PT-2020-20016 · Fastify · Fastify

Published 2020-07-30 · Updated 2020-08-06 · CVE-2020-8192

Positive Technologies (AI Summary)

CVSS v3.1

6.5

Medium

Base vector

AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Name of the Vulnerable Software and Affected Versions Fastify versions 2.14.1 and 3.0.0-rc.4

Description A denial of service issue exists that allows a malicious user to trigger resource exhaustion with specially crafted schemas when the allErrors option is used.

Recommendations For Fastify version 2.14.1, consider disabling the allErrors option as a temporary workaround until a patch is available. For Fastify version 3.0.0-rc.4, consider disabling the allErrors option as a temporary workaround until a patch is available.

Exploit

Fix

Resource Exhaustion

Weakness Enumeration

CWE-400

Related Identifiers

CVE-2020-8192

GHSA-XW5P-HW6R-2J98

Affected Products

Fastify

References · 5

• 🔥 https://hackerone.com/reports/903521 · Exploit
• https://osv.dev/vulnerability/GHSA-xw5p-hw6r-2j98 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2020-8192 · Security Note
• https://osv.dev/vulnerability/CVE-2020-8192 · Vendor Advisory
• https://github.com/fastify/fastify/commit/74c3157ca90c3ffed9e4434f63c2017471ec970e · Note