Bug 2015152 (CVE-2021-22963) - CVE-2021-22963 fastify-static: open redirect via an URL with double slash followed by a domain
Summary: CVE-2021-22963 fastify-static: open redirect via an URL with double slash fol...
Keywords:
Status: CLOSED ERRATA
Alias: CVE-2021-22963
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
URL:
Whiteboard:
Depends On: 2017723
Blocks: 2015158
TreeView+ depends on / blocked
 
Reported: 2021-10-18 14:09 UTC by Guilherme de Almeida Suckevicz
Modified: 2022-08-05 17:36 UTC (History)
5 users (show)

Fixed In Version:
Clone Of:
Environment:
Last Closed: 2022-03-03 19:32:10 UTC
Embargoed:

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Links
System ID Private Priority Status Summary Last Updated
Red Hat Product Errata RHSA-2022:0735 0 None None None 2022-03-03 06:57:59 UTC

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
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