Bug 1966732 (CVE-2021-26691)

Summary: CVE-2021-26691 httpd: mod_session: Heap overflow via a crafted SessionHeader value
Product: [Other] Security Response Reporter: Pedro Sampaio <psampaio>
Component: vulnerabilityAssignee: Red Hat Product Security <security-response-team>
Status: CLOSED ERRATA QA Contact:
Severity: medium Docs Contact:
Priority: medium    
Version: unspecifiedCC: aboyko, anon.amish, asoldano, atangrin, bbaranow, bmaxwell, brian.stansberry, caswilli, cdewolf, chazlett, csutherl, darran.lofthouse, dkreling, dosoudil, eleandro, fjuma, gzaronik, hhorak, huzaifas, iweiss, jclere, jiehuang, jkaluza, jochrist, jorton, jpallich, jperkins, jwon, kaycoth, krathod, kwills, lgao, luhliari, msochure, msvehla, mturk, nwallace, pahan, pjindal, pmackay, rguimara, rstancel, rsvoboda, security-response-team, smaestri, szappis, tcrider, tom.jenkinson, yborgess, yozone
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 heap overflow flaw was found In Apache httpd mod_session. The highest threat from this vulnerability is to system availability.
Story Points: ---
Clone Of: Environment:
Last Closed: 2021-10-12 20:08:18 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: 1969226, 1969227, 1969228, 1969229, 1969233, 2007646, 2011313, 2014063    
Bug Blocks: 1966744    

Description Pedro Sampaio 2021-06-01 18:37:41 UTC
In Apache httpd before 2.4.48 mod_session has a heap overflow.

References:

https://github.com/apache/httpd/commit/7e09dd714fc62c08c5b0319ed7b9702594faf49b

Comment 3 Ted Jongseok Won 2021-06-02 05:47:51 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 4 Huzaifa S. Sidhpurwala 2021-06-08 03:13:02 UTC
Created httpd tracking bugs for this issue:

Affects: fedora-all [bug 1969233]

Comment 15 errata-xmlrpc 2021-10-12 16:17:03 UTC
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8

Via RHSA-2021:3816 https://access.redhat.com/errata/RHSA-2021:3816

Comment 16 Product Security DevOps Team 2021-10-12 20:08:18 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-2021-26691

Comment 20 errata-xmlrpc 2021-11-10 17:14:59 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 21 errata-xmlrpc 2021-11-10 17:18:50 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 22 errata-xmlrpc 2022-01-17 09:01:03 UTC
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 7

Via RHSA-2022:0143 https://access.redhat.com/errata/RHSA-2022:0143