Bug 1966728 (CVE-2021-33193)

Summary:	CVE-2021-33193 httpd: Request splitting via HTTP/2 method injection and mod_proxy
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:	aboyko, anon.amish, asoldano, atangrin, bbaranow, bmaxwell, bnater, brian.stansberry, caswilli, cdewolf, chazlett, csutherl, darran.lofthouse, dkreling, dosoudil, eleandro, fjansen, fjuma, gzaronik, hhorak, huzaifas, iaulakh, iweiss, jclere, jkaluza, jochrist, jorton, jpallich, jperkins, jwon, kaycoth, krathod, kwills, lgao, luhliari, msochure, msvehla, mturk, nathan, nwallace, pahan, pjindal, pmackay, rguimara, rstancel, rsvoboda, security-response-team, smaestri, szappis, tom.jenkinson, yborgess, yozone
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:	httpd 2.4.49	Doc Type:	If docs needed, set a value
Doc Text:	A NULL pointer dereference was found in Apache httpd mod_h2. The highest threat from this flaw is to system integrity.	Story Points:	---
Clone Of:		Environment:
Last Closed:	2022-05-11 23:45:22 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:	1972491, 1972492, 1996513, 1996514
Bug Blocks:	1966744

Description Pedro Sampaio 2021-06-01 18:28:05 UTC

Request splitting via HTTP/2 method injection and mod_proxy in Apache httpd before 2.4.47.

Upstream patch:

https://github.com/apache/httpd/commit/ecebcc035ccd8d0e2984fe41420d9e944f456b3c.patch

Comment 7 Huzaifa S. Sidhpurwala 2021-08-23 04:24:55 UTC

Created httpd tracking bugs for this issue:

Affects: fedora-all [bug 1996514]

Comment 15 Iqbal Singh Aulakh 2022-03-02 01:55:54 UTC

When the fix will be available for this vulnerability on RHEL8?

Comment 16 errata-xmlrpc 2022-05-10 14:17:29 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8

Via RHSA-2022:1915 https://access.redhat.com/errata/RHSA-2022:1915

Comment 17 Product Security DevOps Team 2022-05-11 23:45:17 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-2021-33193

Comment 18 errata-xmlrpc 2022-09-29 13:32:09 UTC

This issue has been addressed in the following products:

  Red Hat Software Collections for Red Hat Enterprise Linux 7

Via RHSA-2022:6753 https://access.redhat.com/errata/RHSA-2022:6753

Comment 19 errata-xmlrpc 2022-10-26 20:07:14 UTC

This issue has been addressed in the following products:

  Red Hat JBoss Core Services

Via RHSA-2022:7144 https://access.redhat.com/errata/RHSA-2022:7144

Comment 20 errata-xmlrpc 2022-10-26 20:19:24 UTC

This issue has been addressed in the following products:

  JBoss Core Services on RHEL 7
  JBoss Core Services for RHEL 8

Via RHSA-2022:7143 https://access.redhat.com/errata/RHSA-2022:7143