Bug 1905784 (CVE-2020-27832)

Summary:	CVE-2020-27832 quay: persistent XSS in repository notification display
Product:	[Other] Security Response	Reporter:	Jason Shepherd <jshepherd>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED ERRATA	QA Contact:
Severity:	medium	Docs Contact:
Priority:	medium
Version:	unspecified	CC:	bdettelb, kmullins, security-response-team, tomckay
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
See Also:	https://issues.redhat.com/browse/PROJQUAY-1344 https://issues.redhat.com/browse/PROJQUAY-1377
Whiteboard:
Fixed In Version:	quay 3.3.2	Doc Type:	If docs needed, set a value
Doc Text:	A flaw was found in Red Hat Quay, where it has a persistent Cross-site Scripting (XSS) vulnerability when displaying a repository's notification. This flaw allows an attacker to trick a user into performing a malicious action to impersonate the target user. The highest threat from this vulnerability is to confidentiality, integrity, as well as system availability.	Story Points:	---
Clone Of:		Environment:
Last Closed:	2021-01-11 12:27:51 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:
Bug Blocks:	1902795, 1939572

Description Jason Shepherd 2020-12-09 04:17:04 UTC

Red Hat Quay has a persistent XSS vulnerability when displaying a repositories email notification. An attacker who can trick a user into performing a malicious action can use this flaw to impersonate the target user.

Comment 3 Jason Shepherd 2020-12-10 00:39:04 UTC

Upstream commit:

https://github.com/quay/quay/pull/613

Comment 4 Jason Shepherd 2020-12-10 01:21:43 UTC

Acknowledgments:

Name: Chen Cohen (eBay)

Comment 5 lnacshon 2020-12-10 11:51:06 UTC

Issue already tracked here https://issues.redhat.com/browse/PROJQUAY-1344.
Our recommendation is to add input validation and sanitization to all user inputs in the service.

Comment 7 errata-xmlrpc 2021-01-11 07:33:30 UTC

This issue has been addressed in the following products:

  Red Hat Quay 3

Via RHSA-2021:0050 https://access.redhat.com/errata/RHSA-2021:0050

Comment 8 Product Security DevOps Team 2021-01-11 12:27:51 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-2020-27832