Bug 2050748 (CVE-2021-43826)

Summary:	CVE-2021-43826 envoy: Use-after-free when tunneling TCP over HTTP
Product:	[Other] Security Response	Reporter:	Pedro Sampaio <psampaio>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED ERRATA	QA Contact:
Severity:	medium	Docs Contact:
Priority:	medium
Version:	unspecified	CC:	jwendell, ovanders, rcernich, security-response-team, sfowler, twalsh
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:	envoy 1.18.6, envoy 1.19.3, envoy 1.20.2, envoy 1.21.1	Doc Type:	If docs needed, set a value
Doc Text:	A flaw was found in envoy. If a downstream source disconnects during upstream connection establishment when tunneling TCP over HTTP, a use-after-free can occur, resulting in a denial of service.	Story Points:	---
Clone Of:		Environment:
Last Closed:	2022-04-07 20:29:17 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:	2050760

Description Pedro Sampaio 2022-02-04 15:06:54 UTC

Use-after-free when tunneling TCP over HTTP, if downstream disconnects during upstream connection establishment.

Comment 2 errata-xmlrpc 2022-04-07 17:59:15 UTC

This issue has been addressed in the following products:

  OpenShift Service Mesh 2.0

Via RHSA-2022:1276 https://access.redhat.com/errata/RHSA-2022:1276

Comment 3 errata-xmlrpc 2022-04-07 18:03:46 UTC

This issue has been addressed in the following products:

  OpenShift Service Mesh 2.1

Via RHSA-2022:1275 https://access.redhat.com/errata/RHSA-2022:1275

Comment 4 Product Security DevOps Team 2022-04-07 20:29:15 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-2021-43826