Bug 1932362 (CVE-2021-26539)

Summary:	CVE-2021-26539 sanitize-html: improper handling of internationalized domain name (IDN) can lead to bypass hostname whitelist validation
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:	alegrand, anpicker, aos-bugs, bmontgom, eparis, erooth, jburrell, jhadvig, jokerman, jwendell, kakkoyun, kaycoth, kconner, lcosic, nstielau, pkrupa, rcernich, sponnaga, surbania, twalsh, vmugicag
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:	sanitize-html 2.3.1	Doc Type:	If docs needed, set a value
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2021-07-28 01:06:51 UTC	Type:	---
Regression:	---	Mount Type:	---
Documentation:	---	CRM:
Verified Versions:		Category:	---
oVirt Team:	---	RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---	Target Upstream Version:
Embargoed:
Bug Depends On:	1934324, 1934325, 1934613, 1934614, 1934615, 1934616, 1934618, 1934619, 1934620, 1934621, 1934622
Bug Blocks:	1927304

Description Guilherme de Almeida Suckevicz 2021-02-24 13:40:11 UTC

Apostrophe Technologies sanitize-html before 2.3.1 does not properly handle internationalized domain name (IDN) which could allow an attacker to bypass hostname whitelist validation set by the "allowedIframeHostnames" option.

Reference:
https://github.com/apostrophecms/sanitize-html/pull/458

Comment 4 errata-xmlrpc 2021-07-27 22:31:59 UTC

This issue has been addressed in the following products:

  Red Hat OpenShift Container Platform 4.8

Via RHSA-2021:2438 https://access.redhat.com/errata/RHSA-2021:2438

Comment 5 Product Security DevOps Team 2021-07-28 01:06:51 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-2021-26539

Comment 6 Product Security DevOps Team 2021-07-28 07:06:48 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-2021-26539

Comment 7 errata-xmlrpc 2021-10-18 17:28:17 UTC

This issue has been addressed in the following products:

  Red Hat OpenShift Container Platform 4.9

Via RHSA-2021:3759 https://access.redhat.com/errata/RHSA-2021:3759