Denial of service in Nicehop node-fetch for NPM

1) Allocation of Resources Without Limits or Throttling

EUVDB-ID: #VU63702

Risk: Medium

CVSSv3.1: 4.6 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-15168

CWE-ID: CWE-770 - Allocation of Resources Without Limits or Throttling

Exploit availability: No

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

External links

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

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.