Bug 2015152 (CVE-2021-22963)

Summary:	CVE-2021-22963 fastify-static: open redirect via an URL with double slash followed by a domain
Product:	[Other] Security Response	Reporter:	Guilherme de Almeida Suckevicz <gsuckevi>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED ERRATA	QA Contact:
Severity:	medium	Docs Contact:
Priority:	medium
Version:	unspecified	CC:	gghezzo, gparvin, jramanat, pahickey, stcannon
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:		Doc Type:	If docs needed, set a value
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Clone Of:		Environment:
Last Closed:	2022-03-03 19:32:10 UTC	Type:	---
Regression:	---	Mount Type:	---
Documentation:	---	CRM:
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oVirt Team:	---	RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---	Target Upstream Version:
Embargoed:
Bug Depends On:	2017723
Bug Blocks:	2015158

Description Guilherme de Almeida Suckevicz 2021-10-18 14:09:58 UTC

A redirect vulnerability in the fastify-static module version < 4.2.4 allows remote attackers to redirect users to arbitrary websites via a double slash // followed by a domain: http://localhost:3000//google.com/%2e%2e.The issue shows up on all the fastify-static applications that set redirect: true option. By default, it is false.

Reference:
https://hackerone.com/reports/1354255

Comment 2 errata-xmlrpc 2022-03-03 06:57:58 UTC

This issue has been addressed in the following products:

  Red Hat Advanced Cluster Management for Kubernetes 2.4 for RHEL 8

Via RHSA-2022:0735 https://access.redhat.com/errata/RHSA-2022:0735

Comment 3 Product Security DevOps Team 2022-03-03 19:32:08 UTC

This bug is now closed. Further updates for individual products will be reflected on the CVE page(s):

https://access.redhat.com/security/cve/cve-2021-22963