Vulnerability identifier: #VU20426

Vulnerability 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-2019-10747

CWE-ID: CWE-400

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
set-value
Web applications / Modules and components for CMS

Vendor: Jon Schlinkert

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to the "set-value" function fails to validate which Object properties it updates.  A remote attacker can modify the prototype of Object using any of the constructor, prototype and "_proto_ payloads", causing the addition or modification of an existing property on all objects, trigger resource exhaustion and perform a denial of service attack.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

set-value: 0.1.0 - 3.0.0

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External links
http://snyk.io/vuln/SNYK-JS-SETVALUE-450213

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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.