.io/vuln/SNYK-JS-BMOOR-598664


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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