Vulnerability identifier: #VU33680

Vulnerability risk: Medium

CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-8192

CWE-ID: CWE-400

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Fastify
Server applications / Frameworks for developing and running applications

Vendor: fastify.io

Description

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

The vulnerability exists due to application does not properly control consumption of internal resources when "allErrors: true" is set by default. A remote attacker can trigger resource exhaustion and perform a denial of service (DoS) attack.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Fastify: 2.14.1, 3.0.0 rc4

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External links
http://hackerone.com/reports/903521

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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.