Bug 1966724 (CVE-2020-35452)

Summary:	CVE-2020-35452 httpd: Single zero byte stack overflow in mod_auth_digest
Product:	[Other] Security Response	Reporter:	Pedro Sampaio <psampaio>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED ERRATA	QA Contact:
Severity:	low	Docs Contact:
Priority:	low
Version:	unspecified	CC:	aboyko, anon.amish, asoldano, atangrin, bbaranow, bmaxwell, brian.stansberry, cdewolf, chazlett, csutherl, darran.lofthouse, dkreling, dosoudil, eleandro, fjuma, gzaronik, hhorak, iweiss, jclere, jiehuang, jkaluza, jochrist, jorton, jpallich, jperkins, jwon, kaycoth, krathod, kwills, lgao, lilhuang, luhliari, msochure, msvehla, mturk, nwallace, pahan, pjindal, pmackay, rguimara, rstancel, rsvoboda, security-response-team, smaestri, szappis, tcrider, tom.jenkinson, yborgess
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:	httpd 2.4.47	Doc Type:	If docs needed, set a value
Doc Text:	A flaw was found in Apache httpd. The mod_auth_digest has a single zero byte stack overflow. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.	Story Points:	---
Clone Of:		Environment:
Last Closed:	2021-11-10 17:27:23 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:	1968276, 1968278, 1968280, 1968282
Bug Blocks:	1966744

Description Pedro Sampaio 2021-06-01 18:19:36 UTC

In Apache httpd before 2.4.48 mod_auth_digest has a single zero byte stack overflow.

References:

https://github.com/apache/httpd/commit/3b6431eb9c9dba603385f70a2131ab4a01bf0d3b

Comment 2 Ted Jongseok Won 2021-06-02 05:47:37 UTC

This vulnerability is out of security support scope for the following products:
 * Red Hat JBoss Enterprise Application Platform 6
 * Red Hat JBoss Enterprise Web Server 2

Please refer to https://access.redhat.com/support/policy/updates/jboss_notes for more details.

Comment 3 Huzaifa S. Sidhpurwala 2021-06-07 05:21:27 UTC

Created httpd tracking bugs for this issue:

Affects: fedora-all [bug 1968280]

Comment 5 Huzaifa S. Sidhpurwala 2021-06-16 04:31:35 UTC

Analysis:

This is a single byte stack overflow when using mod_auth_digest. As per upstream this may not be really exploitable.

Comment 10 errata-xmlrpc 2021-11-10 17:14:42 UTC

This issue has been addressed in the following products:

  Red Hat JBoss Core Services

Via RHSA-2021:4613 https://access.redhat.com/errata/RHSA-2021:4613

Comment 11 errata-xmlrpc 2021-11-10 17:18:35 UTC

This issue has been addressed in the following products:

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

Via RHSA-2021:4614 https://access.redhat.com/errata/RHSA-2021:4614

Comment 12 Product Security DevOps Team 2021-11-10 17:27:18 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-2020-35452

Comment 13 errata-xmlrpc 2022-05-10 14:17:27 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