Bug 2182155 (CVE-2023-27496)

Summary:	CVE-2023-27496 envoy: Crash when a redirect url without a state param is received in the oauth filter
Product:	[Other] Security Response	Reporter:	Anten Skrabec <askrabec>
Component:	vulnerability	Assignee:	Nobody <nobody>
Status:	CLOSED ERRATA	QA Contact:
Severity:	medium	Docs Contact:
Priority:	medium
Version:	unspecified	CC:	jwendell, rcernich, twalsh
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:		Doc Type:	---
Doc Text:	A flaw was found in Envoy. If Envoy is running with the OAuth filter enabled, a malicious actor could construct a request which would cause denial of service, crashing Envoy.	Story Points:	---
Clone Of:		Environment:
Last Closed:	2023-08-11 21:13:31 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:	2178208

Description Anten Skrabec 2023-03-27 17:33:34 UTC

If Envoy is running with the OAuth filter enabled exposed, a malicious
actor could construct a request which would cause denial of service by
crashing Envoy.

Comment 3 Pedro Sampaio 2023-04-05 12:08:50 UTC

Public:

https://github.com/envoyproxy/envoy/security/advisories/GHSA-j79q-2g66-2xv5

Comment 5 errata-xmlrpc 2023-08-11 16:48:12 UTC

This issue has been addressed in the following products:

  Red Hat OpenShift Service Mesh 2.2 for RHEL 8

Via RHSA-2023:4623 https://access.redhat.com/errata/RHSA-2023:4623

Comment 6 Product Security DevOps Team 2023-08-11 21:13:30 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-2023-27496