PT-2020-19972 · Fastify · Fastify-Multipart

Published 2020-03-20 · Updated 2022-02-18 · CVE-2020-8136

Positive Technologies (AI Summary)

CVSS v3.1

7.5

High

Base vector

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

Name of the Vulnerable Software and Affected Versions fastify-multipart versions prior to 1.0.5

Description The issue allows an attacker to crash fastify applications that parse multipart requests by sending a specially crafted request, exploiting a prototype pollution vulnerability in the fastify-multipart module.

Recommendations For fastify-multipart versions prior to 1.0.5, update to version 1.0.5 or later to resolve the issue. As a temporary workaround, consider restricting the handling of multipart requests until the update is applied.

Exploit

Fix

Resource Exhaustion

Weakness Enumeration

CWE-400

Related Identifiers

CVE-2020-8136

GHSA-P9F8-GQJF-M75J

Affected Products

Fastify-Multipart

References · 6

• 🔥 https://hackerone.com/reports/804772 · Exploit
• https://osv.dev/vulnerability/GHSA-p9f8-gqjf-m75j · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2020-8136 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2020-8136 · Security Note
• https://t.me/cibsecurity/37339 · Telegram Post
• https://t.me/cvenotify/26976 · Telegram Post