Bug 1966732 (CVE-2021-26691) - CVE-2021-26691 httpd: mod_session: Heap overflow via a crafted SessionHeader value
Summary: CVE-2021-26691 httpd: mod_session: Heap overflow via a crafted SessionHeader ...
Keywords:
Status: CLOSED ERRATA
Alias: CVE-2021-26691
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
URL:
Whiteboard:
Depends On: 1969226 1969227 1969228 1969229 1969233 2007646 2011313 2014063
Blocks: 1966744
TreeView+ depends on / blocked
 
Reported: 2021-06-01 18:37 UTC by Pedro Sampaio
Modified: 2023-03-27 10:56 UTC (History)
50 users (show)

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.
Clone Of:
Environment:
Last Closed: 2021-10-12 20:08:18 UTC
Embargoed:

Attachments (Terms of Use)


Links
System ID Private Priority Status Summary Last Updated
Red Hat Product Errata RHBA-2021:3920 0 None None None 2021-10-19 15:51:55 UTC
Red Hat Product Errata RHBA-2022:0170 0 None None None 2022-01-18 19:09:46 UTC
Red Hat Product Errata RHBA-2022:0337 0 None None None 2022-02-01 12:01:47 UTC
Red Hat Product Errata RHSA-2021:3816 0 None None None 2021-10-12 16:17:06 UTC
Red Hat Product Errata RHSA-2021:4613 0 None None None 2021-11-10 17:15:01 UTC
Red Hat Product Errata RHSA-2021:4614 0 None None None 2021-11-10 17:18:53 UTC
Red Hat Product Errata RHSA-2022:0143 0 None None None 2022-01-17 09:01:06 UTC

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
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