Prototype Pollution in rdf-graph-array package

1) Prototype Pollution

EUVDB-ID: #VU25687

Risk: High

CVSSv3.1: 9.3 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:P/RL:U/RC:C]

CVE-ID: CVE-2019-10798

CWE-ID: CWE-400 - Resource exhaustion

Exploit availability: No

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to improper input validation within the "rdf.Graph.prototype.add" method. 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

rdf-graph-array: 0.3.0 rc1 - 0.3.0 rc6

External links

http://github.com/rdf-ext-archive/rdf-graph-array/blob/master/index.js#L211
http://snyk.io/vuln/SNYK-JS-RDFGRAPHARRAY-551803

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.