Bug 1966743 (CVE-2021-30641) - CVE-2021-30641 httpd: Unexpected URL matching with 'MergeSlashes OFF'
Summary: CVE-2021-30641 httpd: Unexpected URL matching with 'MergeSlashes OFF'
Keywords:
Status: CLOSED ERRATA
Alias: CVE-2021-30641
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: 1969241 1972498 1972499 1972500
Blocks: 1966744
TreeView+ depends on / blocked
 
Reported: 2021-06-01 19:04 UTC by Pedro Sampaio
Modified: 2024-10-01 18:25 UTC (History)
53 users (show)

Fixed In Version: httpd 2.4.47
Doc Type: If docs needed, set a value
Doc Text:
A flaw was found in Apache httpd. A possible regression from an earlier security fix broke behavior of MergeSlashes. The highest threat from this vulnerability is to data integrity.
Clone Of:
Environment:
Last Closed: 2021-11-10 17:28:57 UTC
Embargoed:

Attachments (Terms of Use)


Links
System ID Private Priority Status Summary Last Updated
Red Hat Product Errata RHSA-2021:4257 0 None None None 2021-11-09 17:57:43 UTC
Red Hat Product Errata RHSA-2021:4613 0 None None None 2021-11-10 17:15:50 UTC
Red Hat Product Errata RHSA-2021:4614 0 None None None 2021-11-10 17:19:16 UTC

Description Pedro Sampaio 2021-06-01 19:04:08 UTC 
Possible regression from security fix broke behavior of MergeSlashes.

References:

https://bz.apache.org/bugzilla/show_bug.cgi?id=65238
https://github.com/apache/httpd/commit/eb986059aa5aa0b6c1d52714ea83e3dd758afdd1
Comment 2 Ted Jongseok Won 2021-06-02 05:48:08 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 2021-06-08 04:01:57 UTC 
Created httpd tracking bugs for this issue:

Affects: fedora-all [bug 1969241]
Comment 12 errata-xmlrpc 2021-11-09 17:57:39 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8

Via RHSA-2021:4257 https://access.redhat.com/errata/RHSA-2021:4257
Comment 13 errata-xmlrpc 2021-11-10 17:15:48 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 14 errata-xmlrpc 2021-11-10 17:19:14 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 15 Product Security DevOps Team 2021-11-10 17:28:53 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-2021-30641
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