Bug 2053666 (CVE-2022-0711)

Summary:	CVE-2022-0711 haproxy: Denial of service via set-cookie2 header
Product:	[Other] Security Response	Reporter:	Pedro Sampaio <psampaio>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED ERRATA	QA Contact:
Severity:	high	Docs Contact:
Priority:	high
Version:	unspecified	CC:	amcdermo, amctagga, aos-bugs, aos-network-edge-staff, bmontgom, bperkins, eparis, gspence, hhorak, jburrell, jeremy, jokerman, jorton, mmasters, nstielau, rohara, security-response-team, sponnaga, vkumar, vwalek
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:	haproxy 2.5.2	Doc Type:	If docs needed, set a value
Doc Text:	A flaw was found in the way HAProxy processed HTTP responses containing the "Set-Cookie2" header. This flaw could allow an attacker to send crafted HTTP response packets which lead to an infinite loop, eventually resulting in a denial of service condition. The highest threat from this vulnerability is availability.	Story Points:	---
Clone Of:		Environment:
Last Closed:	2022-03-29 10:01:11 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:	2055334, 2058740, 2058741, 2058742, 2058743, 2058744, 2058745, 2059431, 2059432, 2059433, 2059434, 2059435, 2059436, 2059437, 2059438, 2059440, 2059442, 2070448, 2070461
Bug Blocks:	2053667

Description Pedro Sampaio 2022-02-11 17:35:36 UTC

A flaw was found in haproxy. Anybody who can add a "set-cookie2 X=Y" header into the return path from their server/backend will kill haproxy in 2.2 (and onwards), resulting in a denial of service.

Comment 22 devthomp 2022-03-01 02:54:40 UTC

Created haproxy tracking bugs for this issue:

Affects: fedora-all [bug 2059440]

Comment 23 devthomp 2022-03-01 02:59:18 UTC

patch:
https://github.com/haproxy/haproxy/commit/bfb15ab34ead85f64cd6da0e9fb418c9cd14cee8

Comment 27 errata-xmlrpc 2022-03-29 07:01:27 UTC

This issue has been addressed in the following products:

  Red Hat OpenShift Container Platform 4.9

Via RHSA-2022:1021 https://access.redhat.com/errata/RHSA-2022:1021

Comment 28 Product Security DevOps Team 2022-03-29 10:01:08 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-2022-0711

Comment 29 errata-xmlrpc 2022-04-11 19:45:06 UTC

This issue has been addressed in the following products:

  Red Hat OpenShift Container Platform 4.8

Via RHSA-2022:1153 https://access.redhat.com/errata/RHSA-2022:1153

Comment 30 errata-xmlrpc 2022-04-20 12:17:22 UTC

This issue has been addressed in the following products:

  Red Hat OpenShift Container Platform 4.7

Via RHSA-2022:1336 https://access.redhat.com/errata/RHSA-2022:1336

Comment 31 errata-xmlrpc 2022-05-04 18:19:16 UTC

This issue has been addressed in the following products:

  Red Hat OpenShift Container Platform 4.6

Via RHSA-2022:1620 https://access.redhat.com/errata/RHSA-2022:1620