#VU63702 Allocation of Resources Without Limits or Throttling in node-fetch - CVE-2020-15168

Vulnerability identifier: #VU63702

Vulnerability risk: Medium

CVSSv4.0: 2.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2020-15168

CWE-ID: CWE-770

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
node-fetch
Web applications / Modules and components for CMS

Vendor: Nicehop

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

The vulnerability exists due to node-fetch does not honor the size option after following a redirect. A remote attacker can pass specially crafted data to the application and perform a denial of service attack.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

node-fetch: 2.0.0 - 2.6.0

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External links
https://github.com/node-fetch/node-fetch/security/advisories/GHSA-w7rc-rwvf-8q5r
https://www.npmjs.com/package/node-fetch

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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.